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
    OpenPayerPayers

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

    157 payers

    UnitedHealth Group

    US Rank #1US Share: 18.73%US Premium: $269.2BEst. Members: 41.5MUS States: 50 + DC#1 in 13 statesUS Territories: 5Territory Premium: $161.0MForeign Premium: $120.5M
    Updated 4/22/2026

    CVS Group

    US Rank #2US Share: 8.42%US Premium: $121.1BEst. Members: 18.2MUS States: 50 + DCUS Territories: 5Territory Premium: $39.1MForeign Premium: $18.1M
    Updated 4/22/2026

    Centene Corporation Group

    US Rank #3US Share: 7.88%US Premium: $113.2BEst. Members: 16.2MUS States: 50 + DC#1 in 1 states
    Updated 4/22/2026

    Humana Group

    US Rank #4US Share: 7.66%US Premium: $110.0BEst. Members: 16.0MUS States: 50 + DCUS Territories: 1Territory Premium: $511.5M
    Updated 4/22/2026

    Elevance Health Inc Group

    US Rank #5US Share: 7.23%US Premium: $103.9BEst. Members: 15.9MUS States: 35#1 in 6 statesUS Territories: 1Territory Premium: $4.3B
    Updated 4/22/2026

    Kaiser Foundation Group

    US Rank #6US Share: 7.02%US Premium: $101.0BEst. Members: 21.9MUS States: 9#1 in 2 states
    Updated 4/22/2026

    HCSC Group

    US Rank #7US Share: 4.46%US Premium: $64.1BEst. Members: 9.1MUS States: 45#1 in 3 states
    Updated 4/22/2026

    Cigna Health Group

    US Rank #8US Share: 2.86%US Premium: $41.1BEst. Members: 6.7MUS States: 50 + DCUS Territories: 5Territory Premium: $204.0MForeign Premium: $571.4M
    Updated 4/22/2026

    Molina Healthcare Inc Group

    US Rank #9US Share: 2.11%US Premium: $30.3BEst. Members: 4.5MUS States: 20US Territories: 1Territory Premium: $3.3M
    Updated 4/22/2026

    Independence Health Group Inc Group

    US Rank #10US Share: 2.03%US Premium: $29.1BEst. Members: 3.5MUS States: 11#1 in 1 states
    Updated 4/22/2026

    GuideWell Mutual Holding Group

    US Rank #11US Share: 1.84%US Premium: $26.5BEst. Members: 3.0MUS States: 1#1 in 1 statesUS Territories: 2Territory Premium: $4.2B
    Updated 4/22/2026

    Highmark Group

    US Rank #12US Share: 1.51%US Premium: $21.7BEst. Members: 2.9MUS States: 50#1 in 2 states
    Updated 4/22/2026

    BlueCross BlueShield of Michigan Group

    US Rank #13US Share: 1.38%US Premium: $19.8BEst. Members: 2.9MUS States: 6#1 in 2 states
    Updated 4/22/2026

    BlueCross BlueShield of New Jersey Group

    US Rank #14US Share: 1.21%US Premium: $17.4BEst. Members: 2.4MUS States: 1#1 in 1 states
    Updated 4/22/2026

    UPMC Health System Group

    US Rank #15US Share: 1.05%US Premium: $15.1BEst. Members: 1.7MUS States: 2
    Updated 4/22/2026

    BlueCross BlueShield of North Carolina Group

    US Rank #16US Share: 0.94%US Premium: $13.5BEst. Members: 2.0MUS States: 1#1 in 1 states
    Updated 4/22/2026

    Caresource Group

    US Rank #17US Share: 0.83%US Premium: $12.0BEst. Members: 1.7MUS States: 7
    Updated 4/22/2026

    Carefirst Inc Group

    US Rank #18US Share: 0.78%US Premium: $11.3BEst. Members: 1.9MUS States: 3#1 in 2 states
    Updated 4/22/2026

    BlueCross BlueShield of Tennessee Group

    US Rank #19US Share: 0.7%US Premium: $10.1BEst. Members: 1.5MUS States: 3#1 in 1 states
    Updated 4/22/2026

    Metropolitan Group

    US Rank #20US Share: 0.69%US Premium: $9.9BEst. Members: 1.6MUS States: 50 + DCUS Territories: 5Territory Premium: $21.7MForeign Premium: $4.8M
    Updated 4/22/2026

    BlueCross BlueShield of Massachusetts Group

    US Rank #21US Share: 0.68%US Premium: $9.7BEst. Members: 1.5MUS States: 1#1 in 1 states
    Updated 4/22/2026

    Oscar Health Inc Group

    US Rank #22US Share: 0.61%US Premium: $8.8BEst. Members: 1.2MUS States: 18
    Updated 4/22/2026

    BlueCross BlueShield of Minnesota Group

    US Rank #23US Share: 0.61%US Premium: $8.7BEst. Members: 1.4MUS States: 2#1 in 1 states
    Updated 4/22/2026

    Point32Health Inc Group

    US Rank #24US Share: 0.61%US Premium: $8.7BEst. Members: 1.4MUS States: 5
    Updated 4/22/2026

    BlueCross BlueShield of Alabama Group

    US Rank #25US Share: 0.57%US Premium: $8.2BEst. Members: 1.4MUS States: 2#1 in 1 states
    Updated 4/22/2026

    Showing 1–25 of 157

    Explore Other

    • NPI Medicare & Medicaid
    • Billing Codes
    • States
    • 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.