Medicare Advantage in Baltimore County, MD, for 2027.
CMS lists 30 Medicare Advantage plans here for 2027, 13 fewer than 2026 (43). 45,265 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
9 plans with members in the county end or leave it, plus 108 with 10 or fewer members here. CMS moves 1,571 members to another plan, and 28,413 stay in the same plan.
| Plan | Insurer | Members | Why |
|---|---|---|---|
| Erickson Advantage Signature (HMO-POS) | UnitedHealth | 592 | Plan terminated |
| Johns Hopkins Advantage MD Primary (PPO) | Johns Hopkins Healthcare | 487 | Plan terminated |
| Alterwood Advantage Choice Plus (HMO) | LifeBridge Health | 94 | Plan terminated |
| Erickson Advantage Liberty (HMO-POS) | UnitedHealth | 93 | Plan terminated |
| Erickson Advantage Freedom (HMO-POS) | UnitedHealth | 86 | Plan terminated |
| Erickson Advantage Liberty no Rx (HMO-POS) | UnitedHealth | 37 | Plan terminated |
| CareFirst BlueCross BlueShield Advantage Essential (PPO) | CareFirst | 28 | Plan leaves this county |
| Erickson Advantage Guardian (HMO-POS I-SNP) | UnitedHealth | 26 | Plan terminated |
| Erickson Advantage Champion (HMO-POS C-SNP) | UnitedHealth | 20 | Plan terminated |
Where CMS moves members
| 2026 plan | 2027 plan | Members |
|---|---|---|
| HealthSpring Alliance (HMO) | HealthSpring Preferred Plus (HMO) | 1,571 |
Who holds the members
- Kaiser Foundation Health Plan9,028
- CVS Health7,970
- UnitedHealth7,446
- CareFirst5,157
- Johns Hopkins Healthcare4,902
- Health Care Service3,746
Individual Medicare Advantage members by parent company, October 2026.
Top rated plans sold here
- UHC Nursing Home Plan EX-F004 (PPO I-SNP)UnitedHealth5.0
- Kaiser Permanente Dual Complete Plan 2 MD (HMO D-SNP)Kaiser Foundation Health Plan4.5
- Kaiser Permanente Dual Essential Plan 2 MD (HMO D-SNP)Kaiser Foundation Health Plan4.5
- Kaiser Permanente Medicare Advantage High MD (HMO-POS)Kaiser Foundation Health Plan4.5
- Kaiser Permanente Medicare Advantage Liberty (HMO)Kaiser Foundation Health Plan4.5
- Kaiser Permanente Medicare Advantage Standard 2 MD (HMO-POS)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 30 plans, open each plan's benefits and star measures, and see what each insurer paid agents in 2026.
Open Baltimore 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 Maryland 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.