Medicare Advantage
Anthem's 2027 Medicare Advantage plans in St. Louis: the full lineup, plan by plan
St. Louis — Fall 2026. Anthem's Medicare Advantage lineup in the city of St. Louis for 2027 holds steady at five plans, according to the CMS Medicare Advantage Landscape Source File for the coming plan year. If you have an Anthem plan now, or you are weighing one for January, this is a good moment to see what the carrier is offering locally and to check each option against your own doctors and prescriptions before the December 7 deadline.
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Key takeaways
- Anthem (grouped by CMS as Elevance Health) offers 5 Medicare Advantage plans in St. Louis city for 2027: 2 HMOs, 2 HMO-POS plans, and 1 PPO.
- Three of those plans are Special Needs Plans (2 D-SNPs and 1 C-SNP), and 4 of the 5 include Part D drug coverage.
- No Anthem plans are new for 2027 and none are leaving the county, but every renewing plan has an Annual Notice of Change (ANOC) worth reading.
- The Annual Enrollment Period runs October 15 – December 7, 2026; any change you make takes effect January 1, 2027.
| Fact | Figure | Source |
|---|---|---|
| Medicare Advantage plans offered in St. Louis city (2026) | 79 | CMS |
| Medicare Advantage plans offered in St. Louis city (2027) | 80 | CMS |
| Plans not returning for 2027 / new for 2027 | 10 / 11 | CMS |
| Organizations offering Medicare Advantage in St. Louis city (2026) | 11 | CMS |
| Share of eligible beneficiaries in Medicare Advantage, St. Louis city | 65% | CMS |
| Residents age 65 and older, St. Louis city | 44,707 | 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.
MyMedicarePlans.org is an independent news and education site. We are not Anthem, and we are not Medicare. Anthem is one of 11 carriers offering Medicare Advantage plans in St. Louis city for 2027; together, those carriers offer 80 plans in the county.
What Medicare Advantage plans does Anthem offer in St. Louis for 2027?
Anthem offers 5 Medicare Advantage plans in St. Louis city for 2027. By plan type, that is 2 HMOs, 2 HMO-POS plans, and 1 PPO. Three of the five are Special Needs Plans — 2 Dual Eligible SNPs (D-SNPs) for people with both Medicare and Medicaid, and 1 Chronic Condition SNP (C-SNP) for people with a qualifying condition. Four of the five include Part D prescription drug coverage; one does not.
The table below lists every Anthem plan in the county, with its plan type and whether it includes drug coverage. In alphabetical order, the plans are Anthem Chronic Care (HMO-POS C-SNP), Anthem Full Dual Advantage (HMO D-SNP), Anthem Full Dual Advantage 2 (HMO D-SNP), Anthem Medicare Advantage (HMO-POS), and Anthem Veteran (PPO).
What is new or not returning from Anthem in St. Louis for 2027?
For 2027, Anthem has no new Medicare Advantage plans in St. Louis city and no plans leaving. All five plans on offer this year return next year under the same names.
That does not mean nothing changes. Each renewing plan sends an Annual Notice of Change (ANOC) in September that spells out what will be different in 2027 — premiums, copays, the drug formulary, the provider network, and extra benefits can all shift from one year to the next. If your ANOC is still in a pile of mail, pull it out before you decide to stay put.
Who are the Anthem Special Needs Plans for?
Anthem's three Special Needs Plans in St. Louis city for 2027 are built for specific groups. The two D-SNPs — Anthem Full Dual Advantage and Anthem Full Dual Advantage 2 — are for people who qualify for both Medicare and Missouri Medicaid. The C-SNP, Anthem Chronic Care, is for people with a qualifying chronic condition.
SNPs have enrollment rules the general plans do not. You have to document that you qualify, and if you lose eligibility (for example, your Medicaid status changes), you can be moved out of the plan. If a SNP looks like a fit, call the plan or Medicare to confirm you meet the criteria before enrolling.
How do I check an Anthem plan against my doctors and prescriptions?
The most reliable way is the Medicare Plan Finder at medicare.gov. Enter your ZIP code and your prescription list, and the tool will show every plan in St. Louis city — Anthem's and the other 10 carriers' — side by side, with the estimated yearly drug cost based on your medications and the pharmacies you use.
A few steps worth taking before December 7, 2026:
- Make a current list of your prescriptions, including dose and how often you take each one.
- List the doctors, specialists and hospitals you want to keep, and check each plan's provider directory to confirm they are in network for 2027 (networks can change year to year).
- Check your pharmacy, since a plan's "preferred" pharmacies often cost less than its "standard" ones.
- Read your ANOC if you are already in an Anthem plan, and compare the 2027 details to what you had in 2026.
You can also call 1-800-MEDICARE (TTY 1-877-486-2048), 24 hours a day, 7 days a week, for help running a plan comparison. For plan-specific details — the Evidence of Coverage, the full formulary, the provider directory — go directly to the plan.
What are the key dates and 2027 Medicare figures to know?
Medicare's Annual Enrollment Period runs October 15 – December 7, 2026. Any plan change you make in that window takes effect January 1, 2027. If you do nothing and your current plan is offered next year, it renews automatically with the changes listed in its ANOC.
A few 2027 program figures CMS has already confirmed:
- The Part D out-of-pocket cap rises to $2,400 in 2027 (up from $2,100 in 2026).
- The Part D maximum deductible is $700 in 2027 (up from $615 in 2026).
- The Part D national base beneficiary premium for 2027 is $41.33 — a formula input, not what any particular plan charges.
CMS has not yet announced the 2027 Part B standard premium and deductible or the 2027 IRMAA income brackets; those usually come out in the fall, generally in November.
If you miss December 7 and want to switch Medicare Advantage plans, the Medicare Advantage Open Enrollment Period runs January 1 – March 31, 2027, with one allowed change.
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 St. Louis city
(MA penetration in St. Louis city)
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 St. Louis city for 2027
CMS lists 5 Anthem Medicare Advantage plans in St. Louis city for 2027, alphabetically by carrier. 10 other carriers also offer plans there.
| Plan | Type | Drug coverage | For 2027 |
|---|---|---|---|
| Elevance Health (Anthem) 5 plans | |||
| Anthem Chronic Care (HMO-POS C-SNP) | HMO-POS C-SNP | Yes | Returning |
| Anthem Full Dual Advantage (HMO D-SNP) | HMO D-SNP | Yes | Returning |
| Anthem Full Dual Advantage 2 (HMO D-SNP) | HMO D-SNP | Yes | Returning |
| Anthem Medicare Advantage (HMO-POS) | HMO-POS | Yes | Returning |
| Anthem Veteran (PPO) | PPO | No | 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 St. Louis city 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 PeriodAnyone 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.
Explore
The parts of Medicare
Good to know
Frequently asked questions
Do I have to do anything during Annual Enrollment if I like my Anthem plan?
How do I know if I qualify for one of Anthem's Special Needs Plans in St. Louis?
What is the difference between an HMO, an HMO-POS and a PPO?
Where can I compare Anthem's plans with the other carriers in St. Louis?
Watch
The Medicare Advantage changes for 2027 in every state, 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 St. Louis
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 File (plan year 2027): Anthem's plan count, plan types, SNP counts, drug coverage counts, and total carrier/plan counts in St. Louis city.
- CMS Medicare Advantage Landscape Source Files (2026 and 2027): year-over-year comparison of new, renaming and non-returning plans.
- Medicare.gov: Annual Enrollment and Medicare Advantage Open Enrollment dates, and the Plan Finder tool.
- CMS: confirmed 2026 and 2027 Part D figures (out-of-pocket cap, maximum deductible, national base beneficiary premium).
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.