Rankings are based on enrollment totals for 2021 from S&P Capital IQ. 2022 enrollment data is expected in mid-2023, according to ValuePenguin.
The largest payer in each state by market share:
1. Alabama: BCBS
2. Alaska: Premera Blue Cross
3. Arizona: BCBS
4. Arkansas: BCBS
5. California: Anthem
6. Colorado: Anthem
7. Connecticut: Anthem
8. Delaware: Highmark
9. District of Columbia: CareFirst BCBS
10. Florida: Florida Blue
11. Georgia: Anthem
12. Hawaii: Hawaii Medical Service Association (BCBS)
13. Idaho: UnitedHealthcare
14. Illinois: BCBS
15. Indiana: Anthem
16. Iowa: Wellmark BCBS
17. Kansas: Centene
18. Kentucky: Anthem
19. Louisiana: UnitedHealthcare
20. Maine: Anthem
21. Maryland: CareFirst BCBS
22. Massachusetts: BCBS
23. Michigan: BlCBS
24. Minnesota: BCBS
25. Mississippi: BCBS
26. Missouri: Anthem
27. Montana: BCBS
28. Nebraska: UnitedHealthcare
29. Nevada: UnitedHealthcare
30. New Hampshire: Anthem
31. New Jersey: Cigna
32. New Mexico: Presbyterian Healthcare Services
33. New York: UnitedHealthcare
34. North Carolina: BCBS
35. North Dakota: BCBS
36. Ohio: Anthem
37. Oklahoma: BCBS
38. Oregon: PacificSource
39. Pennsylvania: UPMC Health Plan
40. Rhode Island: BCBS
41. South Carolina: BCBS
42. South Dakota: Wellmark
43. Tennessee: BCBS
44. Texas: BCBS
45. Utah: Intermountain Healthcare
46. Vermont: BCBS
47. Virginia: Anthem
48. Washington: Molina Healthcare
49. West Virginia: Aetna
50. Wisconsin: Anthem
51. Wyoming: BCBS
