{"id":54319,"date":"2026-02-01T12:59:36","date_gmt":"2026-02-01T18:59:36","guid":{"rendered":"https:\/\/heartbeat.ai\/healthcare\/physician-database-api\/"},"modified":"2026-02-27T13:34:46","modified_gmt":"2026-02-27T19:34:46","slug":"physician-database-api","status":"publish","type":"post","link":"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/","title":{"rendered":"Physician Database API: Always-Fresh Contact Data for Recruiting Ops"},"content":{"rendered":"<p><img decoding=\"async\" loading=\"false\" class=\"aligncenter\" src=\"http:\/\/hc.heartbeat.ai\/wp-content\/webp-express\/webp-images\/uploads\/2026\/02\/physician-database-api-cb2d2035.png.webp\" alt=\"54318\" \/><\/p>\n<h1>Physician database API: an ops playbook for always-fresh recruiting outreach<\/h1>\n<p><strong>Ben Argeband, Founder &amp; CEO of Heartbeat.ai<\/strong> \u2014 Ops-friendly: clear \u201cwhat to pass in,\u201d table, steps.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\r\n<div class=\"ez-toc-title-container\">\r\n<p class=\"ez-toc-title\" >What&rsquo;s on this page:<\/p>\r\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\r\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Who_this_is_for\" title=\"Who this is for\">Who this is for<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Quick_Answer\" title=\"Quick Answer\">Quick Answer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Framework_The_%E2%80%9CAlways_Fresh%E2%80%9D_Workflow_Sync_%E2%86%92_Validate_%E2%86%92_Rank_%E2%86%92_Outreach_%E2%86%92_Refresh\" title=\"Framework: The \u201cAlways Fresh\u201d Workflow: Sync \u2192 Validate \u2192 Rank \u2192 Outreach \u2192 Refresh\">Framework: The \u201cAlways Fresh\u201d Workflow: Sync \u2192 Validate \u2192 Rank \u2192 Outreach \u2192 Refresh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Step-by-step_method\" title=\"Step-by-step method\">Step-by-step method<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Step_1_Lock_your_identity_key_strategy_start_with_NPIlicense_not_phoneemail\" title=\"Step 1: Lock your identity key strategy (start with NPI\/license, not phone\/email)\">Step 1: Lock your identity key strategy (start with NPI\/license, not phone\/email)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Step_2_Define_the_minimum_API_contract_inputs_outputs_and_what_ops_must_store\" title=\"Step 2: Define the minimum API contract (inputs, outputs, and what ops must store)\">Step 2: Define the minimum API contract (inputs, outputs, and what ops must store)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Minimum_fields_to_pass_and_persist\" title=\"Minimum fields to pass and persist\">Minimum fields to pass and persist<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Step_3_Define_quality_terms_once_so_ops_and_engineering_measure_the_same_thing\" title=\"Step 3: Define quality terms once (so ops and engineering measure the same thing)\">Step 3: Define quality terms once (so ops and engineering measure the same thing)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Step_4_Put_validation_suppression_in_the_pipeline_not_in_recruiter_behavior\" title=\"Step 4: Put validation + suppression in the pipeline (not in recruiter behavior)\">Step 4: Put validation + suppression in the pipeline (not in recruiter behavior)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Step_5_Rank_contacts_for_workflow_fit_connectability_beats_%E2%80%9Cmore_fields%E2%80%9D\" title=\"Step 5: Rank contacts for workflow fit (connectability beats \u201cmore fields\u201d)\">Step 5: Rank contacts for workflow fit (connectability beats \u201cmore fields\u201d)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Step_6_Choose_API_vs_CSV_upload_based_on_how_you_operate_COMPARISON_TABLE\" title=\"Step 6: Choose API vs CSV upload based on how you operate (COMPARISON_TABLE)\">Step 6: Choose API vs CSV upload based on how you operate (COMPARISON_TABLE)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Step_7_Implement_failure_handling_required\" title=\"Step 7: Implement failure handling (required)\">Step 7: Implement failure handling (required)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#How_to_evaluate_a_physician_database_API_ops_questions\" title=\"How to evaluate a physician database API (ops questions)\">How to evaluate a physician database API (ops questions)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Use_cases_ops_teams_actually_run\" title=\"Use cases ops teams actually run\">Use cases ops teams actually run<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Diagnostic_Table\" title=\"Diagnostic Table:\">Diagnostic Table:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Weighted_Checklist\" title=\"Weighted Checklist:\">Weighted Checklist:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Outreach_Templates\" title=\"Outreach Templates:\">Outreach Templates:<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Template_1_First_text_to_a_physician_mobile_after-hours\" title=\"Template 1: First text to a physician mobile (after-hours)\">Template 1: First text to a physician mobile (after-hours)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Template_2_First_email_when_verification_is_strong\" title=\"Template 2: First email when verification is strong\">Template 2: First email when verification is strong<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Template_3_Gatekeeper-friendly_office_call_opener_clinic_hours\" title=\"Template 3: Gatekeeper-friendly office call opener (clinic hours)\">Template 3: Gatekeeper-friendly office call opener (clinic hours)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Common_pitfalls\" title=\"Common pitfalls\">Common pitfalls<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#How_to_improve_results\" title=\"How to improve results\">How to improve results<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Outreach_metrics_canonical_definitions\" title=\"Outreach metrics (canonical definitions)\">Outreach metrics (canonical definitions)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Measurement_instructions_required\" title=\"Measurement instructions (required)\">Measurement instructions (required)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Operational_%E2%80%9Ctime_math%E2%80%9D_you_can_run_with_your_own_data\" title=\"Operational \u201ctime math\u201d you can run with your own data\">Operational \u201ctime math\u201d you can run with your own data<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Refresh_strategy_that_doesnt_break_reporting\" title=\"Refresh strategy that doesn\u2019t break reporting\">Refresh strategy that doesn\u2019t break reporting<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Legal_and_ethical_use\" title=\"Legal and ethical use\">Legal and ethical use<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Evidence_and_trust_notes\" title=\"Evidence and trust notes\">Evidence and trust notes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#FAQs\" title=\"FAQs\">FAQs<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#What_should_I_pass_into_a_physician_database_API\" title=\"What should I pass into a physician database API?\">What should I pass into a physician database API?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#What_should_the_API_return_besides_phone_and_email\" title=\"What should the API return besides phone and email?\">What should the API return besides phone and email?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#How_often_should_we_refresh_physician_contact_data\" title=\"How often should we refresh physician contact data?\">How often should we refresh physician contact data?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Is_an_API_better_than_uploading_a_CSV\" title=\"Is an API better than uploading a CSV?\">Is an API better than uploading a CSV?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#How_do_we_know_if_ranking_is_working\" title=\"How do we know if ranking is working?\">How do we know if ranking is working?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#Next_steps\" title=\"Next steps\">Next steps<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/#About_the_Author\" title=\"About the Author\">About the Author<\/a><\/li><\/ul><\/nav><\/div>\r\n<h2><span class=\"ez-toc-section\" id=\"Who_this_is_for\"><\/span>Who this is for<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>This is for recruiting ops teams building programmatic enrichment and refresh for physician outreach\u2014so recruiters spend time on conversations, not chasing bad numbers and bounced emails.<\/p>\n<ul>\n<li><strong>Primary audience:<\/strong> Recruiting ops teams that want enrichment\/refresh programmatically.<\/li>\n<li><strong>Systems in scope:<\/strong> ATS\/CRM, dialer, email platform, sequencing tool, data warehouse.<\/li>\n<li><strong>What you\u2019ll implement:<\/strong> stable identity keys (NPI\/license), validation + suppression, ranked contacts, refresh triggers tied to outreach outcomes.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Quick_Answer\"><\/span>Quick Answer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<dl>\n<dt>Core Answer<\/dt>\n<dd>Use a physician database API keyed by NPI\/license to validate, rank, and refresh phone\/email continuously so outreach stays connectable and reporting stays consistent.<\/dd>\n<dt>Key Statistic<\/dt>\n<dd><strong>Heartbeat observed typicals:<\/strong> mobile accuracy 82% (first mobile); email accuracy 95%. Output guidance: include confidence + refresh date per field.<\/dd>\n<dt>Best For<\/dt>\n<dd>Recruiting ops teams that want enrichment\/refresh programmatically.<\/dd>\n<\/dl>\n<blockquote>\n<p><strong>Compliance &amp; Safety<\/strong><\/p>\n<p>This method is for legitimate recruiting outreach only. Always respect candidate privacy, opt-out requests, and local data laws. Heartbeat does not provide medical advice or legal counsel.<\/p>\n<\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Framework_The_%E2%80%9CAlways_Fresh%E2%80%9D_Workflow_Sync_%E2%86%92_Validate_%E2%86%92_Rank_%E2%86%92_Outreach_%E2%86%92_Refresh\"><\/span>Framework: The \u201cAlways Fresh\u201d Workflow: Sync \u2192 Validate \u2192 Rank \u2192 Outreach \u2192 Refresh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Physician identity is relatively stable; contact points are not. Your pipeline should treat <strong>NPI<\/strong> and <strong>license matching<\/strong> as the spine, and treat phone\/email as attributes that must be validated, ranked, and refreshed.<\/p>\n<ol>\n<li><strong>Sync:<\/strong> send stable identifiers (NPI, license, specialty, state) from your systems to the API.<\/li>\n<li><strong>Validate:<\/strong> run <strong>phone validation<\/strong> and <strong>email verification<\/strong>; normalize; suppress opt-outs and known bad contacts.<\/li>\n<li><strong>Rank:<\/strong> return best next contact options first, with confidence and recency metadata.<\/li>\n<li><strong>Outreach:<\/strong> route contacts into dialer\/sequences with time-of-day and channel rules.<\/li>\n<li><strong>Refresh:<\/strong> re-check on schedule and on events (bounce, wrong-party, repeated no-answer) so decay doesn\u2019t compound.<\/li>\n<\/ol>\n<p><strong>Registry vs enrichment:<\/strong> NPPES is a baseline for provider identity (NPI) (see <a href=\"https:\/\/nppes.cms.hhs.gov\/\">NPPES<\/a>). It is not designed to keep recruiting-grade phone\/email current. That\u2019s why ops teams separate identity matching from contact enrichment and refresh.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Step-by-step_method\"><\/span>Step-by-step method<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Step_1_Lock_your_identity_key_strategy_start_with_NPIlicense_not_phoneemail\"><\/span>Step 1: Lock your identity key strategy (start with NPI\/license, not phone\/email)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Data pipelines need stable keys. For US physicians, <strong>NPI<\/strong> is the default identity key. When NPI is missing or you\u2019re reconciling state records, use <strong>license matching<\/strong> (license number + state) as a secondary identity path.<\/p>\n<ul>\n<li><strong>Primary key (recommended):<\/strong> NPI<\/li>\n<li><strong>Secondary identity path:<\/strong> license number + license state<\/li>\n<li><strong>Helpful disambiguators:<\/strong> name, specialty, practice\/organization, city\/state<\/li>\n<\/ul>\n<p>Design your internal record so NPI\/license is the join key across systems. Phone\/email should be versioned and refreshable without changing the identity record.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_2_Define_the_minimum_API_contract_inputs_outputs_and_what_ops_must_store\"><\/span>Step 2: Define the minimum API contract (inputs, outputs, and what ops must store)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If you want a recruiting-grade <strong>physician database API<\/strong>, don\u2019t just store \u201ca phone number.\u201d Store the metadata that lets you route outreach, audit quality, and debug failures.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Minimum_fields_to_pass_and_persist\"><\/span>Minimum fields to pass and persist<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"table-scroll\" style=\"overflow:auto;-webkit-overflow-scrolling:touch;width:100%\">\n<table class=\"separated-content\">\n<thead>\n<tr>\n<th>Category<\/th>\n<th>Field<\/th>\n<th>Why ops cares<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Identity input<\/td>\n<td><strong>npi<\/strong><\/td>\n<td>Stable join key; prevents duplicates across ATS\/CRM\/dialer<\/td>\n<\/tr>\n<tr>\n<td>Identity input<\/td>\n<td><strong>license_number<\/strong>, <strong>license_state<\/strong><\/td>\n<td>Fallback identity path; supports reconciliation when NPI is absent<\/td>\n<\/tr>\n<tr>\n<td>Match output<\/td>\n<td><strong>match_status<\/strong> (matched\/ambiguous\/no_match)<\/td>\n<td>Controls whether you enrich, queue for review, or stop<\/td>\n<\/tr>\n<tr>\n<td>Match output<\/td>\n<td><strong>match_confidence<\/strong><\/td>\n<td>Routing and QA; helps ops tune thresholds and reduce wrong-party outreach<\/td>\n<\/tr>\n<tr>\n<td>Phone output<\/td>\n<td><strong>phone_e164<\/strong>, <strong>phone_type<\/strong> (mobile\/office\/other)<\/td>\n<td>Dialer routing; time-of-day strategy; reduces gatekeeper friction<\/td>\n<\/tr>\n<tr>\n<td>Phone output<\/td>\n<td><strong>phone_validation_status<\/strong>, <strong>phone_validated_at<\/strong><\/td>\n<td>Prevents wasted dials; supports refresh triggers<\/td>\n<\/tr>\n<tr>\n<td>Email output<\/td>\n<td><strong>email<\/strong>, <strong>email_verification_status<\/strong>, <strong>email_verified_at<\/strong><\/td>\n<td>Protects sender reputation; reduces bounces; supports refresh triggers<\/td>\n<\/tr>\n<tr>\n<td>Governance<\/td>\n<td><strong>suppression_flag<\/strong>, <strong>suppression_reason<\/strong><\/td>\n<td>Ensures opt-outs and wrong-party reports are honored across tools<\/td>\n<\/tr>\n<tr>\n<td>Freshness<\/td>\n<td><strong>refreshed_at<\/strong> (per field)<\/td>\n<td>Lets ops decide when to refresh and which contact to try next<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><strong>Implementation note:<\/strong> store phone and email as separate records (or separate history rows) keyed to the physician identity (NPI\/license) with their own <em>refreshed_at<\/em>. That prevents \u201cone stale field\u201d from forcing a full record overwrite.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_3_Define_quality_terms_once_so_ops_and_engineering_measure_the_same_thing\"><\/span>Step 3: Define quality terms once (so ops and engineering measure the same thing)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>These definitions keep your dashboards honest and your refresh logic consistent.<\/p>\n<ul>\n<li><strong>Mobile accuracy definition:<\/strong> percent of returned \u201cmobile\u201d numbers that reach the intended physician when dialed (denominator: per 100 returned mobile numbers dialed).<\/li>\n<li><strong>Email accuracy definition:<\/strong> percent of returned emails that belong to the intended physician (denominator: per 100 returned emails used in outreach where identity is confirmed via reply\/candidate confirmation).<\/li>\n<li><strong>Confidence definition:<\/strong> a numeric or categorical score indicating likelihood the contact is correct for the matched physician identity, based on available signals.<\/li>\n<li><strong>Recency definition:<\/strong> the date the contact field was last refreshed\/observed; use it to decide when to re-check.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Step_4_Put_validation_suppression_in_the_pipeline_not_in_recruiter_behavior\"><\/span>Step 4: Put validation + suppression in the pipeline (not in recruiter behavior)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Recruiters shouldn\u2019t be the ones discovering bad data. Build guardrails into the workflow:<\/p>\n<ul>\n<li><strong>Phone validation:<\/strong> normalize to E.164, tag validation status, and store <em>phone_validated_at<\/em>.<\/li>\n<li><strong>Email verification:<\/strong> store <em>email_verification_status<\/em> (e.g., verified\/risky\/unknown (use your platform\u2019s taxonomy)) and <em>email_verified_at<\/em> so you can segment outcomes.<\/li>\n<li><strong>Suppression:<\/strong> centralize opt-outs and wrong-party reports; apply suppression before any outreach.<\/li>\n<\/ul>\n<p>The trade-off is\u2026 stricter suppression and verification can reduce your \u201cavailable contacts\u201d count, but it usually increases real connects and protects deliverability.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_5_Rank_contacts_for_workflow_fit_connectability_beats_%E2%80%9Cmore_fields%E2%80%9D\"><\/span>Step 5: Rank contacts for workflow fit (connectability beats \u201cmore fields\u201d)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ranking is where ops teams win time back. Instead of returning a flat list, return the best next action for outreach. For Heartbeat.ai, this includes <strong>ranked mobile numbers by answer probability<\/strong> so dialers start with the most likely pickup path.<\/p>\n<ul>\n<li><strong>Route by time-of-day:<\/strong> mobile-first after hours; office-first during clinic hours if you expect gatekeepers.<\/li>\n<li><strong>Route by confidence + recency:<\/strong> newer and higher-confidence contacts go earlier in the sequence.<\/li>\n<li><strong>Fallback logic:<\/strong> if a contact fails (wrong-party, bounce), suppress it and pull the next ranked option.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Step_6_Choose_API_vs_CSV_upload_based_on_how_you_operate_COMPARISON_TABLE\"><\/span>Step 6: Choose API vs CSV upload based on how you operate (COMPARISON_TABLE)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Both workflows can work. The difference is whether you need continuous refresh, automated suppression, and structured failure handling.<\/p>\n<div class=\"table-scroll\" style=\"overflow:auto;-webkit-overflow-scrolling:touch;width:100%\">\n<table class=\"separated-content\">\n<thead>\n<tr>\n<th>Decision factor<\/th>\n<th>Physician database API<\/th>\n<th>CSV upload workflow<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Best when<\/td>\n<td>You need programmatic enrichment\/refresh inside ATS\/CRM and sequences<\/td>\n<td>You need a one-time enrichment for a campaign or backfill<\/td>\n<\/tr>\n<tr>\n<td>Stable keys<\/td>\n<td>Designed around NPI\/license matching; easier to keep identity consistent<\/td>\n<td>Depends on file hygiene; mismatches create duplicates fast<\/td>\n<\/tr>\n<tr>\n<td>Refresh cadence<\/td>\n<td>Automated: schedule-based + event-based (bounce\/no-answer)<\/td>\n<td>Manual: re-upload when someone notices decay<\/td>\n<\/tr>\n<tr>\n<td>Failure handling<\/td>\n<td>Structured outcomes: matched\/ambiguous\/no-match; logging and retries<\/td>\n<td>Spreadsheet triage; fixes rarely propagate to all systems<\/td>\n<\/tr>\n<tr>\n<td>Ops visibility<\/td>\n<td>Field-level recency + confidence stored per record<\/td>\n<td>Often missing refresh dates; hard to audit what\u2019s current<\/td>\n<\/tr>\n<tr>\n<td>Time-to-value<\/td>\n<td>Higher setup, lower ongoing effort<\/td>\n<td>Lower setup, higher ongoing effort<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>If you\u2019re deciding between workflows inside Heartbeat.ai, you can start with the <a href=\"https:\/\/heartbeat.ai\/upload-file\">CSV upload workflow<\/a> for a quick pilot, then move to the <a href=\"https:\/\/heartbeat.ai\/api\">API integration<\/a> when you want always-on refresh and automated suppression.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Step_7_Implement_failure_handling_required\"><\/span>Step 7: Implement failure handling (required)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Failure handling is what keeps recruiters from wasting cycles and what keeps your metrics honest. Build these behaviors into your integration:<\/p>\n<ul>\n<li><strong>Hard failures:<\/strong> invalid NPI\/license, no match, or ambiguous match \u2192 return a structured error and route to a \u201cneeds review\u201d queue.<\/li>\n<li><strong>Soft failures:<\/strong> contact exists but low confidence or old recency \u2192 return it, but flag it so outreach uses a safer channel first.<\/li>\n<li><strong>Outreach feedback loop:<\/strong> dispositions like \u201cwrong number,\u201d \u201cleft practice,\u201d \u201cemail bounced,\u201d \u201copt-out\u201d should write back to suppression and trigger refresh.<\/li>\n<li><strong>Idempotency:<\/strong> same input should not create duplicate provider records; key on NPI\/license and use an idempotency key for writes.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"How_to_evaluate_a_physician_database_API_ops_questions\"><\/span>How to evaluate a physician database API (ops questions)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Identity:<\/strong> Does it support NPI and license matching, and does it return match_status (matched\/ambiguous\/no_match)?<\/li>\n<li><strong>Quality metadata:<\/strong> Do you get match_confidence plus refreshed_at per field (phone\/email), not just a single \u201clast updated\u201d?<\/li>\n<li><strong>Validation:<\/strong> Are phone validation and email verification statuses returned in a way you can gate sequences?<\/li>\n<li><strong>Suppression:<\/strong> Can you write back opt-outs and wrong-party dispositions so they stay suppressed across refreshes?<\/li>\n<li><strong>Operations:<\/strong> Are retries, logging, and idempotent writes supported so failures don\u2019t create duplicates?<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Use_cases_ops_teams_actually_run\"><\/span>Use cases ops teams actually run<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Bulk physician lookup API use case:<\/strong> enrich a batch of NPIs from a new req intake, then route top-ranked contacts into sequences.<\/li>\n<li><strong>Physician data refresh API use case:<\/strong> refresh only the records that bounced, were marked wrong-party, or have old recency\u2014without reprocessing your entire database.<\/li>\n<li><strong>Recruiter workflow routing:<\/strong> office-first during clinic hours, mobile-first after hours, with suppression enforced across channels.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Diagnostic_Table\"><\/span>Diagnostic Table:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Use this to diagnose why outreach isn\u2019t connecting and what to change in your API workflow.<\/p>\n<div class=\"table-scroll\" style=\"overflow:auto;-webkit-overflow-scrolling:touch;width:100%\">\n<table class=\"separated-content\">\n<thead>\n<tr>\n<th>Symptom in ops<\/th>\n<th>Likely root cause<\/th>\n<th>What to inspect (stored fields)<\/th>\n<th>Fix<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>High dial volume, low connects<\/td>\n<td>Calling office lines at the wrong time; stale mobiles<\/td>\n<td>phone_type, phone_validation_status, phone_validated_at, refreshed_at, match_confidence<\/td>\n<td>Route by time-of-day; prioritize newer\/higher-confidence mobiles; refresh on \u201cno-answer streak\u201d<\/td>\n<\/tr>\n<tr>\n<td>Email bounces spike<\/td>\n<td>Unverified emails or old domains<\/td>\n<td>email_verification_status, email_verified_at, refreshed_at, suppression_flag<\/td>\n<td>Block risky\/unknown emails from sequences; refresh on bounce; store refresh date per email<\/td>\n<\/tr>\n<tr>\n<td>Duplicate physicians in ATS\/CRM<\/td>\n<td>Matching on name only; inconsistent identifiers<\/td>\n<td>npi, license_number, license_state, match_status<\/td>\n<td>Enforce NPI\/license as identity spine; quarantine ambiguous matches<\/td>\n<\/tr>\n<tr>\n<td>Recruiters say \u201cdata is wrong\u201d but you can\u2019t audit it<\/td>\n<td>No field-level history<\/td>\n<td>refreshed_at per field, match_confidence, validation\/verification timestamps<\/td>\n<td>Persist confidence + refresh date; keep contact history rows keyed by NPI\/license<\/td>\n<\/tr>\n<tr>\n<td>Opt-outs keep getting re-contacted<\/td>\n<td>Suppression not centralized or not applied pre-send<\/td>\n<td>suppression_flag, suppression_reason<\/td>\n<td>Central suppression list; apply before outreach; write back dispositions from dialer\/email platform<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Weighted_Checklist\"><\/span>Weighted Checklist:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Score your current approach (0\u20132 each). Total helps you decide whether you\u2019re ready for API-first or should pilot with upload first.<\/p>\n<ul>\n<li><strong>(2) Stable identity:<\/strong> Every physician record is keyed on <strong>NPI<\/strong> or license matching, not name.<\/li>\n<li><strong>(2) Match outcomes:<\/strong> You store match_status (matched\/ambiguous\/no_match) and route ambiguous to review.<\/li>\n<li><strong>(2) Field-level recency:<\/strong> You store refreshed_at per phone\/email field (<strong>recency<\/strong>).<\/li>\n<li><strong>(2) Confidence stored:<\/strong> You persist match_confidence and use it to route outreach (<strong>confidence definition<\/strong> documented).<\/li>\n<li><strong>(2) Validation gates:<\/strong> <strong>phone validation<\/strong> and <strong>email verification<\/strong> happen before sequences launch.<\/li>\n<li><strong>(2) Suppression loop:<\/strong> Opt-outs and wrong-party dispositions write back to a suppression list used by all tools.<\/li>\n<li><strong>(2) Refresh triggers:<\/strong> Bounce\/wrong-party\/no-answer patterns trigger refresh; scheduled refresh exists for aging records.<\/li>\n<li><strong>(2) Idempotent writes:<\/strong> Your integration prevents duplicate provider\/contact rows on retries.<\/li>\n<\/ul>\n<p><strong>Interpretation:<\/strong> 0\u20138 = fix foundations; 9\u201312 = pilot; 13\u201316 = API-first is likely worth it.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Outreach_Templates\"><\/span>Outreach Templates:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>These templates assume you\u2019re using ranked contacts with confidence + recency stored. Keep them short and operational, and ensure your opt-out handling matches your channel rules and local requirements.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Template_1_First_text_to_a_physician_mobile_after-hours\"><\/span>Template 1: First text to a physician mobile (after-hours)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Message:<\/strong> \u201cHi Dr. {{LastName}} \u2014 this is {{RecruiterName}} recruiting for {{Role}} in {{City\/State}}. Is it okay to text you details, or is there a better number\/email? If you prefer no texts, reply STOP (where supported), and we\u2019ll suppress this number.\u201d<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Template_2_First_email_when_verification_is_strong\"><\/span>Template 2: First email when verification is strong<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Subject:<\/strong> \u201c{{Role}} in {{Location}} \u2014 quick fit check\u201d<\/p>\n<p><strong>Body:<\/strong> \u201cDr. {{LastName}}, I\u2019m reaching out about a {{Role}} opportunity in {{Location}}. If you\u2019re open to a 5-minute call, what\u2019s a good time? If not, reply \u2018no\u2019 and I\u2019ll close the loop.\u201d<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Template_3_Gatekeeper-friendly_office_call_opener_clinic_hours\"><\/span>Template 3: Gatekeeper-friendly office call opener (clinic hours)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Script:<\/strong> \u201cHi \u2014 I\u2019m trying to reach Dr. {{LastName}} about a professional opportunity. What\u2019s the best way to get a message to them, or is there a preferred time to call back?\u201d<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Common_pitfalls\"><\/span>Common pitfalls<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>Matching on name only:<\/strong> duplicates and wrong-party outreach. Fix: key on NPI\/license and store match_status.<\/li>\n<li><strong>Not storing field-level recency:<\/strong> you can\u2019t tune refresh. Fix: refreshed_at per phone\/email field.<\/li>\n<li><strong>Flat contact lists:<\/strong> recruiters guess which number to try. Fix: rank contacts and route by time-of-day.<\/li>\n<li><strong>No write-back loop:<\/strong> wrong numbers and opt-outs don\u2019t propagate. Fix: dispositions write back to suppression and trigger refresh.<\/li>\n<li><strong>Overwriting contacts without history:<\/strong> you lose auditability. Fix: keep contact history rows keyed by NPI\/license.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"How_to_improve_results\"><\/span>How to improve results<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Improvement comes from measuring the funnel, then using those measurements to trigger refresh and routing changes.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Outreach_metrics_canonical_definitions\"><\/span>Outreach metrics (canonical definitions)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Connect Rate<\/strong> = connected calls \/ total dials (denominator: per 100 dials).<\/li>\n<li><strong>Answer Rate<\/strong> = human answers \/ connected calls (denominator: per 100 connected calls).<\/li>\n<li><strong>Deliverability Rate<\/strong> = delivered emails \/ sent emails (denominator: per 100 sent emails).<\/li>\n<li><strong>Bounce Rate<\/strong> = bounced emails \/ sent emails (denominator: per 100 sent emails).<\/li>\n<li><strong>Reply Rate<\/strong> = replies \/ delivered emails (denominator: per 100 delivered emails).<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Measurement_instructions_required\"><\/span>Measurement instructions (required)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Measure this by\u2026 instrumenting your pipeline so every outreach attempt is tied back to (1) the physician identity key (NPI\/license), (2) the exact contact used, and (3) that contact\u2019s confidence + recency at send time.<\/p>\n<ul>\n<li><strong>Calls:<\/strong> log total dials, connected calls, and human answers; store phone_type and phone_validation_status for the dialed number.<\/li>\n<li><strong>Email:<\/strong> log sent, delivered, bounced, and replies; store email_verification_status and email_verified_at for the used address.<\/li>\n<li><strong>Refresh triggers:<\/strong> bounce \u2192 refresh email; wrong-party \u2192 suppress + refresh phone; repeated no-answer \u2192 try next ranked contact and refresh if recency is old.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Operational_%E2%80%9Ctime_math%E2%80%9D_you_can_run_with_your_own_data\"><\/span>Operational \u201ctime math\u201d you can run with your own data<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>If your team makes <em>X<\/em> dials per day and your Connect Rate increases from <em>A<\/em> to <em>B<\/em> after ranking + refresh, incremental connected calls per day = <strong>X \u00d7 (B \u2212 A)<\/strong>. Multiply by your average recruiter minutes per connected call to estimate time saved or redeployed into submissions.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Refresh_strategy_that_doesnt_break_reporting\"><\/span>Refresh strategy that doesn\u2019t break reporting<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Don\u2019t overwrite blindly:<\/strong> keep a \u201ccurrent\u201d contact plus a history table keyed by NPI\/license and timestamp.<\/li>\n<li><strong>Refresh windows:<\/strong> refresh contacts when recency exceeds your internal threshold, and immediately on negative signals (bounce, wrong-party).<\/li>\n<li><strong>Confidence-aware routing:<\/strong> low-confidence contacts can be used for softer channels first while you refresh phone.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Legal_and_ethical_use\"><\/span>Legal and ethical use<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>Legitimate recruiting outreach only:<\/strong> use contact data for bona fide professional recruiting.<\/li>\n<li><strong>Honor opt-outs:<\/strong> maintain suppression lists and apply them before any outreach.<\/li>\n<li><strong>Minimize data:<\/strong> store what you need for operations (identity key, contact, recency, confidence, suppression reason).<\/li>\n<li><strong>Local laws vary:<\/strong> requirements vary by jurisdiction and channel (call\/text\/email). Coordinate with counsel for your specific use case.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Evidence_and_trust_notes\"><\/span>Evidence and trust notes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>For baseline provider identity data, the US NPI registry is a primary reference point: <a href=\"https:\/\/nppes.cms.hhs.gov\/\">NPPES (CMS) NPI Registry<\/a>. In practice, recruiting workflows still require enrichment because contact fields change and aren\u2019t consistently available in baseline registries.<\/p>\n<p><strong>Note:<\/strong> The links below are for operational awareness, not legal advice.<\/p>\n<p>For channel rules and opt-out expectations, start with official guidance: <a href=\"https:\/\/consumer.ftc.gov\/articles\/can-spam-act-compliance-guide-business\">FTC CAN-SPAM Compliance Guide<\/a> and <a href=\"https:\/\/www.fcc.gov\/general\/telemarketing-and-robocalls\">FCC Telemarketing &amp; Robocalls overview<\/a>.<\/p>\n<p>How we think about data quality at Heartbeat.ai (matching, validation, suppression, and refresh): see our <a href=\"http:\/\/heartbeat.ai\/resources\/resources\/trust-methodology\/\">trust methodology for provider contact data<\/a>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"What_should_I_pass_into_a_physician_database_API\"><\/span>What should I pass into a physician database API?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Pass stable identifiers first: <strong>NPI<\/strong> when you have it, or license number + state for <strong>license matching<\/strong>. Add specialty and name\/location hints to reduce ambiguity.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_should_the_API_return_besides_phone_and_email\"><\/span>What should the API return besides phone and email?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Return match_status and match_confidence, contact type (mobile\/office), <strong>phone validation<\/strong> and <strong>email verification<\/strong> statuses, and field-level refreshed_at so ops can route outreach and trigger refresh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_often_should_we_refresh_physician_contact_data\"><\/span>How often should we refresh physician contact data?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Use a hybrid approach: scheduled refresh for aging records plus event-based refresh on bounces, wrong-party dispositions, and repeated no-answer patterns. Store recency per field so you can tune this.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Is_an_API_better_than_uploading_a_CSV\"><\/span>Is an API better than uploading a CSV?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>An API is better when you need continuous refresh, automated suppression, and failure handling inside your systems. Uploads are fine for pilots and one-off campaigns, but they\u2019re harder to keep current.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_do_we_know_if_ranking_is_working\"><\/span>How do we know if ranking is working?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Track Connect Rate (connected calls \/ total dials) and Answer Rate (human answers \/ connected calls), and compare before\/after by phone_type and recency bands. For email, track Deliverability Rate, Bounce Rate, and Reply Rate segmented by email_verification_status.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Next_steps\"><\/span>Next steps<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>Map your fields:<\/strong> review the <a href=\"https:\/\/heartbeat.ai\/api\">Heartbeat.ai API overview<\/a> and map inputs\/outputs to your ATS\/CRM and warehouse.<\/li>\n<li><strong>Pilot fast:<\/strong> if you want a quick test, start with <a href=\"https:\/\/heartbeat.ai\/upload-file\">uploading a file for enrichment<\/a>, then graduate to API refresh once your keys and suppression are stable.<\/li>\n<li><strong>Related resource:<\/strong> align stakeholders with <a href=\"http:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-contact-database\/\">how a physician contact database fits into recruiting ops<\/a>.<\/li>\n<li><strong>Try it now:<\/strong> <a href=\"https:\/\/heartbeat.ai\/signup\">start free search &amp; preview data<\/a> and validate confidence + refresh date outputs against your current outreach outcomes.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"About_the_Author\"><\/span><b>About the Author<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"http:\/\/heartbeat.ai\/resources\/author\/ben-argeband\"><span style=\"font-weight: 400;\">Ben Argeband<\/span><\/a><span style=\"font-weight: 400;\"> is the Founder and CEO of Swordfish.ai and Heartbeat.ai. With deep expertise in data and SaaS, he has built two successful platforms trusted by over 50,000 sales and recruitment professionals. Ben&#8217;s mission is to help teams find direct contact information for hard-to-reach professionals and decision-makers, providing the shortest route to their next win. Connect with Ben on <\/span><a href=\"https:\/\/www.linkedin.com\/in\/ben-m-argeband-2427a8a3\/\"><span style=\"font-weight: 400;\">LinkedIn<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Article\",\"author\":{\"@type\":\"Person\",\"jobTitle\":\"Founder & CEO of Heartbeat.ai\",\"name\":\"Ben Argeband\"},\"description\":\"An ops-first guide to implementing a physician database API: NPI\/license matching, validation and suppression, ranked contacts, refresh triggers, failure handling, and measurement.\",\"headline\":\"Physician database API: an ops playbook for always-fresh recruiting outreach\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/heartbeat.ai\/resources\/provider-contact-data\/physician-database-api\/\",\"@type\":\"WebPage\"},\"publisher\":{\"@type\":\"Organization\",\"name\":\"Heartbeat.ai\"}}<\/script><br \/>\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Pass stable identifiers first: NPI when you have it, or license number + state for license matching. 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