Physician practices by state
PlanOptica tracks 2,898 health and welfare plans sponsored by 2,487 physician practices in the United States, covering 1,307,449 participants and $7.7B in reported insurance premiums (plan year 2024 to 2025 filings). The median plan has 161 participants, and the most common size is 100 to 249 participants (35% of plans). The funding mix is split: 55% of plans are self-funded or mixed and the rest are mainly fully insured.
Kaiser Foundation Health Plan, Inc leads by premium with a 38% share, followed by Blue Cross Blue Shield of Texas at 18%. Marsh & McLennan Agency LLC is the broker of record on 240 plans, more than any other firm, ahead of Gallagher Benefit Services, Inc (201). 71% of plans report broker compensation on Schedule A; the median brokered plan pays $63K a year, about 7.2% of premium. CA, FL and TX have the most plans of any state.
Funding mix
- Fully insured1,224 · 42%
- Mixed819 · 28%
- Self-funded773 · 27%
- MEWA68 · 2%
- Unknown14 · 0%
Plan size (participants)
- Under 100894 · 31%
- 100 to 2491,025 · 35%
- 250 to 499512 · 18%
- 500 to 999256 · 9%
- 1,000 or more211 · 7%
Median plan: 161 participants. Median broker comp: 7.2% of premium across 2,061 brokered plans.
Top carriers, physicians, the U.S.
- 1Kaiser Foundation Health Plan, Inc$2.9B88 plans · 38.1%
- 2Blue Cross Blue Shield of Texas$1.4B488 plans · 17.6%
- 3Unitedhealthcare Insurance Company$384M179 plans · 5.0%
- 4Cigna Health and Life Insurance Company$326M185 plans · 4.2%
- 5Standard Insurance Company$232M167 plans · 3.0%
- 6Metropolitan Life Insurance Company$204M272 plans · 2.6%
- 7Delta Dental of California$183M350 plans · 2.4%
- 8Unum Life Insurance Company of America$159M382 plans · 2.1%
- 9Life Insurance Company of North America$139M121 plans · 1.8%
- 10Hartford Life and Accident$134M213 plans · 1.7%
Top brokers, physicians, the U.S.
- 1Marsh & McLennan Agency LLC240 plans$16M comp · 11.6%
- 2Gallagher Benefit Services, Inc201 plans$15M comp · 9.8%
- 3Hub International Midwest Limited177 plans$12M comp · 8.6%
- 4Usi Insurance Services LLC156 plans$9.5M comp · 7.6%
- 5Lockton Companies, LLC132 plans$13M comp · 6.4%
- 6Emerson Rogers, LLC105 plans$3.3M comp · 5.1%
- 7Digital Insurance LLC97 plans$8.5M comp · 4.7%
- 8Brown & Brown Insurance Services81 plans$7.0M comp · 3.9%
- 9Centro Benefits Research LLC80 plans$1.2M comp · 3.9%
- 10Mgis77 plans$14K comp · 3.7%
Largest physician practices nationally
| Employer / plan | Location | Funding | Participants | Premium | Primary carrier |
|---|---|---|---|---|---|
| Mayo Clinic Mayo Clinic Health & Welfare Benefits PlanAll plans | Rochester, MN | Mixed | 86,692 | $79M | Prudential Insurance Company of America |
| Prohealth Physicians, P.C Optumcare Group Benefits PlanAll plans | Farmington, CT | Mixed | 35,206 | $73M | Unitedhealthcare Insurance Company |
| Board of Trustees of Teamster Center Services Fund Teamster Center Services FundAll plans | New York, NY | Unknown | 28,830 | - | - |
| Emory Healthcare Inc Emory Healthcare Inc Master Welfare BenefitAll plans | Atlanta, GA | Fully insured | 23,902 | $27M | Unum Life Insurance Company of America |
| Molina Healthcare, Inc Molina Healthcare, Inc. Health and Welfare PlanAll plans | Long Beach, CA | Fully insured | 18,620 | $21M | United of Omaha Life Insurance Company |
| U.S. Oncology, Inc U.S. Oncology Health and Welfare Wrap PlanAll plans | The Woodlands, TX | MEWA | 17,561 | $281M | Blue Cross of California |
| Dartmouth-Hitchcock Clinic Dartmouth-Hitchcock Medical, Dental, and Flexible Benefits PlanAll plans | Lebanon, NH | Mixed | 15,560 | $842K | Red Tree Insurance Company, Inc |
| Ameriteam Services Teamhealth Welfare Benefit PlanAll plans | Knoxville, TN | Fully insured | 13,309 | $21M | Aflac |
| Village Practice Management Company, LLC Village Practice Management Wrap PlanAll plans | Berkeley Heights, NJ | Mixed | 10,716 | $10M | Prudential Insurance Company of America |
| Oneoncology, LLC Oneoncology, LLC Health and Welfare Benefits PlanAll plans | Nashville, TN | MEWA | 10,676 | $15M | Delta Dental of California |
| Unified Women's Healthcare, LP Unified Physician Management Welfare Benefit PlanAll plans | Tampa, FL | Fully insured | 10,595 | $13M | Metropolitan Life Insurance Company |
| The Permanente Medical Group, Inc The Permanente Medical Group, Inc. Physicians' Welfare Benefit Plan for Active PhysiciansAll plans | Pleasanton, CA | Mixed | 10,110 | $391M | Kaiser Foundation Health Plan Inc |
| Marshfield Clinic Health System, Inc Travel Accident PlanAll plans | Marshfield, WI | Unknown | 9,899 | - | - |
| Prospect Medical Holdings, Inc Prospect Medical Group Employee Benefit PlanAll plans | Culver City, CA | Mixed | 9,738 | $9.9M | Standard Insurance Company |
| Midwest Physician Administrative Services, LLC Dba Duly Health & Care Midwest Physician Administrative Services, LLC Dba Duly Health & Care Health & Welfare PlanAll plans | Downers Grove, IL | MEWA | 6,131 | $10M | The Lincoln National Life Insurance Company |
Showing 15 of 2,487 employers. Filter the full list by size, funding, carrier and broker.
Plans by state
- California261 plans
- Florida234 plans
- Texas195 plans
- Georgia185 plans
- Ohio169 plans
- New York141 plans
- North Carolina97 plans
- Tennessee97 plans
- Pennsylvania93 plans
- Minnesota76 plans
- New Jersey72 plans
- Washington71 plans
- Virginia69 plans
- Indiana68 plans
- Kentucky66 plans
- Missouri65 plans
- Michigan62 plans
- Illinois58 plans
- Arizona57 plans
- Massachusetts49 plans
- Iowa48 plans
- Colorado47 plans
- Wisconsin47 plans
- Oregon46 plans
- Maryland43 plans
- Alabama37 plans
- South Carolina37 plans
- Louisiana34 plans
- Kansas33 plans
- Connecticut29 plans
- Nebraska27 plans
- Arkansas26 plans
- Oklahoma25 plans
- Mississippi24 plans
- West Virginia24 plans
- Utah23 plans
- Idaho18 plans
- Nevada18 plans
- Delaware17 plans
- Hawaii14 plans
- Maine13 plans
- New Mexico13 plans
- South Dakota13 plans
- New Hampshire10 plans
- Vermont8 plans
- District of Columbia7 plans
- Montana7 plans
- Alaska5 plans
- Rhode Island5 plans
- North Dakota4 plans
- Wyoming4 plans
Frequently asked questions
How many physician practices offer an ERISA health plan?
2,898 health and welfare plans from 2,487 physician practices appear in plan year 2024 to 2025 filings on Form 5500, covering 1,307,449 participants. Plans with fewer than 100 participants that are fully insured do not have to file, so small practices are under-counted.
Which insurance carriers cover the most physician practices?
By Schedule A premium: Kaiser Foundation Health Plan, Inc (38% of premium, 88 plans), Blue Cross Blue Shield of Texas (18% of premium, 488 plans) and Unitedhealthcare Insurance Company (5% of premium, 179 plans).
Which benefits brokers work with physician practices?
By number of client plans: Marsh & McLennan Agency LLC (240 plans), Gallagher Benefit Services, Inc (201 plans) and Hub International Midwest Limited (177 plans). 71% of plans report a broker.
How much do brokers earn on physician practices health plans?
The median brokered plan reports $63K a year in broker commissions and fees, or 7.2% of premium. Figures come from Schedule A, Part I.
Are physician practices health plans self-funded or fully insured?
Fully insured 42%, mixed 28% and self-funded 27%. Self-funded and mixed plans together make up 55%.
Where does this data come from?
U.S. Department of Labor Form 5500 filings and their Schedule A insurance attachments, latest filing per plan. Offices of physicians (NAICS 621111) and of mental health physicians (621112).
Prospect physician practices in your territory
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Other healthcare specialties
Source: U.S. Department of Labor Form 5500 and Schedule A, latest filing per plan (plan years 2024-2025). Offices of physicians (NAICS 621111) and of mental health physicians (621112).