Loading...

    Explore
    • Policy Monitoring
    • Live Policy Feed
    • Billing Codes
    • NPI Medicare & Medicaid
    • Healthcare Providers
    • Health Insurance Payers
    • States
    • Service Lines
    • Taxonomy Codes
    Lookup tools
    • Billing Code Lookup
    • CPT Modifier Lookup
    • Provider Taxonomy Code Lookup
    • Healthcare Provider & Facility Lookup
    • Health Insurance Payer Lookup
    • Payer Contact Directory

    Policy & Benchmark Tools

    • Prior Authorization Lookup
    • Coverage Criteria Lookup
    • Timely Filing Lookup
    • Billing Code Reimbursement Rates
    • Payer Comparison Dashboard
    • Facility Comparison Dashboard
    • All tools

    Company

    • About OpenPayer
    • Data Sources
    • Trek Health
    OpenPayerby Trek Health
    LinkedInYouTube

    © 2026 Trek Health. All rights reserved.

    OpenPayer is built and maintained by Trek Health.

    v1.0.28
    OpenPayerStates

    Find policies, billing codes, payers, states, and providers

    51 states

    Alabama

    Population: 5.0MInsured: 3.3MPayers: 26Premium: $19.5B#1 BCBS OF AL GRP (39.5%)#2 UNITEDHEALTH GRP (28.0%)#3 HUMANA GRP (8.9%)
    Updated 7/31/2026

    Alaska

    Population: 704.3KInsured: 461.6KPayers: 18Premium: $1.7B#1 PREMERA BLUE CROSS GRP (73.3%)#2 OREGON DENTAL SERV GRP (5.5%)#3 CVS GRP (3.5%)
    Updated 7/31/2026

    Arizona

    Population: 7.3MInsured: 4.6MPayers: 39Premium: $20.8B#1 UNITEDHEALTH GRP (27.1%)#2 CENTENE CORP GRP (17.7%)#3 BCBS OF AZ INC (14.5%)
    Updated 7/31/2026

    Arkansas

    Population: 3.0MInsured: 1.8MPayers: 25Premium: $11.4B#1 ARKANSAS BCBS GRP (26.8%)#2 UNITEDHEALTH GRP (20.5%)#3 CENTENE CORP GRP (17.3%)
    Updated 7/31/2026

    California

    Population: 38.8MInsured: 24.7MPayers: 18Premium: $106.1B#1 KAISER FOUNDATION GRP (29.8%)#2 UNITEDHEALTH GRP (3.2%)#3 CVS GRP (2.3%)
    Updated 7/31/2026

    Colorado

    Population: 5.8MInsured: 4.1MPayers: 27Premium: $20.0B#1 UNITEDHEALTH GRP (30.1%)#2 KAISER FOUNDATION GRP (19.0%)#3 ELEVANCE HLTH INC GRP (13.8%)
    Updated 7/31/2026

    Connecticut

    Population: 3.6MInsured: 2.5MPayers: 23Premium: $12.7B#1 UNITEDHEALTH GRP (29.8%)#2 ELEVANCE HLTH INC GRP (22.5%)#3 CVS GRP (18.1%)
    Updated 7/31/2026

    Delaware

    Population: 1.0MInsured: 710.1KPayers: 22Premium: $2.8B#1 HIGHMARK GRP (35.4%)#2 UNITEDHEALTH GRP (17.9%)#3 CVS GRP (15.8%)
    Updated 7/31/2026

    District Of Columbia

    Population: 671.8KInsured: 480.5KPayers: 24Premium: $8.1B#1 CAREFIRST INC GRP (21.1%)#2 UNITEDHEALTH GRP (17.5%)#3 CVS GRP (11.1%)
    Updated 7/31/2026

    Florida

    Population: 22.1MInsured: 14.1MPayers: 38Premium: $124.3B#1 GUIDEWELL MUT HOLDING GRP (20.5%)#2 UNITEDHEALTH GRP (17.6%)#3 HUMANA GRP (16.0%)
    Updated 7/31/2026

    Georgia

    Population: 10.7MInsured: 7.1MPayers: 35Premium: $42.6B#1 UNITEDHEALTH GRP (17.2%)#2 CENTENE CORP GRP (16.4%)#3 ELEVANCE HLTH INC GRP (15.5%)
    Updated 7/31/2026

    Hawaii

    Population: 1.4MInsured: 1.0MPayers: 19Premium: $9.8B#1 HAWAII MEDICAL SERV ASSN (44.3%)#2 KAISER FOUNDATION GRP (20.4%)#3 UNITEDHEALTH GRP (12.4%)
    Updated 7/31/2026

    Idaho

    Population: 1.9MInsured: 1.3MPayers: 32Premium: $6.1B#1 GEMSTONE HOLDINGS GRP (34.6%)#2 UNITEDHEALTH GRP (14.6%)#3 CAMBIA HEALTH SOLUTIONS INC (14.3%)
    Updated 7/31/2026

    Illinois

    Population: 12.5MInsured: 8.7MPayers: 41Premium: $60.2B#1 HCSC GRP (39.4%)#2 CVS GRP (15.5%)#3 CENTENE CORP GRP (10.8%)
    Updated 7/31/2026

    Indiana

    Population: 6.8MInsured: 4.6MPayers: 34Premium: $28.8B#1 ELEVANCE HLTH INC GRP (33.6%)#2 UNITEDHEALTH GRP (17.8%)#3 HUMANA GRP (12.0%)
    Updated 7/31/2026

    Iowa

    Population: 3.2MInsured: 2.3MPayers: 31Premium: $15.3B#1 WELLMARK INC GRP (23.9%)#2 ELEVANCE HLTH INC GRP (17.9%)#3 CENTENE CORP GRP (14.9%)
    Updated 7/31/2026

    Kansas

    Population: 2.9MInsured: 2.1MPayers: 24Premium: $13.3B#1 UNITEDHEALTH GRP (24.3%)#2 CVS GRP (20.6%)#3 CENTENE CORP GRP (17.9%)
    Updated 7/31/2026

    Kentucky

    Population: 4.5MInsured: 2.8MPayers: 30Premium: $24.6B#1 ELEVANCE HLTH INC GRP (24.0%)#2 HUMANA GRP (20.8%)#3 CENTENE CORP GRP (16.1%)
    Updated 7/31/2026

    Louisiana

    Population: 4.5MInsured: 2.6MPayers: 25Premium: $27.1B#1 UNITEDHEALTH GRP (23.7%)#2 LOUISIANA HLTH SERV GRP (17.6%)#3 HUMANA GRP (15.6%)
    Updated 7/31/2026

    Maine

    Population: 1.4MInsured: 948.7KPayers: 19Premium: $5.5B#1 ELEVANCE HLTH INC GRP (31.0%)#2 UNITEDHEALTH GRP (12.3%)#3 MARTINS POINT GENERATIONS ADVANTAGE (11.0%)
    Updated 7/31/2026

    Maryland

    Population: 6.1MInsured: 4.5MPayers: 29Premium: $21.7B#1 CAREFIRST INC GRP (32.7%)#2 UNITEDHEALTH GRP (18.0%)#3 KAISER FOUNDATION GRP (16.3%)
    Updated 7/31/2026

    Massachusetts

    Population: 7.0MInsured: 5.1MPayers: 30Premium: $33.4B#1 BCBS OF MA GRP (27.7%)#2 POINT32HEALTH INC GRP (21.3%)#3 BOSTON MEDICAL CENTER HLTH PLAN INC (13.3%)
    Updated 7/31/2026

    Michigan

    Population: 10.0MInsured: 7.0MPayers: 43Premium: $49.0B#1 BCBS OF MI GRP (36.7%)#2 COREWELL HLTH GRP (14.6%)#3 UNITEDHEALTH GRP (11.4%)
    Updated 7/31/2026

    Minnesota

    Population: 5.7MInsured: 4.3MPayers: 24Premium: $27.3B#1 BCBS OF MN GRP (30.7%)#2 UCARE GRP (22.1%)#3 HEALTHPARTNERS GRP (14.1%)
    Updated 7/31/2026

    Mississippi

    Population: 2.9MInsured: 1.8MPayers: 25Premium: $11.2B#1 CENTENE CORP GRP (23.3%)#2 HUMANA GRP (19.4%)#3 UNITEDHEALTH GRP (17.9%)
    Updated 7/31/2026

    Showing 1–25 of 51

    Explore Other

    • NPI Medicare & Medicaid
    • Billing Codes
    • Payers
    • Service Lines
    • Policy Updates
    • Providers
    • Taxonomy Codes

    Toolbox

    Explore OpenPayer Tools

    • Billing Code LookupSearch CPT, HCPCS, J-codes, DRG, and dental codes by number or procedure name.
    • Billing Code Reimbursement RatesBuild a reimbursement rate report across any mix of billing codes and states, comparing commercial payers against Medicare.
    • Payer Comparison DashboardPick 2-5 payers to compare market share, premium, and membership by region, all at once.
    • Facility Comparison DashboardPick 2-6 hospital facility types (or add a specific hospital) to compare facility count, revenue, net income, and Medicare/Medicaid payer mix by region, all at once.
    • Healthcare Provider & Facility LookupFind hospitals and healthcare facilities by name, taxonomy, facility type, ownership, or state.
    • Health Insurance Payer LookupSearch national health insurance payers and health plans by name and state presence.
    • Provider Taxonomy Code LookupSearch NUCC taxonomy codes by code, specialty, grouping, or classification.
    • CPT Modifier LookupSearch CPT modifiers by code or name — descriptions, when to use them, and payer policy context.
    • Prior Authorization LookupSearch payer prior authorization policies by drug, procedure, or policy name.
    • Timely Filing LookupFind payer timely filing policies: claim deadlines, corrected claim windows, and appeal timeframes.
    • Coverage Criteria LookupSearch payer coverage criteria and medical necessity requirements by drug, procedure, or payer.
    • Payer Contact DirectoryClaims, prior authorization, provider services, and appeals contacts for health insurance payers.