Medicare plan changes in Oklahoma for 2027
Across 77 counties in Oklahoma, the 2027 CMS file lists 882 county listings of Medicare Advantage plans with drug coverage, compared with 1,240 in 2026. By our count, 7 counties have none in 2027, including counties that do not appear in the CMS file at all.
Before you choose a plan
Compare plans for your ZIP code, drugs and doctors on the official Medicare Plan Finder, or call 1-800-MEDICARE (1-800-633-4227). Free, unbiased counselling is available from your State Health Insurance Assistance Program at shiphelp.org.
By county
| County | 2026 plans | 2027 plans | Change | Companies leaving |
|---|---|---|---|---|
| Adair County | 21 | 16 | -5 | Centene Corporation, Health Care Service Corporation |
| Alfalfa County | 12 | 5 | -7 | Health Care Service Corporation, UnitedHealth Group, Inc. |
| Atoka County | 11 | 5 | -6 | Health Care Service Corporation |
| Beaver County | 5 | 0 | -5 | UnitedHealth Group, Inc. |
| Beckham County | 5 | 5 | +0 | None |
| Blaine County | 12 | 10 | -2 | Health Care Service Corporation |
| Bryan County | 12 | 6 | -6 | Health Care Service Corporation, UnitedHealth Group, Inc. |
| Caddo County | 19 | 8 | -11 | Centene Corporation, Health Care Service Corporation, UnitedHealth Group, Inc. |
| Canadian County | 31 | 26 | -5 | Centene Corporation |
| Carter County | 17 | 9 | -8 | Health Care Service Corporation |
| Cherokee County | 20 | 13 | -7 | Centene Corporation, Health Care Service Corporation |
| Choctaw County | 7 | 6 | -1 | None |
| Cimarron County | 5 | 0 | -5 | UnitedHealth Group, Inc. |
| Cleveland County | 28 | 25 | -3 | Centene Corporation |
| Coal County | 13 | 8 | -5 | Health Care Service Corporation |
| Comanche County | 17 | 14 | -3 | Centene Corporation, Health Care Service Corporation |
| Cotton County | 13 | 8 | -5 | Health Care Service Corporation |
| Craig County | 20 | 16 | -4 | Health Care Service Corporation |
| Creek County | 26 | 20 | -6 | Centene Corporation, Health Care Service Corporation, UnitedHealth Group, Inc. |
| Custer County | 12 | 6 | -6 | Health Care Service Corporation |
| Delaware County | 14 | 12 | -2 | Centene Corporation |
| Dewey County | 15 | 5 | -10 | Health Care Service Corporation, UnitedHealth Group, Inc. |
| Ellis County | 3 | 0 | -3 | UnitedHealth Group, Inc. |
| Garfield County | 17 | 10 | -7 | Centene Corporation, Health Care Service Corporation |
| Garvin County | 24 | 20 | -4 | Centene Corporation, Health Care Service Corporation |
| Grady County | 23 | 17 | -6 | Centene Corporation, Health Care Service Corporation |
| Grant County | 13 | 6 | -7 | Health Care Service Corporation, UnitedHealth Group, Inc. |
| Greer County | 12 | 7 | -5 | Health Care Service Corporation |
| Harmon County | 10 | 0 | -10 | Health Care Service Corporation, UnitedHealth Group, Inc. |
| Harper County | 3 | 0 | -3 | UnitedHealth Group, Inc. |
| Haskell County | 12 | 12 | +0 | None |
| Hughes County | 23 | 15 | -8 | Health Care Service Corporation |
| Jackson County | 13 | 3 | -10 | Health Care Service Corporation, UnitedHealth Group, Inc. |
| Jefferson County | 10 | 9 | -1 | Health Care Service Corporation |
| Johnston County | 15 | 7 | -8 | Health Care Service Corporation, UnitedHealth Group, Inc. |
| Kay County | 16 | 8 | -8 | Centene Corporation, Health Care Service Corporation |
| Kingfisher County | 19 | 20 | +1 | Health Care Service Corporation |
| Kiowa County | 15 | 10 | -5 | Health Care Service Corporation |
| Latimer County | 9 | 9 | +0 | None |
| Le Flore County | 15 | 14 | -1 | Centene Corporation |
| Lincoln County | 28 | 22 | -6 | Centene Corporation, UnitedHealth Group, Inc. |
| Logan County | 31 | 26 | -5 | Centene Corporation |
| Love County | 14 | 3 | -11 | Health Care Service Corporation, UnitedHealth Group, Inc. |
| Major County | 13 | 6 | -7 | Health Care Service Corporation, UnitedHealth Group, Inc. |
| Marshall County | 12 | 3 | -9 | Health Care Service Corporation, UnitedHealth Group, Inc. |
| Mayes County | 23 | 18 | -5 | Centene Corporation, Health Care Service Corporation |
| McClain County | 28 | 25 | -3 | Centene Corporation |
| McCurtain County | 7 | 4 | -3 | UnitedHealth Group, Inc. |
| McIntosh County | 22 | 19 | -3 | Centene Corporation, Health Care Service Corporation |
| Murray County | 17 | 12 | -5 | Health Care Service Corporation |
| Muskogee County | 18 | 16 | -2 | Centene Corporation, Health Care Service Corporation |
| Noble County | 14 | 6 | -8 | Health Care Service Corporation, UnitedHealth Group, Inc. |
| Nowata County | 20 | 12 | -8 | Health Care Service Corporation, UnitedHealth Group, Inc. |
| Okfuskee County | 28 | 18 | -10 | Health Care Service Corporation |
| Oklahoma County | 28 | 27 | -1 | Centene Corporation |
| Okmulgee County | 24 | 23 | -1 | Centene Corporation, Health Care Service Corporation |
| Osage County | 24 | 17 | -7 | Centene Corporation, Health Care Service Corporation |
| Ottawa County | 16 | 16 | +0 | Centene Corporation |
| Pawnee County | 23 | 16 | -7 | Health Care Service Corporation |
| Payne County | 5 | 9 | +4 | None |
| Pittsburg County | 21 | 14 | -7 | Centene Corporation, Health Care Service Corporation |
| Pontotoc County | 20 | 9 | -11 | Health Care Service Corporation, UnitedHealth Group, Inc. |
| Pottawatomie County | 25 | 22 | -3 | Centene Corporation, Health Care Service Corporation |
| Pushmataha County | 17 | 12 | -5 | Health Care Service Corporation |
| Roger Mills County | 5 | 0 | -5 | UnitedHealth Group, Inc. |
| Rogers County | 22 | 17 | -5 | Centene Corporation, Health Care Service Corporation |
| Seminole County | 23 | 23 | +0 | Centene Corporation, Health Care Service Corporation |
| Sequoyah County | 15 | 14 | -1 | Centene Corporation |
| Stephens County | 17 | 14 | -3 | Health Care Service Corporation |
| Texas County | 5 | 0 | -5 | UnitedHealth Group, Inc. |
| Tillman County | 9 | 7 | -2 | Health Care Service Corporation |
| Tulsa County | 27 | 23 | -4 | Centene Corporation, Health Care Service Corporation |
| Wagoner County | 24 | 20 | -4 | Centene Corporation, Health Care Service Corporation |
| Washington County | 11 | 10 | -1 | Health Care Service Corporation |
| Washita County | 5 | 5 | +0 | None |
| Woods County | 7 | 2 | -5 | UnitedHealth Group, Inc. |
| Woodward County | 5 | 2 | -3 | UnitedHealth Group, Inc. |
Stand-alone Part D drug plans in Oklahoma for 2027
9 plans in 2027, compared with 11 in 2026. Lowest monthly drug plan premium: $5.30 (2026: $0).
| Plan | Company | Monthly premium | Deductible | Star rating |
|---|---|---|---|---|
| Wellcare Value Script (PDP) | Wellcare | $5.30 | $700 | Not Applicable |
| Humana Basic Rx Plan (PDP) | Humana | $6.30 | $700 | Not Applicable |
| Wellcare Classic (PDP) | Wellcare | $8.30 | $700 | Not Applicable |
| HealthSpring Assurance Rx (PDP) | HealthSpring | $13.60 | $700 | Not Applicable |
| Humana Value Rx Plan (PDP) | Humana | $40.00 | $687 | Not Applicable |
| AARP Medicare Rx Saver from UHC (PDP) | UnitedHealthcare | $116.40 | $700 | Not Applicable |
| Humana Premier Rx Plan (PDP) | Humana | $127.90 | $350 | Not Applicable |
| HealthSpring Extra RX (PDP) | HealthSpring | $162.80 | $700 | Not Applicable |
| AARP Medicare Rx Preferred from UHC (PDP) | UnitedHealthcare | $208.00 | $300 | Not Applicable |
Sources
- Centers for Medicare & Medicaid Services, CY2027 Medicare Advantage and Part D Landscape file (data last updated 18 October 2026)
- Centers for Medicare & Medicaid Services, CY2026 Medicare Advantage and Part D Landscape file (September 2026 release)
- US Census Bureau, 2024 Gazetteer Files, counties
Checked 29 October 2026. Plans and premiums can change before 1 January 2027. Confirm any plan on Medicare.gov before you enrol.