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  1. 🏠
  2. Medicare Options
  3. California
  4. San Diego County

Your Medicare Coverage Options in San Diego County, CA

This page explains all Medicare coverage options available to residents of San Diego County, California, including Original Medicare, Medicare Advantage, Part D, Medigap, and local assistance.

Medicare Options at a Glance

Residents of San Diego County, California can choose from several Medicare coverage types, each offering a different balance of access, cost, and benefits. The main options are:

  • Original Medicare: Provides broad access to providers across the country.
  • Medicare Advantage: Offers all-in-one coverage, often with lower upfront costs.
  • Part D: Covers prescription drugs when paired with Original Medicare.
  • Medigap: Reduces gaps in coverage and limits out-of-pocket expenses.
  • SNPs: Tailored plans for individuals with qualifying health or financial needs.
  • Other Options: Includes VA coverage, employer-sponsored plans, and local support programs.

Because each option works in a different way, understanding the differences is critical when choosing Medicare coverage in San Diego County.

Medicare Advantage Options in San Diego County

Medicare Advantage plans in San Diego County combine hospital and medical coverage into a private plan option, often with prescription drug coverage and extra benefits. Availability, plan type, and out-of-pocket limits vary by county.

Medicare Advantage Snapshot San Diego County
Total Medicare Advantage plans 60
$0 premium plans 51
HMO plans 40
PPO plans 8
Plans with drug coverage 54
Lowest MOOP $199
Highest MOOP $9,250
Highest Part B giveback $75.00

Top PPO Plans by Enrollments

Plan CMS Rating Enrollment
Alignment Health Advantage PPO 0.0 ★ 3,711
HumanaChoice H5525-077 3.5 ★ 3,232
Aetna Medicare Signature 4.5 ★ 2,661

Top HMO Plans by Enrollments

Plan CMS Rating Enrollment
Kaiser Permanente Senior Advantage San Diego 4.5 ★ 67,804
Imperial Dynamic Plan 3.5 ★ 45,983
Astiva Health Savings Plan 3.5 ★ 27,631

Top HMO-POS Plans by Enrollments

Plan CMS Rating Enrollment
UHC Sharp Medicare Advantage ValueRx CA-12P 4.0 ★ 20,789
UHC Sharp Medicare Advantage CA-001P 4.0 ★ 10,177
Alignment Health Platinum + Instacart 4.0 ★ 8,687

Medicare Advantage coverage varies based on network structure, inclusion of drug benefits, and maximum out-of-pocket costs each year. Many beneficiaries begin with these plans for their all-in-one coverage and added perks, but provider access and plan rules play a key role in the decision.

See Medicare Advantage plans in San Diego County

Prescription Drug Coverage (Part D) in San Diego County

For those using Original Medicare, Part D plans provide separate prescription drug coverage. Plan differences include premiums, deductibles, pharmacy access, and the list of covered drugs.

Top Basic Coverage Plans by Enrollments

Plan Premium Deductible Enrollment
Wellcare Classic $6.20 $615 564,972
HealthSpring Assurance Rx $0.00 $615 548,885
SilverScript Choice $103.60 $615 164,484

Top Enhanced Coverage Plans by Enrollments

Plan Premium Deductible Enrollment
Wellcare Value Script $5.70 $615 459,030
AARP Medicare Rx Preferred from UHC $165.40 $130 154,077
HealthSpring Extra Rx $70.60 $615 46,657

Choosing a Part D plan is less about how many plans are available and more about whether your medications are covered at your preferred pharmacy at an affordable price.

See Medicare Part D plans in California

Medicare Supplement (Medigap) Coverage in San Diego County

Medigap plans supplement Original Medicare by covering deductibles, copayments, and coinsurance. Unlike Medicare Advantage, these plans do not replace Original Medicare and typically require a separate Part D plan for prescription drug coverage.

Across 22 insurers, sample data shows monthly premiums starting near $34 and rising above $1,368 based on plan type and pricing approach. Even with standardized benefits, pricing can vary significantly due to different rating methods and available discounts.

Medigap Snapshot San Diego County
Works with Original Medicare Yes
Includes prescription drug coverage No
Requires separate Part D plan Usually yes
Best fit for Beneficiaries who want broad provider access and predictable cost sharing

For residents of San Diego, Medigap is often considered by people who want the flexibility to use providers nationwide who accept Medicare without relying on local Medicare Advantage networks.

Sample Plan G Pricing in California

Plan G typically ranges from $148 to $1,189.

Carrier Plan Low High
AARP - UnitedHealthcare G $173 $374
Allstate G $256 $773
Humana G $214 $765
Mutual of Omaha G $187 $616

Sample Plan N Pricing in California

Plan N typically ranges from $114 to $912.

Carrier Plan Low High
AARP - UnitedHealthcare N $146 $317
Allstate N $202 $611
Humana N $155 $564
Mutual of Omaha N $139 $454

Explore all Medicare Supplement plans in California for more details.

SNP Coverage Options in San Diego County

Special Needs Plans are Medicare Advantage plans created for people with specific eligibility profiles, including those with Medicaid, certain chronic conditions, or institutional care needs.

SNP Snapshot San Diego County
Total SNP plans 33
D-SNP plans 7
C-SNP plans 26
I-SNP plans 0

Top D-SNP Plans by Enrollments

Plan CMS Rating Enrollment
Kaiser Permanente Dual Complete South P1 4.0 ★ 59,083
Molina Medicare Complete Care Plus 3.0 ★ 29,676
SCAN Connections 4.0 ★ 24,482

Top C-SNP Plans by Enrollments

Plan CMS Rating Enrollment
Alignment Health Heart & Diabetes CalPlus 4.0 ★ 28,425
Clever Care Total+ 3.5 ★ 16,315
Alignment Health Heart & Diabetes Choice 4.0 ★ 11,035

SNP availability in San Diego depends on eligibility. These plans are not general Medicare options for everyone, but they can be important for beneficiaries with Medicaid or qualifying chronic health conditions.

See Special Needs Plans in San Diego County

VA Coverage and Local Medicare Help in San Diego County

Some beneficiaries may have coverage choices or support options outside standard Medicare plan categories, including VA health benefits, retiree coverage, and counseling programs.

Additional Support Options San Diego County
VA health coverage may coordinate with Medicare Yes
SHIP / local counseling availability HICAP
Local help resource Health Insurance Counseling and Advocacy Program

Choosing the Best Medicare Coverage for You in San Diego County

Selecting Medicare coverage depends on how you prefer to receive care, control costs, and access providers. Most people begin by deciding between Medicare Advantage and Original Medicare.

Medicare Advantage plans bundle hospital, medical, and often prescription drug coverage into one plan. They may offer lower premiums and extra benefits, but usually require you to stay within a provider network.

Original Medicare provides access to providers nationwide who accept Medicare. Many beneficiaries add a Part D drug plan and a Medigap policy to help manage costs and reduce out-of-pocket expenses.

Special Needs Plans (SNPs) are designed for individuals with qualifying health conditions or eligibility, including those with Medicaid. While not available to everyone, they can provide focused coverage when you meet the criteria.

The best option depends on your preferred doctors, medication needs, and how you balance monthly premiums with potential out-of-pocket costs.

To take the next step, review available plans and coverage options in San Diego County.

  • CMS.gov, Medicare Advantage & Special Needs Plan 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

County-level figures shown on this page (including plan counts, enrollment totals, averages, and percentage distributions) are derived from CMS-published datasets using a standardized aggregation methodology.

Data sources and methodology documentation .

  • Medicare.gov, "How to get prescription drug coverage" — Last accessed May 2, 2026
  • Medicare.gov, "Understanding Medicare Advantage Plans" — Last accessed May 6, 2026
  • AARP.org, "The Big Choice: Original Medicare vs. Medicare Advantage" — Last accessed May 6, 2026
  • Medicare.gov, "Get Medigap Basics" — Last accessed May 5, 2026

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 documentation is maintained in alignment 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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