2026 Medicare Special Needs Plans in Marin County, CA
Last update: . Enrollment data updated: May 2, 2026
For 2026, Marin County, CA includes 11 Medicare Special Needs Plans. Enrollment across these plans totals approximately 1,315, with 89% rated 4 stars or higher.
Dual Eligible Special Needs Plans (D-SNPs)
Dual Eligible Special Needs Plans (D-SNPs) are Medicare Advantage plans for individuals eligible for both Medicare and Medicaid. Plan availability varies by county.
- Total D-SNP Plans
- 2
- Average Monthly Premium
- $0.00/mo
- Beneficiaries Enrolled
- 1,252
- $0 Premium Plans
- 2
- Zero Cost Plans
- 2
- Top D-SNP by Enrollment
- Kaiser Permanente Dual Complete North P25 (D-SNP) — 1,168 enrollees
- Plans without Drug Coverage
- 0
| Medicare SNP Plan | CMS Stars* | Premium/Mo | MOOP | Rx Ded. | CMS ID |
|---|---|---|---|---|---|
| Alignment Health CalPlusDuals | $0 | 9250.00 | $615 | H3815-030-0 | |
| Kaiser Permanente Dual Complete North P25 | $0 | 9250.00 | $615 | H8794-025-0 |
- What is the average monthly premium for D-SNP plans in Marin County?
- D-SNP plans in Marin County cost $0.00 per month.
- Which D-SNP plan has the highest enrollment in Marin County?
- The most popular D-SNP plan in Marin County is Kaiser Permanente Dual Complete North P25 (D-SNP), with 1,168 enrollees.
- How many D-SNP plans are available in Marin County?
- In 2026, Marin County offers 2 D-SNP plans with 1,252 enrollees.
Medicare Institutional Special Needs Plans (I-SNPs)
Institutional Special Needs Plans (I-SNPs) are Medicare Advantage plans for individuals in institutional or long-term care settings. 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
| Plan Name | CMS Stars* | Premium/Mo | 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 Marin County?
I-SNP plans in Marin County cost $6.00 per month.
Which I-SNP plan has the highest enrollment in Marin County?
The most popular I-SNP plan in Marin County is , with 0 enrollees.
How many I-SNP plans are available in Marin County?
In 2026, Marin 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
- 7
- Average Monthly Premium
- $5.24/mo
- Beneficiaries Enrolled
- 63
- $0 Premium C-SNPs
- 3
- Average MOOP
- $11,653
- Most Popular C-SNP
- Alignment Health Heart & Diabetes CalPlus (C-SNP) with 31 enrollees
- C-SNPs Without Drug Coverage
- 0
| Plan Name | CMS Stars* | Premium/Mo | Network | ||
|---|---|---|---|---|---|
| Alignment Health BreathEasy | $12 | 9250.00 | $615 | H3815-041-0 | |
| Alignment Health Clarity | $12 | 9250.00 | $615 | H3815-042-0 | |
| Alignment Health Heart & Diabetes | $0 | 1499.00 | $0 | H3815-010-0 | |
| Alignment Health Heart & Diabetes CalPlus | $12 | 9250.00 | $615 | H3815-039-0 | |
| Alignment Health Heart & Diabetes Care | $0 | 1990.00 | $0 | H3815-048-0 | |
| Alignment Health Heart & Diabetes Choice | $1 | 9250.00 | $615 | H3815-051-0 | |
| Imperial Senior Value | $0 | 296.00 | $0 | H5496-005-0 |
What is the total number of C-SNP plans in Marin County?
There are 7 C-SNP plans in 2026, covering 63 enrollees.
How much do C-SNP plans cost in Marin County?
The average C-SNP premium in Marin County is $5.24 per month, with 3 plans offering $0 premiums.
What is the most popular C-SNP plan in Marin County?
Alignment Health Heart & Diabetes CalPlus (C-SNP) is the top C-SNP in Marin County, with 31 enrollees.
What is the total number of C-SNP plans in Marin County?
There are 7 C-SNP plans in 2026, covering 63 enrollees.
- CMS.gov, Medicare Advantage Landscape Source Files — Last accessed May 2, 2026
- CMS.gov, Medicare Part C & D Performance Data — Last accessed May 2, 2026
- CMS.gov, Medicare Advantage & Part D Contract and Enrollment Data — Last accessed May 2, 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, "Compare Original Medicare & Medicare Advantage" — 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 informational resource and has no affiliation with, or endorsement from, 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.