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  1. 🏠
  2. Medicare Advantage Plans
  3. California
  4. Yolo County

2027 Medicare Advantage Plans in Yolo County, CA

Last update: October 5, 2026.

For 2027, Yolo County, CA includes 14 Medicare Advantage plans. Enrollment across these plans totals approximately 6,474, with 9 $0 premium options and (2027 Star Ratings Coming Soon) rated 4 stars or higher.

Totals on this page exclude Medicare Advantage Special Needs Plans (SNPs). SNP plans for Yolo County, CA are provided separately. Or you can discover all Medicare Options in Yolo County, CA.

  • HMO Plans

At a Glance

County-level summary of Medicare Advantage plan availability and enrollment based on CMS data.

  • Average Monthly Premium: $12.52/mo
  • $0 Premium Plans: 9
  • Average MOOP: $3,799 ($9,250 max. in 2027)
  • Star Ratings (Plan Mix): (2027 Star Ratings Coming Soon)
  • Average Part D Deductible: $262.50
  • Total MA/MAPD Enrollment: 6,474
  • Plans with the Highest Enrollment
    (as of October 5, 2026)
    1. Kaiser Permanente Sr Advantage Basic Sac., Sonoma (HMO) — 2,148 enrollees
    2. Kaiser Permanente Sr Adv Enhanced Sac., Sonoma (HMO) — 1,761 enrollees
    3. Sutter Senior Advantage, a SCAN Medicare Plan (HMO) — 1,068 enrollees

Medicare Advantage HMO Plans

Health Maintenance Organization (HMO) plans generally require members to use in-network doctors, hospitals, and other providers, except in emergencies. Because of this structure, HMOs often have lower premiums and out-of-pocket costs than other plan types.

  • Total HMO Plans 14
  • Average Monthly Premium $12.52/mo
  • Total HMO Enrollment 6,474
  • $0 Premium HMO Plans 9
  • Average MOOP $3,799
  • Top HMO by Enrollment Kaiser Permanente Sr Advantage Basic Sac., Sonoma (HMO) — 2,148 enrollees
  • HMO Plans Without Drug Coverage 2

2027 HMO Medicare Advantage plans in Yolo County, California (comparison chart)
Plan Name Rating* Premium MOOP Rx Ded. Plan-ID
Aetna Medicare Eagle
☆☆☆☆☆
$0 $4,450 N/A H0523-099-0
Aetna Medicare Signature
☆☆☆☆☆
$0 $2,000 $600 H0523-065-0
Aetna Medicare Value Plus
☆☆☆☆☆
$0 $2,000 $0 H0523-074-0
Alignment Health Honor Plus 060
☆☆☆☆☆
$7 $9,850 $700 H3815-060-0
Alignment Health My Choice 050
☆☆☆☆☆
$0 $3,499 $0 H3815-050-0
Alignment Health Smart 038
☆☆☆☆☆
$0 $3,499 $700 H3815-038-0
Alignment Health Sutter Advantage +More
☆☆☆☆☆
$21 $4,900 $0 H3815-019-0
Imperial Courage Plan
☆☆☆☆☆
$0 $2,999 N/A H5496-016-0
Imperial Dynamic Plan
☆☆☆☆☆
$0 $295 $0 H5496-012-0
Kaiser Permanente Sr Adv Enhanced Sac., Sonoma
☆☆☆☆☆
$99 $3,900 $0 H0524-013-0
Kaiser Permanente Sr Advantage Basic Sac., Sonoma
☆☆☆☆☆
$29 $6,000 $0 H0524-051-0
SCAN Classic
☆☆☆☆☆
$0 $2,900 $450 H5425-128-0
SCAN Costco Medicare Advantage
☆☆☆☆☆
$0 $2,900 $450 H5425-138-0
Sutter Senior Advantage, a SCAN Medicare Plan
☆☆☆☆☆
$19 $4,000 $250 H5425-126-0
What is the total number of HMO plans offered in Yolo?

In 2027, Yolo County has 14 HMO plans with 6,474 enrollees.

How much do HMO plans cost in Yolo?

The typical HMO premium in Yolo is $12.52, and 9 plans have no monthly premium.

CMS quality ratings for Medicare Advantage plans in Yolo County, CA (2027) are summarized below.

Quality Ratings for Medicare Advantage Plans in Yolo County, CA (2027)
Rating Category Number of Plans Percent of Plans
5 Stars (2027 Star Ratings Coming Soon) (2027 Star Ratings Coming Soon)
4 Stars (includes 5 Stars) (2027 Star Ratings Coming Soon) (2027 Star Ratings Coming Soon)
3 Stars (2027 Star Ratings Coming Soon) (2027 Star Ratings Coming Soon)
Below 3 Stars (2027 Star Ratings Coming Soon) (2027 Star Ratings Coming Soon)
Not Rated (2027 Star Ratings Coming Soon) (2027 Star Ratings Coming Soon)
Average Rating (2027 Star Ratings Coming Soon)

* Star ratings are based on CMS quality measures and reflect plan performance for the 2027 rating period.

  • CMS.gov, Medicare Advantage & Special Needs Plan Landscape Source Files — Version: 202609
  • CMS.gov, Medicare Part C & D Performance Data — Version: 2026
  • CMS.gov, Medicare Advantage & Part D Contract and Enrollment Data — Version: 2026-09

All plan counts, enrollment totals, averages, and percentage distributions are calculated at the county level using CMS data and include standard Medicare Advantage (MA/MAPD) plans only, based on a consistent aggregation methodology.

Data sources and methodology documentation .

  • Medicare.gov, "Understanding Medicare Advantage Plans" — Last accessed 25 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 25 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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