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  1. 🏠
  2. Special Needs Plans
  3. California
  4. San Mateo County

2026 Medicare Special Needs Plans in San Mateo County, CA

Last update: May 11, 2026. Enrollment data updated: June 13, 2026

For 2026, San Mateo County, CA includes 11 Medicare Special Needs Plans. Enrollment across these plans totals approximately 11,288, with 44% rated 4 stars or higher.

Special Needs Plans (SNPs) are designed for specific healthcare or eligibility situations. Other options may also be available. Visit Medicare Options in San Mateo County, CA to explore additional plan types and coverage choices.

  • D-SNP Plans
  • C-SNP Plans
  • I-SNP Plans

At a Glance

County-level summary of Medicare Special Needs Plan availability and enrollment based on CMS data.

  • Average Monthly Premium: $2.18/mo
  • $0 Premium Plans: 9
  • Average MOOP: $4,749 ($9,250 max. Excludes zero-cost D-SNPs.)
  • Star Ratings (Plan Mix): 4+ Stars: 44% · 3 Stars: 56% · Below 3: 0%
  • Average Part D Deductible: $319.09
  • Total SNP Enrollment: 11,288
  • SNP Plans with the Highest Enrollment
    (as of June 13, 2026)
    1. CareAdvantage (D-SNP) — 7,968 enrollees
    2. Kaiser Permanente Dual Complete North P2 (D-SNP) — 1,950 enrollees
    3. SCAN Balance (C-SNP) — 435 enrollees

Medicare Dual Eligible Special Needs Plans (D-SNPs)

Dual Eligible Special Needs Plans (D-SNPs) are Medicare Advantage plans that integrate Medicare and Medicaid benefits for beneficiaries who meet dual-eligibility criteria defined by CMS.

Total D-SNP Plans
4
Average Monthly Premium
$3.00/mo
Beneficiaries Enrolled
10,271
$0 Premium Plans
3
Zero Cost Plans
4
Top D-SNP by Enrollment
CareAdvantage (D-SNP) — 7,968 enrollees
Plans without Drug Coverage
0
2026 D-SNP Medicare plans in San Mateo County, California (comparison chart)
SNP Plan Name Rating* Premium MOOP Rx Ded. Plan-ID
Kaiser Permanente Dual Complete North P2
☆☆☆☆☆
$0 9250.00 $0 H8794-002-0
Kaiser Permanente Dual Complete North P22
☆☆☆☆☆
$0 9250.00 $0 H8794-022-0
HEALTH PLAN OF SAN MATEO CareAdvantage
☆☆☆☆☆
$12 9250.00 $615 H6019-001-0
Central Health Dual Access Plan
☆☆☆☆☆
$0 9250.00 $550 H5649-024-0

What is the typical premium for D-SNP plans in San Mateo County?

D-SNP plans in San Mateo County cost $3.00 per month.

Which D-SNP plan do most beneficiaries choose in San Mateo County?

The most popular D-SNP plan in San Mateo County is CareAdvantage (D-SNP), with 7,968 enrollees.

How many Dual Eligible SNP plans are offered in San Mateo County?

In 2026, San Mateo County offers 4 D-SNP plans with 10,271 enrollees.

Institutional Special Needs Plans (I-SNPs)

Institutional Special Needs Plans (I-SNPs) are Medicare Advantage plans for individuals who reside in or require institutional-level care. Plan availability varies by county.

Total I-SNP Plans
2
Average Monthly Premium
$6.00/mo
Beneficiaries Enrolled
0
$0 Premium Plans
1
Average MOOP
$11,150
Top I-SNP by Enrollment
— 0 enrollees
Plans without Drug Coverage
0
2026 I-SNP Medicare plans in San Mateo County, California (comparison chart)
SNP Plan Name Rating* Premium Network
Premier Care
☆☆☆☆☆
$0 1900.00 $0 H3274-002-0
Senior Care
☆☆☆☆☆
$12 9250.00 $615 H3274-001-0
What is the average monthly premium for I-SNP plans in San Mateo County?
I-SNP plans in San Mateo County cost $6.00 per month.
Which I-SNP plan has the highest enrollment in San Mateo County?
The most popular I-SNP plan in San Mateo County is , with 0 enrollees.
How many I-SNP plans are available in San Mateo County?
In 2026, San Mateo County offers 2 I-SNP plans with 0 enrollees.

Chronic Condition Special Needs Plans (C-SNPs)

Chronic Condition Special Needs Plans (C-SNPs) are Medicare Advantage plans available to beneficiaries who meet CMS eligibility criteria for specific chronic or disabling health conditions.

Total C-SNP Plans
5
Average Monthly Premium
$0.00/mo
Beneficiaries Enrolled
1,017
$0 Premium C-SNPs
5
Average MOOP
$8,838
Most Popular C-SNP
SCAN Balance (C-SNP) with 435 enrollees
C-SNPs Without Drug Coverage
0
2026 C-SNP Medicare plans in San Mateo County, California (comparison chart)
SNP Plan Name Rating* Premium Network
SCAN Balance
☆☆☆☆☆
$0 1500.00 $250 H5425-076-0
SCAN Strive
☆☆☆☆☆
$0 9250.00 $250 H5425-098-0
Imperial Senior Value
☆☆☆☆☆
$0 296.00 $0 H5496-005-0
Central Health Embrace Care Plan
☆☆☆☆☆
$0 1800.00 $615 H5649-025-4
Central Health Embrace Choice Plan
☆☆☆☆☆
$0 9250.00 $615 H5649-026-4
What is the total number of C-SNP plans in San Mateo County?

San Mateo County has 5 C-SNP plans for 2026, with 1,017 enrollees.

How much do C-SNP plans cost in San Mateo County?

The typical C-SNP premium in San Mateo County is $0.00, and 5 plans have no monthly premium.

  • CMS.gov, Medicare Advantage Landscape Source Files — Last accessed June 13, 2026
  • CMS.gov, Medicare Part C & D Performance Data — Last accessed June 13, 2026
  • CMS.gov, Medicare Advantage & Part D Contract and Enrollment Data — Last accessed June 13, 2026

All plan counts, enrollment totals, averages, and percentage distributions are calculated at the county level using CMS data and include Medicare Special Needs Plans (SNP) only, based on a consistent aggregation methodology.

Data sources and methodology documentation .

  • Medicare.gov, "Understanding Medicare Advantage Plans" — Last accessed 24 May, 2025
  • Medicare.gov, "Explore your Medicare coverage options" — Last accessed 25 May, 2025
  • NCOA.org, "5 Steps to Choosing the Right Medicare Plan for You" — Last accessed 22 May, 2025

MedicarePlans.com is an independent, non-government informational resource and is not affiliated with or endorsed by the U.S. Government or the federal Medicare program.

Data provenance is documented in accordance with the U.S. Core Data for Interoperability (USCDI) Provenance standard .

Page content independently curated and maintained by David W. Bynon, Editorial Steward, using a standardized, data-driven methodology for accurate, non-commercial Medicare plan interpretation and resolution.

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