Medicare Advantage
Anthem's 2027 Medicare Advantage plans in Chula Vista: a kidney-care SNP joins the lineup
Chula Vista, Calif. — Fall 2026. Anthem's Medicare Advantage lineup in San Diego County shifts a little for the 2027 plan year, and Chula Vista residents who carry an Anthem plan — or are considering one during Annual Enrollment — can see the full roster now. The carrier is offering four Medicare Advantage plans in the county for 2027, including one that is new and one from this year that is not coming back.
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Key takeaways
- Anthem is offering four Medicare Advantage plans in San Diego County for 2027: three HMO-POS plans and one PPO, and all four include drug coverage.
- One Anthem plan is new for 2027 (Anthem Kidney Care, a PPO C-SNP) and one 2026 Anthem plan is not returning; your plan's Annual Notice of Change spells out any differences.
- Anthem is one of 15 carriers offering Medicare Advantage in the county next year, with 85 plans in total across all carriers.
- The deadline to switch, join or drop a Medicare Advantage plan for 2027 coverage is December 7, 2026; doing nothing lets your current plan renew as described in its ANOC.
| Fact | Figure | Source |
|---|---|---|
| Medicare Advantage plans offered in San Diego County (2026) | 93 | CMS |
| Medicare Advantage plans offered in San Diego County (2027) | 85 | CMS |
| Plans not returning for 2027 / new for 2027 | 26 / 18 | CMS |
| Organizations offering Medicare Advantage in San Diego County (2026) | 17 | CMS |
| Share of eligible beneficiaries in Medicare Advantage, San Diego County | 54% | CMS |
| Residents age 65 and older, San Diego County | 507,734 | U.S. Census Bureau |
| Part B standard monthly premium (2026) | $202.90 | Medicare.gov |
| Part D out-of-pocket cap (2026) | $2,100 | CMS |
| Part D out-of-pocket cap (2027) | $2,400 | CMS |
| Annual Enrollment Period (for 2027 coverage) | October 15 – December 7, 2026 | Medicare.gov |
| Medicare Advantage Open Enrollment Period | January 1 – March 31 | Medicare.gov |
Area counts are for the county as a whole and are not a recommendation of any plan. Program figures are set nationally.
The window to make a change is October 15 through December 7, 2026. Any choice you make takes effect January 1, 2027.
What Anthem Medicare Advantage plans are offered in Chula Vista for 2027?
Chula Vista is in San Diego County, where Anthem (which CMS groups under Elevance Health) is offering four Medicare Advantage plans for the 2027 plan year. Three are HMO-POS plans and one is a PPO. All four include prescription drug coverage, and one is a Special Needs Plan.
The table below lists every Anthem plan available in the county for 2027. In alphabetical order, they are:
- Anthem Kidney Care (PPO C-SNP) — PPO C-SNP, with drug coverage
- Anthem Medicare Advantage (HMO-POS) — HMO-POS, with drug coverage
- Anthem Prime (HMO-POS) — HMO-POS, with drug coverage
- Anthem Select (HMO-POS) — HMO-POS, with drug coverage
MyMedicarePlans.org is an independent consumer site and is not Anthem or any other insurer. Anthem is one of 15 carriers offering Medicare Advantage in San Diego County for 2027; across all carriers, there are 85 plans available in the county.
What is new or not returning from Anthem in San Diego County for 2027?
For 2027, Anthem is adding one plan in the county — Anthem Kidney Care, a PPO Chronic Condition Special Needs Plan — and one plan it offered in 2026 is not coming back. No Anthem plan was renamed.
If you are already on an Anthem plan, watch for your Annual Notice of Change (ANOC), which arrived or should arrive by late September. The ANOC is the document that spells out exactly what is different about your plan next year — the specifics on cost-sharing, drug list, network and extras. If your plan is one that is not returning, Anthem's notice will explain your options and your window to pick a new plan.
What is a C-SNP, and who is it for?
A Chronic Condition Special Needs Plan (C-SNP) is a Medicare Advantage plan built for people living with a specific chronic condition — in this case, end-stage renal disease or related kidney conditions. Anthem Kidney Care is a C-SNP, which means eligibility is limited to people who meet the condition criteria and whose doctor can verify the diagnosis.
Anthem is not offering a Dual-Eligible Special Needs Plan (D-SNP) or Institutional Special Needs Plan (I-SNP) in the county for 2027. The C-SNP is its one Special Needs Plan here.
How do I check an Anthem plan against my doctors and prescriptions before December 7?
Before you enroll in or stay with any Medicare Advantage plan, confirm three things for 2027: your doctors are in the plan's network, your pharmacies are in the plan's preferred network, and your prescriptions are on the plan's formulary at a tier you can afford. Plan details change every January, so last year's answers may not hold.
The quickest way to check all three is the Medicare Plan Finder at medicare.gov/plan-compare. Sign in (or search as a guest), enter your ZIP code and your prescriptions, and the tool will show each plan's drug costs, pharmacy options and a link to the plan's provider directory. You can also call 1-800-MEDICARE (1-800-633-4227), open 24/7, or request the plan's Evidence of Coverage and provider directory directly from Anthem.
Do this before December 7, 2026. If you do nothing, your current plan renews on January 1, 2027 with whatever changes are listed in the ANOC.
What 2027 Medicare figures are confirmed so far?
CMS has already published a few 2027 numbers that apply to any Part D or Medicare Advantage plan with drug coverage:
- The Part D out-of-pocket cap rises to $2,400 in 2027 (up from $2,100 in 2026).
- The Part D maximum deductible rises to $700 in 2027 (up from $615 in 2026).
- The Part D national base beneficiary premium is $41.33 for 2027 — a formula input CMS uses, not what any specific plan charges.
The 2027 Part B standard premium and deductible, and the 2027 IRMAA income brackets, have not been announced yet. CMS typically publishes those figures later in the fall. The coverage gap (the old "donut hole") has been gone since 2025; Part D now has three phases, and the Medicare Prescription Payment Plan is available if you want to spread drug costs evenly across the year.
What are the Medicare enrollment dates to remember?
The Annual Enrollment Period for 2027 coverage runs October 15 through December 7, 2026. Any change you make in that window starts January 1, 2027. If you are already on a Medicare Advantage plan on January 1 and want to switch to a different Medicare Advantage plan — or go back to Original Medicare — the Medicare Advantage Open Enrollment Period gives you one chance to do that between January 1 and March 31, 2027.
By the numbers
Medicare Part B premium, 2006–2026
The standard monthly Part B premium has climbed from $88.50 in 2006 to $202.90 in 2026. Hover any point for that year’s premium.
Source: CMS. Standard premium shown; in some hold-harmless years many existing enrollees paid less. Confirm at Medicare.gov.
By the numbers
How people get Medicare in San Diego County
(MA penetration in San Diego County)
MA penetration from CMS enrollment data; Medigap share is an estimate. U.S. average is about 54% Medicare Advantage. These are area-level figures, not plan-specific.
2027 plan lineup
Anthem Medicare Advantage plans in San Diego County for 2027
CMS lists 4 Anthem Medicare Advantage plans in San Diego County for 2027, alphabetically by carrier. 14 other carriers also offer plans there.
| Plan | Type | Drug coverage | For 2027 |
|---|---|---|---|
| Elevance Health (Anthem) 4 plans | |||
| Anthem Kidney Care (PPO C-SNP) | PPO C-SNP | Yes | New |
| Anthem Medicare Advantage (HMO-POS) | HMO-POS | Yes | Returning |
| Anthem Prime (HMO-POS) | HMO-POS | Yes | Returning |
| Anthem Select (HMO-POS) | HMO-POS | Yes | Returning |
Source: CMS Medicare Advantage Landscape Source Files, plan years 2026 and 2027. Plan availability is set at the county level. No plan is ranked or recommended; premiums, benefits, networks and star ratings are not shown. Plan details come from the Medicare Plan Finder at medicare.gov or the plan itself.
The 2027 choices, by type
How Anthem Medicare Advantage plans in San Diego County break down for 2027
HMO plans use a network and usually a primary-care doctor and referrals; HMO-POS plans add some out-of-network coverage; PPO plans also cover out-of-network care, at a higher share; PFFS plans pay any provider that accepts the plan’s terms. Special Needs Plans serve people with Medicare and Medicaid (D-SNP), certain chronic conditions (C-SNP) or living in an institution (I-SNP).
Source: CMS Medicare Advantage Landscape Source Files, plan years 2026 and 2027. Plan availability is set at the county level. No plan is ranked or recommended; premiums, benefits, networks and star ratings are not shown. Plan details come from the Medicare Plan Finder at medicare.gov or the plan itself.
Key dates
Medicare enrollment periods at a glance
- Around your 65thInitial Enrollment PeriodA 7-month window around the month you turn 65 — your first chance to sign up.
- October 15 – December 7Annual Enrollment Period (Open Enrollment)Anyone with Medicare can join, switch, or drop a Medicare Advantage or Part D plan.
- January 1 – March 31Medicare Advantage Open EnrollmentIf you're already in a Medicare Advantage plan, you can make one change.
- January 1 – March 31General Enrollment PeriodFor people who missed their first chance to sign up for Part B.
- VariesSpecial Enrollment PeriodTriggered by life events like moving or losing other coverage.
Dates are set by Medicare and apply nationwide. Confirm your personal windows at Medicare.gov or 1-800-MEDICARE.
Explore
When can you enroll? An interactive year
Enrollment windows are federal and the same nationwide. Confirm your personal dates at Medicare.gov or 1-800-MEDICARE.
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The parts of Medicare
Good to know
Frequently asked questions
Do I have to do anything if I like my current Anthem plan?
What happens if my Anthem plan is the one not returning for 2027?
How do I know if I qualify for Anthem Kidney Care, the new C-SNP?
Where can I compare Anthem's plans with the other carriers in San Diego County?
Watch
The Medicare Advantage changes for 2027 in California, in 30 seconds
- CMS — MA Landscape Source File (plan-level availability by county)
- CMS — MA Landscape Source Files, current and coming plan year (year-over-year comparison)
- CMS — Medicare enrollment periods (medicare.gov)
For personalized answers, contact Medicare.gov or 1-800-MEDICARE.
Also for Chula Vista
Sources and methodology
- CMS, Medicare Advantage and Part D Landscape Source Files
- CMS, Medicare Advantage state/county penetration and enrollment files
- U.S. Census Bureau, American Community Survey (table B01001, age 65 and older)
- Medicare.gov, Medicare costs (Part B premium)
- CMS, Medicare prescription drug coverage (Part D) program rules
- CMS, Medicare Advantage and Part D plan-year announcements
- Medicare.gov, enrollment periods and plan rules
Figures cited in this article
- CMS — Medicare Advantage Landscape Source Files (plan years 2026 and 2027): the plan counts and plan names for San Diego County, and the year-over-year comparison showing what is new and what is not returning.
- Medicare.gov: the Annual Enrollment Period dates, the Medicare Advantage Open Enrollment Period dates, the Plan Finder tool, and the explanation of Special Needs Plans.
- CMS: the confirmed 2027 Part D out-of-pocket cap, maximum deductible, and national base beneficiary premium, and the 2026 program figures.
How we put this together: area counts come from the CMS files listed above for the county that contains this city, program figures come from CMS, Medicare.gov and the Social Security Administration, and no plan is ranked or recommended.
By The Medicare Desk · Published . For personalized answers, contact Medicare.gov or 1-800-MEDICARE.
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This page was last updated: October 2026.