Provider Spotlight

Centene Corp.

Medicare Advantage enrollment, state footprint, Star Rating, and multi-year growth — sourced live from CMS contract files.

Total contract enrollment · Oct 2026 · CNC

9,903,679

across 32 active states · member-weighted Star Rating 3.38 (2026)

+0.3%

Month-over-Month

+8.5%

Year-over-Year

13.6%

CAGR (5yr)

5-Year Enrollment History Year-end (December) snapshots · current year as of Oct 2026

State Footprint Oct 2026

Select state

5-Year Annual Enrollment

Snapshot	Enrollment	Net YoY	YoY %
2026-Oct (latest — partial year)	9,903,679	+779,953	+8.5%
2025-Dec	9,123,726	+1,072,739	+13.3%
2024-Dec	8,050,987	+2,137,051	+36.1%
2023-Dec	5,913,936	+153,070	+2.7%
2022-Dec	5,760,866	+408,111	+7.6%
2021-Dec	5,352,755	—	—

Month-over-Month Enrollment — Past 12 Months

Month	Enrollment	Net MoM	MoM %
2026-Oct	9,903,679	+33,365	+0.3%
2026-Sep	9,870,314	+36,699	+0.4%
2026-Aug	9,833,615	+48,912	+0.5%
2026-Jul	9,784,703	+33,406	+0.3%
2026-Jun	9,751,297	-76,596	-0.8%
2026-May	9,827,893	+33,297	+0.3%
2026-Apr	9,794,596	+39,207	+0.4%
2026-Mar	9,755,389	+35,346	+0.4%
2026-Feb	9,720,043	+132,249	+1.4%
2026-Jan	9,587,794	+464,068	+5.1%
2025-Dec	9,123,726	+52,246	+0.6%
2025-Nov	9,071,480	+38,361	+0.4%

State-by-State Enrollment

State	Code	Enrollment	Counties	Share of Provider
New York	NY	161,600	62	1.63%
Texas	TX	106,842	156	1.08%
California	CA	81,458	29	0.82%
Florida	FL	48,520	62	0.49%
Illinois	IL	48,357	96	0.49%
Arizona	AZ	46,541	15	0.47%
Kentucky	KY	39,359	120	0.40%
Oregon	OR	36,097	14	0.36%
Washington	WA	33,381	39	0.34%
Georgia	GA	31,824	134	0.32%
Michigan	MI	30,274	49	0.31%
South Carolina	SC	24,967	46	0.25%
Arkansas	AR	24,249	75	0.24%
Mississippi	MS	23,394	55	0.24%
Maine	ME	20,878	16	0.21%
Ohio	OH	15,693	86	0.16%
Pennsylvania	PA	14,430	63	0.15%
Iowa	IA	12,881	74	0.13%
New Jersey	NJ	12,712	20	0.13%
Wisconsin	WI	12,710	35	0.13%
North Carolina	NC	12,409	71	0.13%
Connecticut	CT	12,041	8	0.12%
Indiana	IN	10,304	81	0.10%
Louisiana	LA	9,901	45	0.10%
Tennessee	TN	9,844	92	0.10%
Missouri	MO	6,936	58	0.07%
Nebraska	NE	5,168	40	0.05%
Delaware	DE	3,898	3	0.04%
Nevada	NV	3,255	8	0.03%
Kansas	KS	2,707	29	0.03%
Oklahoma	OK	2,284	30	0.02%
Hawaii	HI	1,862	4	0.02%

State totals sum to slightly less than the provider's contract-level enrollment. CMS suppresses any county–contract cell with 10 or fewer enrollees for HIPAA privacy, so those small slivers don't appear in the state/county file but are still counted in the contract total.