County Plan Watch
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Which companies are expanding or shrinking Medicare Advantage for 2027

Counties where each parent company offers Medicare Advantage plans (excluding Special Needs Plans), 2026 compared with 2027, sorted by change.

Parent companyCounties 2026Counties 2027Change
Health Care Service Corporation948450-498
Centene Corporation1,7311,387-344
Blue Cross Blue Shield of Michigan Mutual Ins. Co.299106-193
UnitedHealth Group, Inc.2,5972,457-140
Group 10011380-138
CVS Health Corporation2,0831,960-123
Molina Healthcare, Inc.750-75
Humana Inc.2,6552,598-57
Elevance Health, Inc.952896-56
Blue Cross Blue Shield of Kansas516-45
CHRISTUS Health440-44
Aware Integrated, Inc.6635-31
Trinity Health Corporation162135-27
BlueCross BlueShield of Alabama9367-26
Medica Holding Company149126-23
Horizon Mutual Holdings, Inc210-21
Aspirus, Inc.210-21
Sanford Health133113-20
EmblemHealth, Inc.247-17
Blue Cross Blue Shield of Nebraska7661-15
Cambia Health Solutions, Inc.3118-13
Providence St Joseph Health130-13
PacificSource2716-11
Perennial Consortium, LLC4737-10
BMC Health System, Inc.100-10
Baylor Scott & White Health5041-9
Health First Shared Services, Inc.134-9
Presbyterian Healthcare Services80-8
Elderplan, Inc.80-8
HealthPartners, Inc.3427-7
Point32Health, Inc.1710-7
Memorial Hermann Health System60-6
Kaiser Foundation Health Plan, Inc.123118-5
MEDICAL MUTUAL OF OHIO4338-5
Intermountain Health Care, Inc.3328-5
Allina Health and Aetna Insurance Holding Company2015-5
Curana Health Holdings, LLC83-5
McLaren Health Care Corporation6057-3
BlueCross BlueShield of South Carolina (BCBSSC)3029-1
Aultman Health Foundation1110-1
Central Mass Health Holding LLC10-1
Sharp Healthcare10-1
Clover Health Holdings, Inc.203203+0
Highmark Health142142+0
The Health Plan of West Virginia, Inc.132132+0
CuraCor Solutions Corp.100100+0
BlueCross BlueShield of Tennessee9898+0
Risant Health, Inc.9696+0
Network Health, Inc.7272+0
Corewell Health6868+0
Guidewell Mutual Holding Corporation6767+0
Louisiana Health Service & Indemnity Company6464+0
USAble Mutual Insurance Company6262+0
MVP Health Care, Inc.5555+0
Group Health Cooperative of Eau Claire5050+0
Lifetime Healthcare, Inc.4848+0
Triton Health Systems, L.L.C.4040+0
Troy Holdings, Inc.3535+0
General Catalyst Group Management Holdings LP3333+0
Thomas Jefferson University2828+0
MHH Healthcare, L.P.2626+0
CareFirst, Inc.2525+0
Universal Health Services, Inc.2323+0
CAPITAL BLUE CROSS2121+0
Visiting Nurse Service of New York2020+0
LifeBridge Health, Inc.2020+0
CoxHealth1717+0
Ultimate Healthcare Holdings, LLC1616+0
Martin's Point Health Care, Inc.1616+0
University of Wisconsin Hospitals and Clincs Autho1414+0
Champion Health Plans-USA, LLC.1313+0
Fallon Community Health Plan, Inc.1212+0
Independence Health Group, Inc.1212+0
Blue Cross and Blue Shield of Massachusetts, Inc.1111+0
Healthfirst, Inc.1111+0
ATRIO Health Plans1111+0
Athena Healthcare Holdings, LLC1010+0
Eternal Health of Delaware, Inc.1010+0
Mass General Brigham Incorporated99+0
DOCTORS HEALTHCARE PLANS, INC.88+0
Independent Health Association, Inc.88+0
Village Care of New York, Inc.88+0
Astiva Health Holdings Incorporated66+0
Hawaii Medical Service Association55+0
Blue Cross & Blue Shield of Rhode Island55+0
Clever Care Health Plan, Inc.55+0
New York City Health and Hospitals Corporation55+0
Denver Health and Hospital Authority44+0
BayCare Health System, Inc.44+0
Baystate Health, Inc.44+0
Elite Health Systems, Inc.33+0
Blue Cross Blue Shield of Arizona33+0
Chinese Hospital Association33+0
El Paso County Hospital District22+0
Bexar County Hospital District11+0
Banner Health11+0
Montage Health11+0
The Regents of the University of California11+0
LMC Family Holdings, LLC11+0
Imperial Health Plan of California5051+1
SCAN Group3334+1
MedCare Partners Holding, LLC01+1
UPMC Health System6365+2
St Francis Health System & St John Health System3840+2
Johns Hopkins Healthcare LLC1820+2
California Physicians' Service1416+2
Henry Ford Health System5861+3
Verda Healthcare, Inc.69+3
MultiCare Health Systems03+3
West Virginia United Health System, Inc.5156+5
SIHO Holding, Inc.2834+6
St. Luke's Health System, Inc.07+7
Alignment Healthcare USA, LLC4554+9
Zing Health Consolidator, Inc5263+11
Gemstone Holdings, Inc.2435+11
Muscogee Creek Nation011+11
Lumeris Group Holdings Corporation7294+22
Singh Holdings LLC71116+45
Devoted Health, Inc.9991,341+342

Sources

  1. Centers for Medicare & Medicaid Services, CY2027 Medicare Advantage and Part D Landscape file (data last updated 18 October 2026)
  2. Centers for Medicare & Medicaid Services, CY2026 Medicare Advantage and Part D Landscape file (September 2026 release)

Checked 29 October 2026. Plans and premiums can change before 1 January 2027. Confirm any plan on Medicare.gov before you enrol.