2027 alertUnitedHealthcare, Blue Cross and Blue Shield of Oklahoma, Wellcare and Humana end some Medicare Advantage plans in Oklahoma on December 31. (CMS data) 25 days left in Annual Enrollment (ends Dec. 7).Is your plan ending? →

Medicare in Dewey County

For 2027, CMS lists 7 Medicare Advantage plans open to everyone with Medicare in Dewey County, plus 6 special needs plans and 9 standalone Part D drug plans. Original Medicare and Medigap work here as anywhere in Oklahoma.

Dewey County is in northwestern and north central Oklahoma, from Woodward to Enid, Stillwater and Ponca City, with about 4,268 residents (Census 2024 estimate). Its largest towns are Seiling, Vici and Leedey.

Fewer plans and longer drives to a hospital are common here: rural hospitals, telehealth and Medicare.

2027 plans in Dewey County at a glance

7Medicare Advantage plans open to everyone (2026: 20)
6special needs plans
9standalone Part D drug plans
93people in Medicare Advantage (Oct. 2026)

Source: CMS Landscape and enrollment files

What it means if you live in Dewey County

  • That's 13 plans fewer than in 2026 (20). If you have a Medicare Advantage plan, check your Annual Notice of Change to see whether it continues and what changes. UnitedHealthcare and Blue Cross and Blue Shield of Oklahoma stop selling regular Medicare Advantage plans here on December 31; at least 16 people in Dewey County are in one of those plans. If that's you, here is what to do. (CMS data)
  • All of them are PPOs, which also pay for doctors outside the network, usually at a higher cost to you.
  • 2 plans have no Part D drug coverage. Those suit people who get drug coverage elsewhere, such as from the VA; otherwise you could owe a late-enrollment penalty for going without it.
  • Special needs plans here: 6 for people with both Medicare and Oklahoma Medicaid. You can join one only if you qualify.
  • Dewey County ranks 62nd of Oklahoma's 77 counties for plans open to everyone. In the Northwest and North Central region (14 counties), the count runs from 0 to 26.
  • At least 93 people in Dewey County were in a Medicare Advantage plan in October 2026.

Talk with a licensed insurance agent

Find licensed insurance agents in Oklahoma on MedicareAgents.com.

Find an agent

See Medicare plans in Dewey County

Enter your ZIP code to compare Medicare Advantage, Part D, and Medigap plans available where you live.

You'll go to PlanMatchMedicare.com, a plan comparison site from Benefits Life, the publisher of this site. Only your ZIP code is sent.

Original Medicare and Medigap

If you'd rather keep any doctor who takes Medicare, Original Medicare with a Medigap policy and a Part D plan works the same in every Oklahoma county. Medigap in Oklahoma.

Nearby counties

You can only join a Medicare Advantage plan sold in the county where you live.

CountyPlans open to everyone, 2027Special needs plans
Custer County84
Blaine County1311
Woodward County46
Major County88

All 77 Oklahoma counties.

Insurance agency offices nearest Dewey County

These offices are independently owned by licensed insurance agents and agencies that work with Benefits Life, the publisher of this site. They are not Benefits Life offices. When they enroll you in a plan, the agency and Benefits Life may be paid by the insurance company. If you already have an agent, contact your agent for help with your plan. Learn more.

Integrity Insurance Group

About 170 miles from Dewey County

6144 S Lewis Avenue, Suite 200, Tulsa, OK 74136

Hours: Mon–Fri 8 AM – 4:30 PM

Wheelchair accessible · Free parking · Video appointments available

See all Oklahoma offices →

2026 Medicare costs (the same in every county)

Cost2026
Part B premium$202.90 a month (standard)
Part B deductible$283 a year
Part A deductible$1,736 per benefit period
Part D out-of-pocket cap$2,100 a year

All 2026 Medicare costs.

Other places to get answers

Questions about Medicare in Dewey County

How many Medicare Advantage plans are there in Dewey County for 2027?

CMS lists 7 open to everyone with Medicare (20 in 2026), plus 6 special needs plans for people who qualify. You still pay your Part B premium.

When can I change my Medicare plan in Dewey County?

Open Enrollment runs October 15 to December 7, for coverage starting January 1. If you're in a Medicare Advantage plan, you can switch plans or go back to Original Medicare once between January 1 and March 31. If your plan leaves your county, you get a Special Enrollment Period.

How do I find a licensed insurance agent in Dewey County?

Use the agent search on this page, pick one agent and request a call, to compare plans with a licensed insurance agent at no cost to you. Agents listed here are licensed in Oklahoma.

Sources

Plans open to everyone are Medicare Advantage plans with or without drug coverage, not special needs plans. Enrollment counts HMO and PPO plans; CMS hides counts of 10 or fewer, so real numbers are a little higher.