2027 Medicare plans in San Mateo County, CA CY2027

We do not offer every plan available in your area. Currently we represent 11 organizations which offer 45 products in your area. Please contact Medicare.gov or 1-800-MEDICARE to get information on all of your options. 1-800-MEDICARE (1-800-633-4227) is open 24 hours a day, 7 days a week. TTY users call 1-877-486-2048.

Medicare evaluates plans every year based on a 5-star rating system. Star Ratings shown are 2027 Star Ratings released by CMS on October 8, 2026.

This list shows every plan filed with CMS for this county. It is not a recommendation. Is your 2026 plan ending or changing?

Medicare Advantage with drugs

Every 2027 plan in San Mateo County (36)

2027 plans in San Mateo County, CA, sorted by premium
Plan	Company	Plan type	Monthly premium	Most you pay in-network (MOOP)	Star rating	Part B giveback
Imperial Dynamic Plan (HMO) H5496-012-000	Imperial Health Plan of California	Medicare Advantage with drug coverage	$0	$295	4 out of 5 stars	$15 a month
Imperial Senior Value (HMO C-SNP) H5496-005-000	Imperial Health Plan of California	Medicare Advantage with drug coverage, Special Needs Plan (C-SNP)	$0	$295	4 out of 5 stars	$12 a month
Anthem Prime (HMO-POS) H4161-005-000	Elevance Health, Inc.	Medicare Advantage with drug coverage	$0	$1,200	3 out of 5 stars	None
Premier Care (HMO I-SNP) H3274-002-000	Curana Health Holdings, LLC	Medicare Advantage with drug coverage, Special Needs Plan (I-SNP)	$0	$1,900	Not enough data available	None
SCAN Balance (HMO C-SNP) H5425-076-000	SCAN Group	Medicare Advantage with drug coverage, Special Needs Plan (C-SNP)	$0	$1,900	4 out of 5 stars	None
SCAN Classic (HMO) H5425-075-000	SCAN Group	Medicare Advantage with drug coverage	$0	$2,000	4 out of 5 stars	None
SCAN Costco Medicare Advantage (HMO) H5425-139-000	SCAN Group	Medicare Advantage with drug coverage	$0	$2,000	4 out of 5 stars	None
SCAN Allied (HMO) H5425-118-000	SCAN Group	Medicare Advantage with drug coverage	$0	$2,900	4 out of 5 stars	None
Central Health Harmony 031 (HMO) H3815-031-000	Alignment Healthcare USA, LLC	Medicare Advantage with drug coverage	$0	$3,400	3.5 out of 5 stars	None
CCHP Senior Value Program (HMO) H0571-007-000	Chinese Hospital Association	Medicare Advantage with drug coverage	$0	$3,500	3 out of 5 stars	None
Aetna Medicare Signature Extra (HMO) H0523-070-000	CVS Health Corporation	Medicare Advantage with drug coverage	$0	$3,600	3 out of 5 stars	None
Anthem Medicare Advantage (HMO-POS) H0544-096-000	Elevance Health, Inc.	Medicare Advantage with drug coverage	$0	$5,600	3.5 out of 5 stars	None
Kaiser Permanente Dual Complete North P22 (HMO D-SNP) H8794-022-000	Kaiser Foundation Health Plan, Inc.	Medicare Advantage with drug coverage, Special Needs Plan (D-SNP)	$0	$9,850CMS lists this as a zero-dollar cost-sharing plan for people with Medicare and Medicaid. As long as you keep your Medicaid, you generally pay $0 for covered Medicare Part A and Part B services from in-network providers. Drug copays may apply. The amount shown is the plan's in-network yearly limit on Part A and Part B cost sharing.	4.5 out of 5 stars	None
SCAN Strive (HMO C-SNP) H5425-098-000	SCAN Group	Medicare Advantage with drug coverage, Special Needs Plan (C-SNP)	$0	$9,850	4 out of 5 stars	None
Imperial Flex (HMO C-SNP) H5496-017-000	Imperial Health Plan of California	Medicare Advantage with drug coverage, Special Needs Plan (C-SNP)	$2.70	$9,850	4 out of 5 stars	None
Wellcare Value Script (PDP) S4802-163-000	Centene Corporation	Part D drug plan	$5.30	Not applicable to drug plans	3 out of 5 stars	Not applicable
Alignment Health Honor Plus 060 (HMO) H3815-060-000	Alignment Healthcare USA, LLC	Medicare Advantage with drug coverage	$7.30	$9,850	3.5 out of 5 stars	None
CareAdvantage (HMO D-SNP) H6019-001-000	Health Plan of San Mateo	Medicare Advantage with drug coverage, Special Needs Plan (D-SNP)	$7.30	$9,850CMS lists this as a zero-dollar cost-sharing plan for people with Medicare and Medicaid. As long as you keep your Medicaid, you generally pay $0 for covered Medicare Part A and Part B services from in-network providers. Drug copays may apply. The amount shown is the plan's in-network yearly limit on Part A and Part B cost sharing.	3 out of 5 stars	None
Senior Care (HMO I-SNP) H3274-001-000	Curana Health Holdings, LLC	Medicare Advantage with drug coverage, Special Needs Plan (I-SNP)	$7.30	$9,850	Not enough data available	None
Wellcare Classic (PDP) S4802-094-000	Centene Corporation	Part D drug plan	$7.30	Not applicable to drug plans	3 out of 5 stars	Not applicable
HealthSpring Assurance Rx (PDP) S5715-049-000	Health Care Service Corporation	Part D drug plan	$9.30	Not applicable to drug plans	2.5 out of 5 stars	Not applicable
Kaiser Permanente Senior Advantage Basic San Mateo (HMO) H0524-065-000	Kaiser Foundation Health Plan, Inc.	Medicare Advantage with drug coverage	$28	$6,000	4.5 out of 5 stars	None
CCHP Senior Program (HMO) H0571-001-000	Chinese Hospital Association	Medicare Advantage with drug coverage	$38	$3,000	3 out of 5 stars	None
Sutter Senior Advantage, a SCAN Medicare Plan (HMO) H5425-148-000	SCAN Group	Medicare Advantage with drug coverage	$49	$4,900	4 out of 5 stars	None
Alignment Health Sutter Advantage +More (HMO) H3815-023-000	Alignment Healthcare USA, LLC	Medicare Advantage with drug coverage	$50	$4,900	3.5 out of 5 stars	None
Blue Shield Inspire (HMO) H0504-041-000	California Physicians' Service	Medicare Advantage with drug coverage	$60	$4,300	4 out of 5 stars	None
Kaiser Permanente Sr Adv Enhanced Marin San Mateo (HMO) H0524-031-000	Kaiser Foundation Health Plan, Inc.	Medicare Advantage with drug coverage	$97	$3,900	4.5 out of 5 stars	None
Humana Basic Rx Plan (PDP) S5884-114-000	Humana Inc.	Part D drug plan	$118.30	Not applicable to drug plans	4.5 out of 5 stars	Not applicable
Humana Value Rx Plan (PDP) S5884-211-000	Humana Inc.	Part D drug plan	$130.30	Not applicable to drug plans	4.5 out of 5 stars	Not applicable
AARP Medicare Rx Saver from UHC (PDP) S5921-376-000	UnitedHealth Group, Inc.	Part D drug plan	$170.80	Not applicable to drug plans	3 out of 5 stars	Not applicable
Humana Premier Rx Plan (PDP) S5884-178-000	Humana Inc.	Part D drug plan	$191.20	Not applicable to drug plans	4.5 out of 5 stars	Not applicable
Blue Shield Rx Plus (PDP) S2468-003-000	California Physicians' Service	Part D drug plan	$210	Not applicable to drug plans	2.5 out of 5 stars	Not applicable
AARP Medicare Rx Preferred from UHC (PDP) S5921-413-000	UnitedHealth Group, Inc.	Part D drug plan	$242.60	Not applicable to drug plans	3 out of 5 stars	Not applicable
Blue Shield Rx Enhanced (PDP) S2468-004-000	California Physicians' Service	Part D drug plan	$252.60	Not applicable to drug plans	2.5 out of 5 stars	Not applicable
Imperial Courage Plan (HMO) H5496-016-000	Imperial Health Plan of California	Medicare Advantage only	Not listed	$2,999	3.5 out of 5 stars	$85 a month
Aetna Medicare Eagle (HMO) H0523-099-000	CVS Health Corporation	Medicare Advantage only	Not listed	$4,450	3 out of 5 stars	$40 a month

Data used on this page

CMS CY2027 Landscape Source File, November 2026 release (202611)
CMS CY2027 plan benefit files and the Medicare Plan Finder benefit summary file dated October 15, 2026
2027 Star Ratings data tables dated October 8, 2026
Summary of Benefits files collected from plan company websites, October 28 to November 11, 2026
How we build these pages

Researched and reviewed by Jordan Diaz, Licensed Insurance Agent, NPN 18910035, Senior Benefit Assistance. Last reviewed: November 11, 2026.