Medicare Advantage enrollment, month by month · March 2026

Medicare Advantage enrollment in March 2026

35,624,833 people were in Medicare Advantage plans in March 2026, +0.4% on the month; the fifteen largest parent organizations had 83.5%.

35,624,833
Medicare Advantage enrollment
+0.4%
change on the month
168
parent organizations
25,195,493
stand-alone drug plan enrollment

The largest organizations

Parent organizationMedicare Advantage enrollmentShareChange on the monthDrug plan (PDP) enrollmentContracts
Unitedhealth Group, Inc.9,352,12526.3%−17,223 (−0.2%)3,785,02068
Humana Inc.7,108,00620.0%+69,812 (+1.0%)3,709,01639
Cvs Health Corporation4,108,17911.5%+11,728 (+0.3%)3,922,40143
Kaiser Foundation Health Plan, Inc.2,044,5395.7%+28,002 (+1.4%)49,80613
Elevance Health, Inc.1,907,8005.4%−7,139 (−0.4%)71,65048
Centene Corporation962,9682.7%+399 (+0.0%)8,792,42168
Health Care Service Corporation882,7832.5%+2,114 (+0.2%)2,747,45628
Blue Cross Blue Shield of Michigan Mutual Ins. Co.677,8841.9%−619 (−0.1%)24,8759
Devoted Health, Inc.477,5951.3%+9,750 (+2.1%)042
Scan Group438,3861.2%+6,906 (+1.6%)010
Highmark Health424,1341.2%+1,554 (+0.4%)21,08411
Mhh Healthcare, L.P.371,9911.0%+2,011 (+0.5%)02
Healthfirst, Inc.368,9031.0%+696 (+0.2%)04
Lifetime Healthcare, Inc.328,1830.9%+3,213 (+1.0%)5,0746
Aware Integrated, Inc.290,6090.8%+1,225 (+0.4%)03
Corewell Health284,0360.8%+799 (+0.3%)164
Alignment Healthcare USA, LLC281,9290.8%+4,719 (+1.7%)08
Guidewell Mutual Holding Corporation260,3720.7%−388 (−0.1%)47,5516
Molina Healthcare, Inc.230,9020.6%−1,834 (−0.8%)021
Upmc Health System227,1800.6%−289 (−0.1%)2,1326
Bluecross Blueshield of Tennessee217,0790.6%+500 (+0.2%)02
Curacor Solutions Corp.179,7270.5%+1,210 (+0.7%)30,6215
Clover Health Holdings, Inc.155,2000.4%+935 (+0.6%)02
Independence Health Group, Inc.151,4110.4%−364 (−0.2%)6,06511
Point32health, Inc.148,8430.4%−165 (−0.1%)06

Biggest movers on the month

Among organizations with 10,000 or more enrollees, the largest changes from the month before.

Parent organizationMedicare Advantage enrollmentShareChange on the monthDrug plan (PDP) enrollmentContracts
Humana Inc.7,108,00620.0%+69,812 (+1.0%)3,709,01639
Kaiser Foundation Health Plan, Inc.2,044,5395.7%+28,002 (+1.4%)49,80613
Unitedhealth Group, Inc.9,352,12526.3%−17,223 (−0.2%)3,785,02068
Cvs Health Corporation4,108,17911.5%+11,728 (+0.3%)3,922,40143
Devoted Health, Inc.477,5951.3%+9,750 (+2.1%)042
Elevance Health, Inc.1,907,8005.4%−7,139 (−0.4%)71,65048
Scan Group438,3861.2%+6,906 (+1.6%)010
Alignment Healthcare USA, LLC281,9290.8%+4,719 (+1.7%)08
Visiting Nurse Service of New York60,0600.2%+3,462 (+6.1%)01
Lifetime Healthcare, Inc.328,1830.9%+3,213 (+1.0%)5,0746

Every organization with Medicare Advantage enrollment in March 2026

All 168.

Parent organizationMedicare Advantage enrollmentShareChange on the monthDrug plan (PDP) enrollmentContracts
Unitedhealth Group, Inc.9,352,12526.3%−17,223 (−0.2%)3,785,02068
Humana Inc.7,108,00620.0%+69,812 (+1.0%)3,709,01639
Cvs Health Corporation4,108,17911.5%+11,728 (+0.3%)3,922,40143
Kaiser Foundation Health Plan, Inc.2,044,5395.7%+28,002 (+1.4%)49,80613
Elevance Health, Inc.1,907,8005.4%−7,139 (−0.4%)71,65048
Centene Corporation962,9682.7%+399 (+0.0%)8,792,42168
Health Care Service Corporation882,7832.5%+2,114 (+0.2%)2,747,45628
Blue Cross Blue Shield of Michigan Mutual Ins. Co.677,8841.9%−619 (−0.1%)24,8759
Devoted Health, Inc.477,5951.3%+9,750 (+2.1%)042
Scan Group438,3861.2%+6,906 (+1.6%)010
Highmark Health424,1341.2%+1,554 (+0.4%)21,08411
Mhh Healthcare, L.P.371,9911.0%+2,011 (+0.5%)02
Healthfirst, Inc.368,9031.0%+696 (+0.2%)04
Lifetime Healthcare, Inc.328,1830.9%+3,213 (+1.0%)5,0746
Aware Integrated, Inc.290,6090.8%+1,225 (+0.4%)03
Corewell Health284,0360.8%+799 (+0.3%)164
Alignment Healthcare USA, LLC281,9290.8%+4,719 (+1.7%)08
Guidewell Mutual Holding Corporation260,3720.7%−388 (−0.1%)47,5516
Molina Healthcare, Inc.230,9020.6%−1,834 (−0.8%)021
Upmc Health System227,1800.6%−289 (−0.1%)2,1326
Bluecross Blueshield of Tennessee217,0790.6%+500 (+0.2%)02
Curacor Solutions Corp.179,7270.5%+1,210 (+0.7%)30,6215
Clover Health Holdings, Inc.155,2000.4%+935 (+0.6%)02
Independence Health Group, Inc.151,4110.4%−364 (−0.2%)6,06511
Point32health, Inc.148,8430.4%−165 (−0.1%)06
Medica Holding Company137,0240.4%+1,890 (+1.4%)101,4237
Henry Ford Health System130,1720.4%+1,408 (+1.1%)04
Network Health, Inc.128,8280.4%+1,642 (+1.3%)03
California Physicians' Service124,5620.3%−446 (−0.4%)44,6405
Risant Health, Inc.118,9740.3%+913 (+0.8%)06
Bluecross Blueshield of Alabama118,2280.3%−117 (−0.1%)31,2283
Trinity Health Corporation100,5900.3%+660 (+0.7%)019
Sanford Health92,5830.3%+362 (+0.4%)07
Medical Mutual of Ohio90,2330.3%+302 (+0.3%)04
Blue Cross and Blue Shield of Massachusetts, Inc.86,1930.2%+778 (+0.9%)02
Blue Cross & Blue Shield of Rhode Island76,3280.2%−78 (−0.1%)02
Horizon Mutual Holdings, Inc76,0220.2%+429 (+0.6%)36,7903
Caresource75,9540.2%+740 (+1.0%)05
Cambia Health Solutions, Inc.73,2180.2%−142 (−0.2%)1,3569
Martin's Point Health Care, Inc.66,3660.2%+151 (+0.2%)02
Intermountain Health Care, Inc.66,1350.2%+127 (+0.2%)01
Providence St Joseph Health64,5690.2%+193 (+0.3%)01
Lumeris Group Holdings Corporation61,3700.2%+53 (+0.1%)02
Visiting Nurse Service of New York60,0600.2%+3,462 (+6.1%)01
Mvp Health Care, Inc.59,0060.2%+1,226 (+2.1%)2413
Healthpartners, Inc.58,5320.2%+482 (+0.8%)2,7365
Pacificsource55,8270.2%+286 (+0.5%)02
Louisiana Health Service & Indemnity Company55,3750.2%+76 (+0.1%)02
Allina Health and Aetna Insurance Holding Company54,8160.2%+777 (+1.4%)01
Presbyterian Healthcare Services54,1380.2%−24 (−0.0%)01
Carefirst, Inc.53,0300.1%+1,437 (+2.8%)5543
Triton Health Systems, L.L.C.52,5740.1%−77 (−0.1%)01
Blue Cross Blue Shield of Arizona51,7440.1%+426 (+0.8%)02
Capital Blue Cross51,0690.1%+80 (+0.2%)1,2073
Imperial Health Plan of California49,9130.1%+1,222 (+2.5%)01
Universal Health Services, Inc.49,0200.1%+705 (+1.5%)03
Bluecross Blueshield of South Carolina (Bcbssc)47,6610.1%+284 (+0.6%)14,7002
Baylor Scott & White Health46,7080.1%+288 (+0.6%)02
Clever Care Health Plan, Inc.46,3810.1%+1,560 (+3.5%)01
Independent Health Association, Inc.45,8620.1%+24 (+0.1%)7,2373
Astiva Health Holdings Incorporated43,8960.1%+1,918 (+4.6%)01
Lmc Family Holdings, LLC39,9010.1%+193 (+0.5%)01
Hawaii Medical Service Association39,2980.1%+37 (+0.1%)1,4793
Zing Health Consolidator, Inc39,0980.1%+1,434 (+3.8%)02
Inland Empire Health Plan38,7060.1%+92 (+0.2%)01
St Francis Health System & St John Health System38,0630.1%+56 (+0.1%)01
Emblemhealth, Inc.37,8680.1%0 (+0.0%)104,4764
Health First Shared Services, Inc.36,7750.1%+161 (+0.4%)01
Gemstone Holdings, Inc.36,1930.1%+330 (+0.9%)02
Atrio Health Plans35,4610.1%−94 (−0.3%)04
Summa Health34,8220.1%+93 (+0.3%)01
Local Initiative Health Authority for La County31,2950.1%−322 (−1.0%)01
Thomas Jefferson University29,9490.1%+754 (+2.6%)03
Blue Cross Blue Shield of Nebraska28,7120.1%−24 (−0.1%)02
Elderplan, Inc.25,7710.1%+4 (+0.0%)01
Doctors Healthcare Plans, Inc.24,3250.1%+590 (+2.5%)01
Fallon Community Health Plan, Inc.21,7680.1%+90 (+0.4%)04
University of Wisconsin Hospitals and Clincs Autho21,4770.1%−24 (−0.1%)02
Baycare Health System, Inc.20,6640.1%+167 (+0.8%)01
Athena Healthcare Holdings, LLC19,9890.1%+848 (+4.4%)01
Mass General Brigham Incorporated19,6540.1%+493 (+2.6%)05
Ultimate Healthcare Holdings, LLC19,3360.1%+622 (+3.3%)01
Sharp Healthcare19,0720.1%+109 (+0.6%)01
Orange County Health Authority18,6370.1%+73 (+0.4%)02
Banner Health17,9320.1%−75 (−0.4%)02
Johns Hopkins Healthcare LLC15,1810.0%−30 (−0.2%)03
Usable Mutual Insurance Company14,7460.0%+329 (+2.3%)19,6954
Aultman Health Foundation14,6490.0%+3 (+0.0%)01
Memorial Hermann Health System14,6300.0%+61 (+0.4%)01
Baystate Health, Inc.14,6020.0%+112 (+0.8%)02
The Health Plan of West Virginia, Inc.14,1690.0%+41 (+0.3%)02
Careoregon, Inc.13,9620.0%−370 (−2.6%)01
Lifebridge Health, Inc.13,1030.0%+359 (+2.8%)01
New York City Health and Hospitals Corporation12,9960.0%+179 (+1.4%)01
West Virginia United Health System, Inc.12,1760.0%+80 (+0.7%)01
Santa Clara County Health Authority11,7670.0%+6 (+0.1%)01
Neighborhood Health Plan of Rhode Island11,4170.0%+16 (+0.1%)02
The Regents of the University of California11,2340.0%+183 (+1.7%)01
Mercy Care10,7980.0%+38 (+0.4%)01
Siho Holding, Inc.10,4980.0%+115 (+1.1%)02
Blue Cross Blue Shield of Kansas10,3220.0%−8 (−0.1%)145,8752
Rifkin Managed Care Holding, LLC10,2380.0%−549 (−5.1%)08
Community Health Group10,1100.0%+131 (+1.3%)02
Sentara Health Care (Shc)9,9710.0%+102 (+1.0%)03
Village Care of New York, Inc.9,9090.0%+517 (+5.5%)01
Community Health Plan of Washington9,1150.0%−97 (−1.1%)01
Christus Health8,8580.0%+29 (+0.3%)01
Health Plan of San Mateo8,5060.0%+14 (+0.2%)01
Eternal Health of Delaware, Inc.8,4750.0%+380 (+4.7%)03
Montage Health8,3350.0%−3 (−0.0%)01
Mitchell Family Office8,1180.0%+90 (+1.1%)012
Central Mass Health Holding LLC7,2580.0%+99 (+1.4%)02
Longevity Health Founders, LLC6,6800.0%−55 (−0.8%)07
Group 10016,5050.0%−412 (−6.0%)05
Gold Kidney Health Plan6,2360.0%+289 (+4.9%)02
Aspirus, Inc.6,1650.0%+41 (+0.7%)01
Chinese Hospital Association5,8040.0%−6 (−0.1%)01
Champion Health Plans-USA, LLC.5,3860.0%+777 (+16.9%)02
Denver Health and Hospital Authority5,0910.0%−12 (−0.2%)01
Bmc Health System, Inc.5,0720.0%+163 (+3.3%)02
Coxhealth4,3890.0%+19 (+0.4%)01
Verda Healthcare, Inc.4,0280.0%−47 (−1.2%)02
Snp Holdings, LLC3,9370.0%−29 (−0.7%)02
Associated Care Ventures, Inc.3,8200.0%+20 (+0.5%)01
Unico Services, Inc.3,6280.0%+72 (+2.0%)02
Curana Health Holdings, LLC3,2520.0%+142 (+4.6%)05
Dlp Marquette Health Plan, LLC3,1310.0%+13 (+0.4%)01
Liberty Healthcare Insurance3,0450.0%−13 (−0.4%)01
Primewest Rural Mn Health Care Access Initiative2,7760.0%+20 (+0.7%)02
Regency Isnp Holdings LLC2,7580.0%+1 (+0.0%)01
Select Founders, LLC2,6830.0%+22 (+0.8%)01
Allcare Health, Inc.2,5030.0%−6 (−0.2%)01
Mclaren Health Care Corporation2,4730.0%−30 (−1.2%)01
Alohacare2,4720.0%+1 (+0.0%)01
The Schroer Group, Inc.2,2570.0%+42 (+1.9%)01
Perennial Consortium, LLC1,8390.0%+15 (+0.8%)02
Hamaspik of Rockland County, Inc.1,8140.0%+89 (+5.2%)01
Troy Holdings, Inc.1,7490.0%−14 (−0.8%)01
El Paso County Hospital District1,5740.0%+75 (+5.0%)01
South Country Health Alliance1,4840.0%−5 (−0.3%)02
Samaritan Health Services, Inc.1,4580.0%−20 (−1.4%)01
Independent Living Systems, LLC1,3940.0%+19 (+1.4%)01
Missouri Healthcare Advisors, LLC1,3180.0%−10 (−0.8%)01
Group Health Cooperative of Eau Claire1,2600.0%+62 (+5.2%)01
Fenyx Health Holdings, Inc.1,0960.0%+50 (+4.8%)01
First Sacramento Capital Funding LLC1,0440.0%+3 (+0.3%)01
Brightspring Health Services, Inc.1,0010.0%+26 (+2.7%)01
Harris County Hospital District9990.0%0 (+0.0%)01
Marquis Companies I, Inc.9170.0%+3 (+0.3%)01
Kansas Superior Select8640.0%+11 (+1.3%)01
Kern Health Systems (Khs)8370.0%+90 (+12.0%)01
Bexar County Hospital District6410.0%+26 (+4.2%)01
Aids Healthcare Foundation6070.0%+5 (+0.8%)01
Visiting Nurse Association of Central New York6010.0%+4 (+0.7%)01
Singh Holdings LLC5410.0%−61 (−10.1%)01
Santa Cruz Monterey Merced San Benito Mariposa Man5130.0%+36 (+7.5%)01
San Francisco Health Authority5090.0%+42 (+9.0%)01
Isnp Holdings, LLC5010.0%+9 (+1.8%)01
Ventura County Medi-Cal Managed Care Commission4530.0%+91 (+25.1%)01
Itasca County3280.0%−2 (−0.6%)01
Community Care, Inc.3120.0%−6 (−1.9%)02
Contra Costa Health Services2690.0%+31 (+13.0%)01
Santa Barbara San Luis Obispo Regional Health Auth2680.0%+50 (+22.9%)01
Imperial County Local Health Authority2500.0%+38 (+17.9%)01
Chapters Carenu Inc2360.0%+1 (+0.4%)01
San Joaquin County Health Commission2020.0%+13 (+6.9%)01
Alameda Alliance for Health1920.0%+28 (+17.1%)01
Elite Health Systems, Inc.370.0%0 (+0.0%)01

What the data can and cannot say

  • Enrollment is as CMS counts it for each contract in the month, grouped by the parent organization CMS records. CMS suppresses counts under eleven in this file, so totals run slightly below its summary report.
  • Medicare Advantage here is coordinated care plans (local and regional), private fee-for-service and medical savings account plans. Stand-alone prescription drug plans are shown separately; PACE, cost and HCPP plans, which are other Medicare health plans, are left out.
  • Month-to-month changes are largest at the start of a plan year, when the annual enrollment period takes effect.

Sources: CMS, Monthly Enrollment by Contract. Figures are as filed; none is estimated. Not investment advice.