Medicare 2026
Before You Renew in Oklahoma City: 2027 Medicare Shifts
Oklahoma City, fall 2026 — Annual Enrollment for 2027 Medicare coverage opens October 15, 2026 and closes December 7, 2026. If you live in or near Oklahoma City, this is the window to look at what your current plan will look like next year and decide whether to keep it, switch it, or leave it alone. CMS has already locked in some 2027 Part D numbers you can plan around. Other key figures — including the 2027 Part B premium and the IRMAA income brackets — have not been announced yet and will come later this fall.
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Key takeaways
- The Annual Enrollment Period runs October 15 to December 7, 2026; any change you make takes effect January 1, 2027.
- CMS has confirmed three 2027 Part D figures: a $2,400 out-of-pocket cap, a $700 maximum deductible, and a $41.33 national base beneficiary premium.
- The 2027 Part B standard premium, Part B deductible, and IRMAA income brackets have not been announced yet — CMS typically publishes them in November.
- Watch for your plan's Annual Notice of Change (ANOC) in September; it spells out exactly what is changing for your plan in 2027.
What CMS has already confirmed for 2027
Three Part D numbers are set for 2027, and they matter whether you have a stand‑alone drug plan or drug coverage through a Medicare Advantage plan:
- Part D out-of-pocket cap: $2,400 in 2027 (up from $2,100 in 2026). Once your out-of-pocket spending on covered drugs hits that cap, you pay $0 for the rest of the year.
- Part D maximum deductible: $700 in 2027 (up from $615 in 2026). Plans can set a deductible up to this amount; many set it lower.
- Part D national base beneficiary premium: $41.33 for 2027. This is a formula input CMS uses — it is not what any specific plan charges.
The coverage gap (the old "donut hole") was eliminated in 2025, so Part D now has three phases: deductible, initial coverage, and catastrophic. The Medicare Prescription Payment Plan, which lets you spread your drug costs across the calendar year in monthly bills, continues to be available if you want it.
What CMS has not announced yet
A few numbers people ask about every fall are still pending:
- The 2027 Part B standard premium and the Part B deductible.
- The 2027 IRMAA income brackets and the surcharge amounts for higher‑income beneficiaries. (For reference, in 2026 IRMAA surcharges begin above $109,000 in income for a single filer.)
CMS usually releases these in November. Until then, we would rather tell you "not yet announced" than quote a projection. If you see a specific 2027 Part B premium floating around before CMS posts it, treat it as a guess.
Read your Annual Notice of Change
If you are already in a Medicare Advantage plan or a stand‑alone Part D plan, your insurer has to send you an Annual Notice of Change (ANOC) by the end of September. It is the single most useful document you will get this season. The ANOC compares what your plan looked like in 2026 to what it will look like in 2027 — the premium, deductible, drug tiers, copays, provider and pharmacy network notes, and extra benefits.
If you do nothing during AEP, your plan simply renews for 2027 with the changes listed in the ANOC. Nothing happens automatically to a person who does nothing — but "nothing" means you accept whatever is in that notice. Read it.
A few things to look for:
- Is your plan still being offered in 2027? Some plans in the area are not returning next year.
- Are your regular prescriptions still on the formulary, and in the same tier?
- Are your doctors and preferred pharmacies still in network?
- Did the premium, deductible, or primary‑care and specialist cost‑sharing change?
How plan availability is moving around Oklahoma City
Oklahoma City is in Oklahoma County, where CMS's 2026 Landscape file shows 60 Medicare Advantage plans from 9 carriers, all of them including drug coverage. There are 23 Special Needs Plans in that mix for people who qualify (dual‑eligible, chronic condition, or institutional). By plan type, the county has 18 HMO, 7 HMO‑POS, 34 PPO, and 1 PFFS plan. Oklahoma County shows 0 stand‑alone Part D plans in the Landscape file this year — most people in the area who want drug coverage get it bundled inside a Medicare Advantage plan.
For 2027, the carriers serving the county have told CMS that 9 plans will not return, 8 new plans will be added, and 7 plans are being renamed. We cannot tell you from the Landscape file which specific plan took on which change — the ANOC and the plan's own 2027 documents will say. If your plan is one that is not returning, you have a Special Enrollment Period and should not wait until December 7 to act.
The nine carriers offering MA‑PD plans in Oklahoma County for 2026 are: Aetna (CVS Health), American Health Advantage of Oklahoma, Blue Cross Blue Shield (HCSC), Centene (WellCare), CommunityCare Senior Health Plan, Devoted Health, GlobalHealth, Humana, and UnitedHealthcare. The table below lists every plan each one offers in the county.
A quick word on Star Ratings
CMS Star Ratings (1 to 5 stars) measure plan quality on things like member experience, customer service, and how well plans manage chronic conditions. They are a useful input, not a verdict. We are not using them to point you at any plan here, and in Oklahoma County 0 contracts are currently rated 4 stars or higher — which is one more reason to compare plans on the things that affect you personally: your drugs, your doctors, and your budget.
Your 2026 calendar for 2027 coverage
- By late September 2026: ANOC arrives from your current plan.
- October 15, 2026: Annual Enrollment Period opens. Plan Finder on medicare.gov is updated with 2027 plans.
- Later in fall 2026 (usually November): CMS announces the 2027 Part B premium, Part B deductible, and IRMAA brackets.
- December 7, 2026: AEP closes. Any change you made takes effect January 1, 2027.
- January 1 – March 31, 2027: Medicare Advantage Open Enrollment, if you are already in an MA plan and want to switch MA plans or go back to Original Medicare.
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 Oklahoma County
(MA penetration in Oklahoma 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.
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.
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The parts of Medicare
Good to know
Frequently asked questions
What is the Part D out-of-pocket cap in 2027?
Has CMS announced the 2027 Part B premium yet?
What happens if I do nothing during Annual Enrollment?
How many Medicare Advantage plans are offered around Oklahoma City?
- CMS — Medicare Part D program rules (medicare.gov)
- CMS — Medicare enrollment periods (medicare.gov)
- CMS — MA/Part D Landscape & Plan Finder data
For personalized answers, contact Medicare.gov, 1-800-MEDICARE, or your local SHIP.
Also for Oklahoma City
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This page was last updated: October 2026.