Open enrollment 2027
Medicare Advantage in Oklahoma, county by county.
37 of 77 counties have a page with their 2027 plans, the plans that end and who must pick a new plan. 345,724 people in the state had an individual Medicare Advantage plan in October 2026.
Sources: CMS CY2027 and CY2026 plan files, CMS CPSC enrollment October 2026, CMS 2027 Plan Crosswalk (October 1, 2026). Smaller counties open in the free lookup instead.
Counties
- Adair
- Alfalfalookup
- Atokalookup
- Beaverlookup
- Beckhamlookup
- Blainelookup
- Bryan
- Caddo
- Canadian
- Carter
- Cherokee
- Choctawlookup
- Cimarronlookup
- Cleveland
- Coallookup
- Comanche
- Cottonlookup
- Craiglookup
- Creek
- Custerlookup
- Delaware
- Deweylookup
- Ellislookup
- Garfield
- Garvin
- Grady
- Grantlookup
- Greerlookup
- Harmonlookup
- Harperlookup
- Haskelllookup
- Hugheslookup
- Jacksonlookup
- Jeffersonlookup
- Johnstonlookup
- Kay
- Kingfisherlookup
- Kiowalookup
- Latimerlookup
- Le Flore
- Lincoln
- Logan
- Lovelookup
- Majorlookup
- Marshalllookup
- Mayes
- McClain
- McCurtain
- McIntosh
- Murraylookup
- Muskogee
- Noblelookup
- Nowatalookup
- Okfuskeelookup
- Oklahoma
- Okmulgee
- Osage
- Ottawa
- Pawneelookup
- Payne
- Pittsburg
- Pontotoc
- Pottawatomie
- Pushmatahalookup
- Roger Millslookup
- Rogers
- Seminole
- Sequoyah
- Stephens
- Texaslookup
- Tillmanlookup
- Tulsa
- Wagoner
- Washington
- Washitalookup
- Woodslookup
- Woodwardlookup
All states. Agents can get every county in one file with the AEP 2027 County Kit.