{"source_count":38,"active_sources":7,"sources":[{"source_id":"irs_990","display_name":"IRS Form 990 (Schedules R, J)","source_type":"irs_990_xml","license":"public_domain","update_cadence":"annual","accuracy_class":"authoritative_for_nonprofit_org_chart_and_compensation","last_loaded_at":"2026-06-17T21:28:17.459439+00:00","last_record_count":8,"primary_url":"https://projects.propublica.org/nonprofits/","notes":"Schedule R (related orgs) + Schedule J (top compensated employees) deep-parsed in Loop 2. Schedule R supersedes hand-curated nonprofit_subsidiary_crosswalk seed. Schedule J names fuzzy-matched to NPIs where possible.","is_active":true},{"source_id":"sec_10k","display_name":"SEC EDGAR Form 10-K (annual reports)","source_type":"sec_filings_via_fmp","license":"public_domain","update_cadence":"annual","accuracy_class":"authoritative_for_public_company_financials","last_loaded_at":"2026-06-17T21:25:23.399804+00:00","last_record_count":30,"primary_url":"https://www.sec.gov/edgar.shtml","notes":"Annual reports for ~50 public healthcare services (HCA, Tenet, UHS, Surgery Partners, etc.) via Financial Modeling Prep parsed feed. Income statement + balance sheet per fiscal year. Segment breakdown where disclosed.","is_active":true},{"source_id":"dol_5500","display_name":"DOL Form 5500 (ERISA retirement plan filings)","source_type":"dol_efast2","license":"public_domain","update_cadence":"annual","accuracy_class":"authoritative_for_w2_employee_count_and_plan_assets","last_loaded_at":"2026-06-17T21:12:29.991546+00:00","last_record_count":26188,"primary_url":"https://www.efast.dol.gov/","notes":"EFAST2 bulk annual download. Filtered to healthcare NAICS codes 621xxx/622xxx/623xxx. active_participants_total summed across an EIN's plans = floor on W-2 employee count. Anchor for accuracy benchmarking.","is_active":true},{"source_id":"ca_medical_board","display_name":"California Medical Board License Database (via CA Open Data)","source_type":"state_open_data_api","license":"public_domain","update_cadence":"monthly","accuracy_class":"authoritative_for_ca_license_status","last_loaded_at":"2026-06-11T08:33:09.623819+00:00","last_record_count":5068896,"primary_url":"https://data.ca.gov/dataset/healthcare-licensed-providers","notes":"Healthcare Licensed Providers dataset published by CA Department of Consumer Affairs. Includes licensed Medical Doctors and Osteopathic Physicians active in CA. License number, status, expiration, city, county. Disciplinary actions tracked separately via CA Medical Board action feed.","is_active":true},{"source_id":"nppes","display_name":"CMS NPPES NPI Registry","source_type":"cms_archive","license":"public_domain","update_cadence":"monthly","accuracy_class":"authoritative_for_identity","last_loaded_at":"2026-06-11T08:33:09.623819+00:00","last_record_count":null,"primary_url":"https://npiregistry.cms.hhs.gov/","notes":"National Provider Identifier registry — provider identity, taxonomy, address.","is_active":true},{"source_id":"dac_providers","display_name":"CMS DAC National Downloadable File","source_type":"cms_archive","license":"public_domain","update_cadence":"monthly","accuracy_class":"authoritative_for_practice_location","last_loaded_at":"2026-06-11T07:37:02.701904+00:00","last_record_count":1555891,"primary_url":"https://data.cms.gov/provider-data/dataset/mj5m-pzi6","notes":"Practice location, specialty, group size, hospital affiliations for Medicare-enrolled clinicians.","is_active":true},{"source_id":"pecos_reassignment","display_name":"CMS PECOS Medicare Billing Reassignment","source_type":"cms_dac_derived","license":"public_domain","update_cadence":"monthly","accuracy_class":"authoritative_for_billing","last_loaded_at":"2026-06-11T07:37:02.701904+00:00","last_record_count":1555891,"primary_url":"https://data.cms.gov/provider-data/dataset/mj5m-pzi6","notes":"NPI-to-organization billing relationship per Medicare. Includes voluntary attendings, locums, employed staff — does not distinguish W-2 employment.","is_active":true},{"source_id":"ahrq_sdoh","display_name":"AHRQ Social Determinants of Health Database","source_type":"ahrq_data","license":"public_domain","update_cadence":"annual","accuracy_class":"authoritative_for_sdoh","last_loaded_at":null,"last_record_count":null,"primary_url":"https://www.ahrq.gov/sdoh/data-analytics/sdoh-data.html","notes":"Census-tract-level SDOH indicators: income, insurance, housing, education, language. 38.8K rows.","is_active":false},{"source_id":"asc","display_name":"CMS Ambulatory Surgical Center Compare","source_type":"cms_archive","license":"public_domain","update_cadence":"weekly","accuracy_class":"authoritative_for_asc_quality","last_loaded_at":null,"last_record_count":null,"primary_url":"https://data.cms.gov/provider-data/topics/ambulatory-surgical-centers","notes":"Quality measures, patient experience. ~24K facilities.","is_active":false},{"source_id":"cbsa_crosswalk","display_name":"Census / OMB Core-Based Statistical Area Crosswalk","source_type":"census_omb","license":"public_domain","update_cadence":"annual","accuracy_class":"authoritative_for_metro_geography","last_loaded_at":null,"last_record_count":null,"primary_url":"https://www.census.gov/programs-surveys/metro-micro.html","notes":"OMB-defined ZIP → CBSA (metro / micro area) mapping used for market geography. 30K rows.","is_active":false},{"source_id":"cdc_places","display_name":"CDC PLACES (Local Data for Better Health)","source_type":"cdc_data","license":"public_domain","update_cadence":"annual","accuracy_class":"authoritative_for_community_health","last_loaded_at":null,"last_record_count":null,"primary_url":"https://www.cdc.gov/places/","notes":"40 health outcome, prevention, and risk-factor measures at county and ZCTA level. 1.4M rows.","is_active":false},{"source_id":"clinicians","display_name":"CMS Doctors and Clinicians (MIPS)","source_type":"cms_archive","license":"public_domain","update_cadence":"weekly","accuracy_class":"authoritative_for_clinician_mips","last_loaded_at":null,"last_record_count":null,"primary_url":"https://data.cms.gov/provider-data/topics/doctors-clinicians","notes":"MIPS scores, measures across 70 quarters. 1M+ clinicians.","is_active":false},{"source_id":"dartmouth_crosswalk","display_name":"Dartmouth Atlas of Health Care — ZIP / HRR / HSA Crosswalk","source_type":"academic_dataset","license":"dartmouth_atlas_research_use","update_cadence":"periodic","accuracy_class":"authoritative_for_hrr_hsa_geography","last_loaded_at":null,"last_record_count":null,"primary_url":"https://www.dartmouthatlas.org/","notes":"40.9K ZIPs → 306 Hospital Referral Regions → 3,436 Hospital Service Areas. Used for regional analytics.","is_active":false},{"source_id":"dialysis","display_name":"CMS Dialysis Facility Compare","source_type":"cms_archive","license":"public_domain","update_cadence":"weekly","accuracy_class":"authoritative_for_dialysis_quality","last_loaded_at":null,"last_record_count":null,"primary_url":"https://data.cms.gov/provider-data/topics/dialysis-facilities","notes":"Star ratings, quality measures, patient experience. 30 quarters of history.","is_active":false},{"source_id":"docs_resources","display_name":"Verzi Methodology + Resource Library","source_type":"verzi_published_documents","license":"verzi_published","update_cadence":"continuous","accuracy_class":"methodology_reference","last_loaded_at":null,"last_record_count":null,"primary_url":"https://api.healthcaredata.io/resources","notes":"Published methodology docs: API Style Guide, Accuracy Benchmark, HCA Case Study, License Intelligence, Employment Reconciliation, Financial Intelligence. Surfaced at /resources for customer audit.","is_active":false},{"source_id":"google_geocoding","display_name":"Google Maps Geocoding API","source_type":"commercial_api","license":"google_maps_platform_tos","update_cadence":"as_needed","accuracy_class":"authoritative_for_coordinates","last_loaded_at":null,"last_record_count":null,"primary_url":"https://developers.google.com/maps/documentation/geocoding","notes":"Latitude / longitude for 60K facilities (98.6% coverage). Used under Google Maps Platform Terms of Service. Coordinates cached locally — Google data not redistributed.","is_active":false},{"source_id":"hcris","display_name":"CMS Hospital Cost Report Information System (HCRIS)","source_type":"cms_archive","license":"public_domain","update_cadence":"quarterly","accuracy_class":"authoritative_for_hospital_financials","last_loaded_at":null,"last_record_count":null,"primary_url":"https://www.cms.gov/data-research/statistics-trends-and-reports/cost-reports","notes":"Hospital cost reports — revenue, expenses, margins. 42K rows.","is_active":false},{"source_id":"home_health","display_name":"CMS Home Health Compare","source_type":"cms_archive","license":"public_domain","update_cadence":"weekly","accuracy_class":"authoritative_for_hh_quality","last_loaded_at":null,"last_record_count":null,"primary_url":"https://data.cms.gov/provider-data/topics/home-health-services","notes":"Star ratings, patient experience. 30 quarters of history.","is_active":false},{"source_id":"hospice","display_name":"CMS Hospice 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Source for license_disciplinary_actions joins.","is_active":false},{"source_id":"open_payments","display_name":"CMS Open Payments (Sunshine Act)","source_type":"cms_archive","license":"public_domain","update_cadence":"annual","accuracy_class":"good_for_pharma_relationships","last_loaded_at":null,"last_record_count":null,"primary_url":"https://openpaymentsdata.cms.gov/","notes":"Pharma manufacturer payments to physicians + teaching hospitals.","is_active":false},{"source_id":"partd_prescriber","display_name":"CMS Medicare Part D Prescriber","source_type":"cms_archive","license":"public_domain","update_cadence":"annual","accuracy_class":"authoritative_for_drug_prescribing","last_loaded_at":null,"last_record_count":null,"primary_url":"https://data.cms.gov/provider-summary-by-type-of-service/medicare-part-d-prescribers","notes":"Per-NPI drug prescribing patterns. 102.9M rows.","is_active":false},{"source_id":"pecos_enrollment","display_name":"CMS PECOS Individual Enrollment (855I)","source_type":"cms_archive","license":"public_domain","update_cadence":"monthly","accuracy_class":"authoritative_for_medicare_enrollment","last_loaded_at":null,"last_record_count":null,"primary_url":"https://data.cms.gov/provider-characteristics/medicare-provider-supplier-enrollment","notes":"Medicare provider enrollment, specialty, multi-state. 2.98M records.","is_active":false},{"source_id":"physician_employer_systems","display_name":"Verzi-curated employer typology crosswalk","source_type":"internal_curation","license":"verzi_proprietary","update_cadence":"continuous","accuracy_class":"high_for_top_300_systems","last_loaded_at":null,"last_record_count":null,"primary_url":null,"notes":"Hand-curated mapping of PECOS PAC IDs to parent systems with employer_type classification (hospital_system, pe_platform, payer_vertical, etc.).","is_active":false},{"source_id":"physician_utilization","display_name":"CMS Medicare Physician & Other Practitioners by Provider and Service","source_type":"cms_archive","license":"public_domain","update_cadence":"annual","accuracy_class":"authoritative_for_medicare_billing","last_loaded_at":null,"last_record_count":null,"primary_url":"https://data.cms.gov/provider-summary-by-type-of-service/medicare-physician-other-practitioners","notes":"Per-NPI billing patterns: HCPCS codes, allowed charges, service counts. 29.1M rows.","is_active":false},{"source_id":"qpp_mips_tin","display_name":"CMS Quality Payment Program MIPS Participation (TIN-NPI)","source_type":"cms_qpp_csv","license":"public_domain","update_cadence":"annual","accuracy_class":"authoritative_for_mips_tin_anchor","last_loaded_at":null,"last_record_count":null,"primary_url":"https://data.cms.gov/provider-data/dataset/0ba7-2cgq","notes":"CMS Doctors and Clinicians dataset annual file. Each row links an NPI to the billing TIN (= EIN of billing entity), plus MIPS quality / cost / IA / PI score components. Use TIN as a strong employment signal: CMS confirmed this NPI billed under this EIN during the performance year.","is_active":false},{"source_id":"sec_8k","display_name":"SEC EDGAR Form 8-K (M&A Events)","source_type":"sec_filings_via_fmp","license":"public_domain","update_cadence":"continuous","accuracy_class":"authoritative_for_material_corporate_events","last_loaded_at":null,"last_record_count":null,"primary_url":"https://www.sec.gov/edgar.shtml","notes":"Item 1.01 (Material Definitive Agreement) and Item 2.01 (Completion of Acquisition or Disposition) are SEC-mandated M&A disclosure items. Public healthcare services file these in real time. Our /ma-events/* surface aggregates them.","is_active":false},{"source_id":"vbc_aco","display_name":"CMS Shared Savings Program ACOs (MSSP / REACH / NGACO / HAC)","source_type":"cms_archive","license":"public_domain","update_cadence":"annual","accuracy_class":"authoritative_for_aco_participation","last_loaded_at":null,"last_record_count":null,"primary_url":"https://data.cms.gov/medicare-shared-savings-program","notes":"MSSP ACO directory + participants + SNF affiliates + beneficiaries; ACO REACH financials; NGACO performance; HAC reduction measures.","is_active":false}]}