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25 biggest provider-sponsored health plans include some of the nation's biggest systems

Health system-owned plans now represent 52 percent of health insurance products, AIS said.

Susan Morse, Senior Editor

Healthcare provider-sponsored health plans are gaining in popularity, with nearly 300 plans owned by health systems now on the market, according to the 2016 Directory of Health Plans by Atlantic Information Services, an independent service information provider specializing in healthcare information.

[Also: Power couple: Marshfield Clinic's marriage between health system and health plan is paying off]

But while many small systems have their own plans, the 25 largest plans by enrollment are largely dominated by some of the biggest healthcare providers in the United States. The list below shows those 25 plans, according to the latest AIS numbers. They are based on 2016 enrollment.

Insurer State(s) Total Medical Enrollment Commercial? Medicaid? Medicare?
Insurer State(s) Total Medical Enrollment Commercial? Medicaid? Medicare?
Kaiser Foundation Health Plan California, plus Medicare Advantage in other states. 7,809,009 Yes Yes Yes
AmeriHealth Caritas Family of Companies Pennsylvania 2,897,804 No Yes No
Healthfirst New York 1,182,300 Yes Yes Yes
UPMC Health Plan Pennsylvania 1,132,391 Yes Yes Yes
HealthPartners Minnesota 1,013,889 Yes Yes Yes
SelectHealth Utah 869,449 Yes Yes Yes
Priority Health Michigan 714,013 Yes Yes Yes
Kaiser Foundation Health Plan of Colorado Colorado 668,036 Yes Yes Yes
Kaiser Foundation Health Plan of the Mid-Atlantic States D.C., Maryland, Virginia 656,541 Yes Yes Yes
Providence Health Plan Washington 584,301 Yes No Yes
Group Health Cooperative Idaho, Washington 575,980 Yes No Yes
Health Alliance Plan of Michigan Michigan 556,050 Yes Yes Yes
AultCare Insurance Company Ohio 508,748 Yes No Yes
Geisinger Health Plan New Jersey, Pennsylvania 508,531 Yes Yes Yes
MetroPlus Health Plan New York 487,657 Yes Yes Yes
Kaiser Foundation Health Plan of the Northwest Oregon, Washington plus Medicare Advantage in other states 476,947 Yes No Yes
Presbyterian Health Plan/Presbyterian Insurance Company New Mexico 469,691 Yes Yes Yes
Sentara Health Plans (Optima Health) Virginia and nationwide 458,798 Yes Yes Yes
Neighborhood Health Plan Massachusetts 455,282 Yes Yes No
Capital District Physicians' Health Plan (CDPHP) New York 447,608 Yes Yes Yes
MDWise Indiana 438,770 Yes Yes No
Health Alliance Medical Plans Illinois, Nebraska, Washington 402,071 Yes Yes Yes
Mercy Care Plan Arizona 399,306 No Yes No
Texas Children's Health Plan Texas 387,899 No Yes No
Community Health Plan of Washington (CHPW) Washington 306,707 Yes Yes Yes

Twitter: @SusanJMorse

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