2027 Star Ratings: Humana is the big winner
3.8M Humana members moved into 4+ star contracts. UnitedHealth moved 1.6M below 4.
By Mike Zehrer · Plan years 2026–2027 · AEP 2027 · CMS Star Ratings
42%
2026
95.1%
2027
▲ +53.1 pts vs 2026
Share of members in 4+ star contracts: Humana (6.98M members)
The 4+ share barely moved: 72% → 71% of members.
Members in 4+ star contracts
71.1%
from 71.7% under 2026 stars
Contracts at 4+ stars
188
from 229 for 2026
5-star contracts
15
from 22 for 2026
4.69M members are in 35 contracts that moved up to 4+ stars; 4.88M are in 72 contracts that fell below 4. Of 468 contracts rated both years, 88 went up, 183 went down and 197 held.
| 5.0 stars | 22 | 15 | 903K | 778K |
|---|---|---|---|---|
| 4.5 stars | 89 | 65 | 14.78M | 11.28M |
| 4.0 stars | 118 | 108 | 8.88M | 12.43M |
| 3.5 stars | 167 | 164 | 7.59M | 6.82M |
| 3.0 stars | 97 | 124 | 2.01M | 3.03M |
| 2.5 stars | 21 | 31 | 97K | 273K |
| 2.0 stars | 2 | 1 | 12K | 4K |
Member shares: 34.27M members in MA contracts rated both years. Contract counts: every contract CMS rated each year. Members = Sept 2026 CPSC enrollment, the same for both years, so changes reflect ratings, not enrollment. Source: CMS Star Ratings, CPSC.
Humana went from 42% → 95% of members at 4+ stars.
| Humana (6.98M members) | 42% | 95.1% |
|---|---|---|
| UnitedHealth (9.06M members) | 82.7% | 68.2% |
| CVS (Aetna) (4.06M members) | 85% | 70.2% |
| Kaiser (2.06M members) | 100% | 100% |
| Elevance (1.74M members) | 57% | 48.1% |
| HCSC (851K members) | 54.2% | 12.7% |
| Centene (749K members) | 19.8% | 10.5% |
| Healthfirst (372K members) | 95.8% | 0% |
Largest parents by members in contracts rated both years; Members = Sept 2026 CPSC enrollment, the same for both years, so changes reflect ratings, not enrollment. Source: CMS Star Ratings, CPSC.
UnitedHealth lost the most: 1.6M members fell below 4 stars.
| Humana | 3,829,823 | 124,500 | ▲ +3.71M |
|---|---|---|---|
| Medica | 138,761 | 0 | ▲ +139K |
| VNS Health | 72,022 | 0 | ▲ +72K |
| Imperial Health Plan of California | 52,613 | 0 | ▲ +53K |
| Sharp Healthcare | 19,745 | 0 | ▲ +20K |
| Cambia Health Solutions, Inc. | 18,044 | 0 | ▲ +18K |
| California Physicians' Service | 14,817 | 0 | ▲ +15K |
| Lumeris Group Holdings Corporation | 10,786 | 0 | ▲ +11K |
| Johns Hopkins Healthcare LLC | 6,758 | 0 | ▲ +7K |
| Devoted Health, Inc. | 17,040 | 13,849 | ▲ +3K |
| Hamaspik of Rockland County, Inc. | 2,499 | 0 | ▲ +2K |
| Curana Health Holdings, LLC | 1,457 | 0 | ▲ +1K |
| Mitchell Family Office | 0 | 1,766 | ▼ −2K |
| Rifkin Managed Care Holding, LLC | 0 | 1,941 | ▼ −2K |
| Point32Health, Inc. | 0 | 2,028 | ▼ −2K |
| PrimeWest Rural MN Health Care Access Initiative | 0 | 2,194 | ▼ −2K |
| SIHO Holding, Inc. | 0 | 2,258 | ▼ −2K |
| The Schroer Group, Inc. | 0 | 2,293 | ▼ −2K |
| Fallon Community Health Plan, Inc. | 0 | 10,095 | ▼ −10K |
| Aware Integrated, Inc. | 0 | 15,034 | ▼ −15K |
| SCAN Group | 0 | 17,421 | ▼ −17K |
| Risant Health, Inc. | 0 | 18,885 | ▼ −19K |
| MHH Healthcare, L.P. | 0 | 19,144 | ▼ −19K |
| Mass General Brigham Incorporated | 0 | 20,186 | ▼ −20K |
| Ultimate Healthcare Holdings, LLC | 0 | 21,960 | ▼ −22K |
| Independence Health Group, Inc. | 0 | 23,026 | ▼ −23K |
| Universal Health Services, Inc. | 0 | 23,257 | ▼ −23K |
| MVP Health Care, Inc. | 0 | 26,748 | ▼ −27K |
| Louisiana Health Service & Indemnity Company | 0 | 35,502 | ▼ −36K |
| CareSource | 0 | 36,121 | ▼ −36K |
| UPMC Health System | 0 | 37,422 | ▼ −37K |
| Blue Cross Blue Shield of Arizona | 0 | 38,764 | ▼ −39K |
| Henry Ford Health System | 0 | 40,310 | ▼ −40K |
| Guidewell Mutual Holding Corporation | 5,890 | 46,256 | ▼ −40K |
| Highmark Health | 0 | 44,607 | ▼ −45K |
| CareFirst, Inc. | 0 | 45,681 | ▼ −46K |
| BlueCross BlueShield of South Carolina (BCBSSC) | 0 | 49,034 | ▼ −49K |
| Allina Health and Aetna Insurance Holding Company | 0 | 56,605 | ▼ −57K |
| MEDICAL MUTUAL OF OHIO | 0 | 60,688 | ▼ −61K |
| Martin's Point Health Care, Inc. | 0 | 62,512 | ▼ −63K |
| Lifetime Healthcare, Inc. | 0 | 69,553 | ▼ −70K |
| Centene | 1,395 | 71,357 | ▼ −70K |
| Trinity Health Corporation | 0 | 74,123 | ▼ −74K |
| Blue Cross & Blue Shield of Rhode Island | 0 | 74,151 | ▼ −74K |
| Elevance | 0 | 154,355 | ▼ −154K |
| BCBS Tennessee | 0 | 187,189 | ▼ −187K |
| Alignment | 0 | 223,614 | ▼ −224K |
| HCSC | 93,404 | 447,301 | ▼ −354K |
| Healthfirst | 0 | 356,329 | ▼ −356K |
| CVS (Aetna) | 106,557 | 709,411 | ▼ −603K |
| UnitedHealth | 299,640 | 1,612,245 | ▼ −1.31M |
Members in contracts that crossed 4.0 stars in either direction, by CMS parent organization; the 10 largest are charted and the table lists all 51. Members = Sept 2026 CPSC enrollment, the same for both years, so changes reflect ratings, not enrollment. Source: CMS Star Ratings, CPSC.
46 contracts moved a full star or more.
| H5619 Humana | Humana | 3.0 | 4.0 | ▲ +1.0 | 479,117 |
|---|---|---|---|---|---|
| H4513 HealthSpring | HCSC | 4.5 | 3.5 | ▼ −1.0 | 383,728 |
| H3359 Healthfirst Medicare Plan | Healthfirst | 4.5 | 3.5 | ▼ −1.0 | 356,329 |
| H0028 Humana | Humana | 3.5 | 4.5 | ▲ +1.0 | 323,741 |
| H0543 UnitedHealthcare | UnitedHealth | 4.0 | 3.0 | ▼ −1.0 | 249,713 |
| H1961 Peoples Health | UnitedHealth | 4.5 | 3.5 | ▼ −1.0 | 155,408 |
| H3388 CDPHP Medicare Advantage | Lifetime Healthcare, Inc. | 4.5 | 3.5 | ▼ −1.0 | 69,553 |
| H3668 MediGold | Trinity Health Corporation | 4.5 | 3.5 | ▼ −1.0 | 57,634 |
| H3146 Aetna Medicare | CVS (Aetna) | 4.5 | 3.5 | ▼ −1.0 | 57,085 |
| H3256 UnitedHealthcare | UnitedHealth | 5.0 | 3.5 | ▼ −1.5 | 55,683 |
| H7379 CareFirst BlueCross BlueShield Medicare Advantage | CareFirst, Inc. | 4.0 | 2.5 | ▼ −1.5 | 45,681 |
| H5302 Aetna Medicare | CVS (Aetna) | 4.5 | 3.5 | ▼ −1.0 | 44,080 |
| H4937 Blue Shield of California | California Physicians' Service | 3.5 | 2.5 | ▼ −1.0 | 43,779 |
| H0302 Blue Cross Blue Shield of Arizona (AZ Blue) | Blue Cross Blue Shield of Arizona | 4.5 | 3.5 | ▼ −1.0 | 38,764 |
| H4624 Zing Health | Zing Health Consolidator, Inc | 2.5 | 3.5 | ▲ +1.0 | 37,696 |
The 15 largest of the 46 contracts whose Overall rating moved 1.0 star or more (13 up, 33 down). Members = Sept 2026 CPSC enrollment, the same for both years, so changes reflect ratings, not enrollment. Source: CMS Star Ratings, CPSC.
Montana went from 20% → 93% of members at 4+ stars.
| Montana (Biggest gain) | 19.6% | 93.2% |
|---|---|---|
| New Hampshire (Biggest gain) | 48.1% | 91.5% |
| West Virginia (Biggest gain) | 31.9% | 75.2% |
| Illinois (Biggest gain) | 49.5% | 82.3% |
| Kentucky (Biggest gain) | 38.1% | 68.4% |
| Rhode Island (Biggest drop) | 94.6% | 38.5% |
| Georgia (Biggest drop) | 79.2% | 47.3% |
| Louisiana (Biggest drop) | 85.9% | 54.7% |
| Tennessee (Biggest drop) | 77.3% | 47.2% |
| Wyoming (Biggest drop) | 77.2% | 49% |
Members by state of residence (CPSC county enrollment) in contracts rated both years. Members = Sept 2026 CPSC enrollment, the same for both years, so changes reflect ratings, not enrollment. Source: CMS Star Ratings, CPSC.
15 five-star contracts cover 778K members.
| H5577 MCS Classicare | MHH Healthcare, L.P. | 5.0 | 358,010 | PR |
|---|---|---|---|---|
| H5141 Clover Health | Clover Health Holdings, Inc. | 4.5 | 153,033 | NJ, GA, SC, PA, TX |
| H5774 Triple S Advantage | Guidewell Mutual Holding Corporation | 4.5 | 117,745 | PR |
| H0710 UnitedHealthcare | UnitedHealth | 4.5 | 44,775 | PA, FL, OH, WA, CT, NJ, OR, NC, VA, MD, CO, RI, MO, TX, AZ, AL, GA, IL, IN, NH, DE, OK, MS, ME, UT, SC |
| H4286 Leon Health, Inc. | LMC Family Holdings, LLC | 5.0 | 40,453 | FL |
| H2960 Kaiser Permanente | Kaiser | 5.0 | 21,749 | NV, CA |
| H8947 Peak Health | West Virginia United Health System, Inc. | 4.5 | 12,650 | WV, PA |
| H6988 Anthem Blue Cross and Blue Shield HP | Elevance | 5.0 | 9,124 | NY |
| H2292 UnitedHealthcare | UnitedHealth | 4.5 | 8,822 | NY |
| H5652 UnitedHealthcare | UnitedHealth | 5.0 | 6,859 | PA, MD, VA, TX, NJ, CO, MA, KS, MI, NC, FL |
| H7557 Longevity Health Plan | Longevity Health Founders, LLC | Not rated | 1,310 | MI |
| H9942 Longevity Health Plan | Longevity Health Founders, LLC | 5.0 | 1,086 | NJ |
| H9590 Longevity Health | Longevity Health Founders, LLC | 5.0 | 966 | IL |
| H5374 Longevity Health Plan | Longevity Health Founders, LLC | 5.0 | 876 | NC |
| H1644 Longevity Health Plan | Longevity Health Founders, LLC | Not rated | 798 | FL |
Contracts with a 2027 Overall rating of 5.0, down from 22 contracts and 903K members. Members = Sept 2026 CPSC enrollment. Source: CMS Star Ratings, CPSC.
Every state, ranked.
Share of members in 4+ star contracts, 2027 Star Ratings. Sept 2026 MA members by state of residence, in contracts rated both years (the same population as the state chart). Select a state to see it on the map.
Gray: no reported value
Highest
VI
100%
Lowest: Nebraska, 37.5%
53 states and territories with a reported value
No state matches that search.
Puerto Rico appears in this list; the map projection omits it. CMS 2027 Star Ratings (Oct 8, 2026 data table), CPSC (Sept 2026).