COVERAGE
What InPlan holds, counted and dated.
Marketplace and Medicare Advantage networks, matched to 7.7 million provider records. Every figure on this page is data an answer can draw on today.
- provider records
- 7.7M
- provider-plan links
- 650M+
- marketplace plans
- 3,700+
- Medicare Advantage plans
- 1,300+
Health plans on file by state
Marketplace 2026 and Medicare Advantage 2027, combined
- Alabama185
- Alaska24
- Arizona356
- Arkansas147
- California404
- Colorado112
- Connecticut58
- Delaware87
- District of Columbia24
- Florida981
- Georgia170
- Hawaii71
- Idaho52
- Illinois149
- Indiana228
- Iowa204
- Kansas156
- Kentucky131
- Louisiana232
- Maine58
- Maryland56
- Massachusetts107
- Michigan308
- Minnesota75
- Mississippi159
- Missouri300
- Montana140
- Nebraska225
- Nevada107
- New Hampshire152
- New Jersey82
- New Mexico71
- New York233
- North Carolina396
- North Dakota91
- Ohio378
- Oklahoma276
- Oregon162
- Pennsylvania346
- Rhode Island32
- South Carolina230
- South Dakota104
- Tennessee324
- Texas1,265
- Utah116
- Vermont15
- Virginia157
- Washington123
- West Virginia115
- Wisconsin491
- Wyoming40
- Under 100
- 100 to 199
- 200 to 299
- 300 to 499
- 500 or more
Two markets, one answer format.
Marketplace and Medicare Advantage answers come back in the same shape, with the same evidence fields. Your product handles both with one code path.
MarketplacePLAN YEAR 2026
Plans3,700+
Insurers174
States30
Medicare Advantage2027 PLANS LIVE
Plans1,300+
Contracts, from 46 organisations150
Providers listed1.48M
INSURER LEDGER
Marketplace insurers we hold.
Ranked by the number of 2026 medical plans whose directories list providers in our data. Names appear as each insurer publishes them.
Showing 39 of 109 insurer names. Counted state by state, that is 174 insurers.
Open the insurer pagesBrowse by state| # | INSURER | MARKET | PLANS | |
|---|---|---|---|---|
| 01 | Blue Cross and Blue Shield of Texas | ACA · 2026 | 546 | |
| 02 | UnitedHealthcare | ACA · 2026 | 282 | |
| 03 | Oscar Insurance Company | ACA · 2026 | 209 | |
| 04 | Blue Cross Blue Shield of Arizona | ACA · 2026 | 115 | |
| 05 | Anthem Blue Cross and Blue Shield | ACA · 2026 | 112 | |
| 06 | Cigna Healthcare | ACA · 2026 | 103 | |
| 07 | BlueCross BlueShield of Tennessee | ACA · 2026 | 96 | |
| 08 | Blue Cross and Blue Shield of Oklahoma | ACA · 2026 | 92 | |
| 09 | Ambetter Health | ACA · 2026 | 87 | |
| 10 | Florida Blue HMO (a BlueCross BlueShield FL company) | ACA · 2026 | 83 | |
| 11 | Blue Cross and Blue Shield of Nebraska | ACA · 2026 | 78 | |
| 12 | Molina Healthcare | ACA · 2026 | 78 | |
| 13 | BlueCross BlueShield of South Carolina | ACA · 2026 | 74 | |
| 14 | Blue Cross and Blue Shield of Montana | ACA · 2026 | 67 | |
| 15 | CareSource | ACA · 2026 | 65 | |
| 16 | AvMed | ACA · 2026 | 64 | |
| 17 | Quartz | ACA · 2026 | 57 | |
| 18 | Priority Health | ACA · 2026 | 48 | |
| 19 | Avera Health Plans | ACA · 2026 | 47 | |
| 20 | HMO Louisiana | ACA · 2026 | 40 | |
| 21 | Sanford Health Plan | ACA · 2026 | 36 | |
| 22 | Oscar Health Maintenance Organization of Florida | ACA · 2026 | 34 | |
| 23 | Security Health Plan | ACA · 2026 | 34 | |
| 24 | CHRISTUS Health Plan | ACA · 2026 | 33 | |
| 25 | Florida Blue (BlueCross BlueShield FL) | ACA · 2026 | 33 | |
| 26 | AmeriHealth Caritas Next | ACA · 2026 | 32 | |
| 27 | Ambetter from Arkansas Health & Wellness | ACA · 2026 | 31 | |
| 28 | Ambetter from Superior HealthPlan | ACA · 2026 | 30 | |
| 29 | Ambetter of North Carolina | ACA · 2026 | 29 | |
| 30 | Dean Health Plan | ACA · 2026 | 27 | |
| 31 | Network Health | ACA · 2026 | 26 | |
| 32 | Paramount | ACA · 2026 | 26 | |
| 33 | Moda Health Plan, Inc. | ACA · 2026 | 25 | |
| 34 | Health First Commercial Plans, Inc. | ACA · 2026 | 24 | |
| 35 | Oscar Health Plan, Inc. | ACA · 2026 | 24 | |
| 36 | Blue Cross and Blue Shield of Kansas City | ACA · 2026 | 23 | |
| 37 | Florida Health Care Plans | ACA · 2026 | 23 | |
| 38 | Oscar Health Plan of North Carolina, Inc | ACA · 2026 | 22 | |
| 39 | Group Health Cooperative-SCW | ACA · 2026 | 21 | |
| 40 | Select Health | ACA · 2026 | 21 | |
| 41 | WellPoint | ACA · 2026 | 21 | |
| 42 | Ambetter of Oklahoma | ACA · 2026 | 20 | |
| 43 | Blue Care Network of Michigan | ACA · 2026 | 20 | |
| 44 | Kaiser Permanente | ACA · 2026 | 19 | |
| 45 | Ambetter from NH Healthy Families | ACA · 2026 | 18 | |
| 46 | Ambetter of Alabama | ACA · 2026 | 18 | |
| 47 | CareSource (Common Ground Healthcare) | ACA · 2026 | 18 | |
| 48 | Ambetter Health of Delaware | ACA · 2026 | 17 | |
| 49 | PacificSource Health Plans | ACA · 2026 | 17 | |
| 50 | SummaCare | ACA · 2026 | 17 | |
| 51 | Ambetter from Arizona Complete Health | ACA · 2026 | 16 | |
| 52 | Ambetter from Buckeye Health Plan | ACA · 2026 | 16 | |
| 53 | Ambetter from Home State Health | ACA · 2026 | 16 | |
| 54 | Ambetter from Louisiana Healthcare Connections | ACA · 2026 | 16 | |
| 55 | Ambetter from Sunflower Health Plan | ACA · 2026 | 16 | |
| 56 | Ambetter of Tennessee | ACA · 2026 | 16 | |
| 57 | Antidote Health Plan of Arizona, Inc. | ACA · 2026 | 16 | |
| 58 | Cigna HealthCare of Arizona, Inc | ACA · 2026 | 16 | |
| 59 | HealthPartners | ACA · 2026 | 16 | |
| 60 | Oscar Health Insurance | ACA · 2026 | 16 | |
| 61 | Oscar Insurance Corporation of Ohio | ACA · 2026 | 16 | |
| 62 | Antidote Health Plan of Ohio, Inc. | ACA · 2026 | 15 | |
| 63 | Community Health Choice | ACA · 2026 | 15 | |
| 64 | Highmark Blue Cross Blue Shield Delaware | ACA · 2026 | 15 | |
| 65 | Highmark Blue Cross Blue Shield West Virginia | ACA · 2026 | 15 | |
| 66 | Mountain Health CO-OP | ACA · 2026 | 15 | |
| 67 | Ambetter from Magnolia Health | ACA · 2026 | 14 | |
| 68 | Blue Cross and Blue Shield of Alabama | ACA · 2026 | 14 | |
| 69 | Blue Cross Blue Shield of North Dakota | ACA · 2026 | 14 | |
| 70 | Regence BlueCross BlueShield of Oregon | ACA · 2026 | 14 | |
| 71 | Wellmark of South Dakota, Inc. | ACA · 2026 | 14 | |
| 72 | Wellpoint | ACA · 2026 | 13 | |
| 73 | Aspirus Health Plan | ACA · 2026 | 12 | |
| 74 | CommunityCare | ACA · 2026 | 12 | |
| 75 | Imperial Insurance Companies, Inc. | ACA · 2026 | 12 | |
| 76 | MedMutual | ACA · 2026 | 12 | |
| 77 | University of Utah Health Plans | ACA · 2026 | 12 | |
| 78 | Blue Cross Blue Shield of Wyoming | ACA · 2026 | 11 | |
| 79 | Providence Health Plan | ACA · 2026 | 11 | |
| 80 | Baylor Scott and White Health Plan | ACA · 2026 | 10 | |
| 81 | Alliant Health Plans, Inc. | ACA · 2026 | 9 | |
| 82 | Ambetter from Absolute Total Care | ACA · 2026 | 9 | |
| 83 | Ambetter from Meridian | ACA · 2026 | 9 | |
| 84 | Blue Cross and Blue Shield of Kansas, Inc. | ACA · 2026 | 9 | |
| 85 | Blue Cross Blue Shield of Michigan Mutual Insurance Company | ACA · 2026 | 9 | |
| 86 | Harvard Pilgrim Health Care | ACA · 2026 | 9 | |
| 87 | McLaren Health Plan Community | ACA · 2026 | 9 | |
| 88 | Medica | ACA · 2026 | 9 | |
| 89 | Blue Cross and Blue Shield of Louisiana | ACA · 2026 | 8 | |
| 90 | Capital Health Plan | ACA · 2026 | 8 | |
| 91 | First Choice Next | ACA · 2026 | 8 | |
| 92 | Health Advantage | ACA · 2026 | 8 | |
| 93 | Premera Blue Cross Blue Shield of Alaska | ACA · 2026 | 8 | |
| 94 | Regence BlueCross BlueShield of Utah | ACA · 2026 | 8 | |
| 95 | Arkansas Blue Cross and Blue Shield | ACA · 2026 | 7 | |
| 96 | Cox HealthPlans | ACA · 2026 | 7 | |
| 97 | HMSA | ACA · 2026 | 7 | |
| 98 | Sendero Health Plans, Local Nonprofit | ACA · 2026 | 7 | |
| 99 | Wellmark Health Plan of Iowa, Inc. | ACA · 2026 | 7 | |
| 100 | BridgeSpan Health Company | ACA · 2026 | 6 | |
| 101 | Mending Health | ACA · 2026 | 6 | |
| 102 | MercyCare Health Plans | ACA · 2026 | 6 | |
| 103 | Octave | ACA · 2026 | 6 | |
| 104 | 22 Health | ACA · 2026 | 5 | |
| 105 | Cigna HealthCare of Florida, Inc. | ACA · 2026 | 5 | |
| 106 | Imperial Health Plan of the Southwest, Inc. | ACA · 2026 | 5 | |
| 107 | InStil Health | ACA · 2026 | 5 | |
| 108 | Community First | ACA · 2026 | 4 | |
| 109 | Harbor Health | ACA · 2026 | 4 |
MEDICARE ADVANTAGE
Medicare Advantage, plan by plan.
1,300+ Medicare Advantage plans, under 150 contracts from 46 organisations, listing 1.48 million providers. 2027 plans are live in the API. Each answer names the plan, its plan year and whether the directory marks the provider as accepting new patients.
Michael Williard, MDOrthopedic Surgery · Gahanna, OH
36 Medicare Adv. plans| PLAN | NEW PATIENTS | EVIDENCE |
|---|---|---|
| Devoted Choice 001 OH (PPO) | Accepting | 2027 · 2026-10-29 |
| Devoted Core 001 OH (HMO) | Accepting | 2027 · 2026-10-29 |
Showing 2 of 36 Medicare Advantage plans · NPI 1184617268
FRESHNESS
Every row keeps its date.
We read each source on a regular cycle and keep the date of every read. That date comes back with each answer, so you can show it, sort by it or set your own rule for how recent an answer must be.
Network directories published by insurersinsurer_directory
Plan provider directoriesplan_directory
National provider registriesprovider_registry
Public plan catalogsplan_catalog
Dates from one real answer, NPI 1184617268:
marketplace plans · read 2026-07-27 and 2026-10-28
Medicare Advantage plans · read 2026-10-29
marketplace plans · read 2026-07-27 and 2026-10-28
Medicare Advantage plans · read 2026-10-29
How we count.
- Provider record
- One NPI with its name, credential, specialty and practice locations.
- Plan
- One medical plan as published for its plan year. Marketplace counts include plans whose directories list providers in our data.
- Provider-plan link
- One listing of one provider in one plan's network, with its source type and read date.
See the data before you pay.
Sample answers in JSON, a sample file and the field list. Then make 500 free calls a month against the full data.
FIGURES ON THIS PAGE
Provider records · national provider registriesProvider-plan links · insurer and plan directoriesMarketplace plans and insurers · public plan catalogsMedicare Advantage plans, contracts, organisations · public plan catalogsInsurer ledger · counted 2026-10-30Totals · counted 2026-10-30