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2027 Medicare Advantage Plans in Tuolumne County, CA

Last update: .

For 2027, Tuolumne County, CA includes 2 Medicare Advantage plans. Enrollment across these plans totals approximately 340, with 2 $0 premium options and 100% rated 4 stars or higher.

At a Glance

  • Average Monthly Premium: $0.00/mo
  • $0 Premium Plans: 2
  • Average MOOP: $1,647 ($9,250 max. in 2027)
  • Star Ratings (Plan Mix): 4+ Stars: 100% · 3 Stars: 0% · Below 3: 0%
  • Average Part D Deductible: $0.00
  • Total MA/MAPD Enrollment: 340
  • Plans with the Highest Enrollment
    (as of October 5, 2026)
    1. Imperial Dynamic Plan (HMO) — 340 enrollees
    2. Imperial Courage Plan (HMO) — 0 enrollees

This page and its statistics exclude Medicare Advantage Special Needs Plans (SNPs). Special Needs Plans in Tuolumne County, CA are summarized separately. Visit Medicare Options in Tuolumne County, CA to see more options. For a broader perspective, explore California Medicare Advantage plans, including statewide premiums, out-of-pocket costs, CMS ratings, and enrollment comparisons.

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 2
  • Average Monthly Premium $0.00/mo
  • Total HMO Enrollment 340
  • $0 Premium HMO Plans 2
  • Average MOOP $1,647
  • Top HMO by Enrollment Imperial Dynamic Plan (HMO) — 340 enrollees
  • HMO Plans Without Drug Coverage 1

2027 HMO Medicare Advantage plans in Tuolumne County, California (comparison chart)
Plan Name Rating* Premium MOOP Rx Ded. Plan-ID
Imperial Courage Plan
☆☆☆☆☆
 $0 $2,999 N/A H5496-016-0
Imperial Dynamic Plan
☆☆☆☆☆
 $0 $295 $0 H5496-012-0
What is the top HMO by enrollment in Tuolumne?

Imperial Dynamic Plan (HMO) is the top HMO in Tuolumne, with 340 enrollees.

What is the number of HMO plans without Part D coverage in Tuolumne?

1 HMO plans in Tuolumne do not include prescription drug coverage.

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

Medicare Advantage Plan Ratings in Tuolumne County, CA (2027)
Rating Category Number of Plans Percent of Plans
5 Stars No 5-star plans available. 0%
4 Stars (includes 5 Stars) 2 100%
3 Stars 0 0%
Below 3 Stars 0 0%
Not Rated 0 0%
Average Rating 4

* CMS assigns Medicare Advantage star ratings annually based on plan quality and performance measures.

Medicare Advantage plans listed on this page are available to eligible beneficiaries residing in Tuolumne County, California, including communities such as Columbia, Groveland, Jamestown, Sonora, Soulsbyville, Tuolumne, Twain Harte, and other areas throughout the county. Plan availability is determined by county of residence, not by city.

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 .

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