Medicare Advantage in San Diego County, CA, for 2027.
CMS lists 85 Medicare Advantage plans here for 2027, 8 fewer than 2026 (93). 332,884 people in the county had an individual Medicare Advantage plan in October 2026.
Sources: CMS CY2027 plan file (October 2026 release), CMS CY2026 plan file (September 2026 release), CMS enrollment by county (CPSC), October 2026, CMS 2027 Plan Crosswalk (October 1, 2026), CMS 2027 Star Ratings Data Tables (October 8, 2026). Member counts are floors because CMS hides counts of 10 or fewer.
The county in numbers
Plans that end here for 2027
28 plans with members in the county end or leave it, plus 363 with 10 or fewer members here. CMS moves 641 members to another plan, and 249,680 stay in the same plan.
| Plan | Insurer | Members | Why |
|---|---|---|---|
| Sharp Direct Advantage VIP (HMO) | Sharp Healthcare | 10,099 | Plan terminated |
| Sharp Direct Advantage VIP Plus (HMO) | Sharp Healthcare | 4,574 | Plan terminated |
| HumanaChoice H5525-077 (PPO) | Humana | 3,186 | Plan terminated |
| Aetna Medicare Signature (PPO) | CVS Health | 2,542 | Plan terminated |
| Sharp Direct Advantage Gold (HMO) | Sharp Healthcare | 2,022 | Plan terminated |
| Aetna Medicare Enhanced (PPO) | CVS Health | 1,353 | Plan terminated |
| Aetna Medicare Signature (HMO) | CVS Health | 1,338 | Plan terminated |
| Central Health Part B Savings Plan (HMO) | Molina Healthcare | 673 | Plan terminated |
| Alignment Health Advantage PPO (PPO) | Alignment Healthcare USA | 616 | Plan leaves this county |
| Sharp Direct Advantage Platinum (HMO) | Sharp Healthcare | 611 | Plan terminated |
Where CMS moves members
| 2026 plan | 2027 plan | Members |
|---|---|---|
| SCAN MyChoice (HMO) | SCAN Alta (HMO) | 316 |
| Anthem Kidney Care (PPO C-SNP) | Anthem Kidney Care (PPO C-SNP) | 185 |
| SCAN Affirm partnered with Included LGBTQ+ Health (HMO) | SCAN Alta (HMO) | 140 |
Who holds the members
- Kaiser Foundation Health Plan113,410
- UnitedHealth68,636
- SCAN Group29,418
- Alignment Healthcare USA21,073
- Sharp Healthcare19,782
- Molina Healthcare15,051
Individual Medicare Advantage members by parent company, October 2026.
Top rated plans sold here
- Clever Care Breathe Select+ (HMO C-SNP)Clever Care Health Plan4.5
- Clever Care Breathe+ (HMO C-SNP)Clever Care Health Plan4.5
- Clever Care Longevity (HMO)Clever Care Health Plan4.5
- Clever Care Total Choice+ (HMO C-SNP)Clever Care Health Plan4.5
- Clever Care Total+ (HMO C-SNP)Clever Care Health Plan4.5
- Clever Care Value (HMO)Clever Care Health Plan4.5
- Kaiser Permanente Dual Complete South P1 (HMO D-SNP)Kaiser Foundation Health Plan4.5
- Kaiser Permanente Senior Advantage San Diego (HMO)Kaiser Foundation Health Plan4.5
2027 overall Star Rating, 4.5 or more. Each plan's measure stars are in the county lookup.
See every plan, premium and copay in the free lookup.
Sort all 85 plans, open each plan's benefits and star measures, and see what each insurer paid agents in 2026.
Open San Diego in the lookupWorking this county for AEP?
The AEP 2027 County Kit puts this county and your others in one file: the plans that end, where members land, what is still sold and a crosswalk sheet, with every number tied to its CMS file.
See the AEP 2027 County KitAll California county pages. Facts from public CMS files, prepared by Health and Tech Now. Not plan advice. Check a plan's Summary of Benefits before you enroll.