Jefferson County is in Central Oregon, around Bend, Redmond, Prineville and Madras, with about 25,536 residents (Census 2024 estimate). Its largest towns are Madras, Culver and Metolius.
Most of the Warm Springs Reservation is here, home to the Confederated Tribes of Warm Springs.
Fewer plans and longer drives to a hospital are common here: rural hospitals, telehealth and Medicare.
2027 plans in Jefferson County at a glance
What it means if you live in Jefferson County
- That's 2 plans fewer than in 2026 (5). If you have a Medicare Advantage plan, check your Annual Notice of Change to see whether it continues and what changes. PacificSource ends some Medicare Advantage plans here while keeping others; at least 1,770 people in Jefferson County are in one of those plans. Your plan's letter says whether yours is ending; here is what to do. (CMS data)
- All of them are HMOs: apart from emergencies and urgent care, you generally use the plan's doctors and hospitals. If you see doctors in another county or state, ask whether they're in the network before you choose.
- 1 plan has 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: 1 for people with both Medicare and Oregon Medicaid. You can join one only if you qualify.
- Jefferson County ranks 27th of Oregon's 36 counties for plans open to everyone. In the Central Oregon region (3 counties), the count runs from 3 to 6.
- At least 2,519 people in Jefferson County were in a Medicare Advantage plan in October 2026.
Licensed insurance agents for Jefferson County
These independent insurance agents are licensed in Oregon and work with Benefits Life, the publisher of this site. When they enroll you in a plan, the agent and Benefits Life may be paid by the insurance company. Learn more.
See Medicare plans in Jefferson 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 Oregon county. Medigap in Oregon.
Nearby counties
You can only join a Medicare Advantage plan sold in the county where you live.
| County | Plans open to everyone, 2027 | Special needs plans |
|---|---|---|
| Wasco County | 7 | 4 |
| Deschutes County | 3 | 1 |
| Crook County | 6 | 4 |
| Wheeler County | 3 | 3 |
Insurance agency offices nearest Jefferson 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.
Advanced Benefits Insurance
About 140 miles from Jefferson County
Wheelchair accessible · Free parking · In-home visits available · Video appointments available
2026 Medicare costs (the same in every county)
| Cost | 2026 |
|---|---|
| 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 |
Other places to get answers
- Medicare: 1-800-MEDICARE (1-800-633-4227), TTY 1-877-486-2048, 24 hours a day, or Medicare.gov.
- Social Security (signing up for Parts A and B, Extra Help): 1-800-772-1213, TTY 1-800-325-0778.
- Oregon Health Plan (Oregon's Medicaid, run by the Oregon Health Authority, including help paying Medicare costs): apply at benefits.oregon.gov. The Oregon Health Plan and Medicare.
- Oregon Division of Financial Regulation (complaints about an insurance company or agent, Medigap rules, agent license lookup): dfr.oregon.gov, consumer advocates 1-888-877-4894.
- More Oregon resources, from ODHS aging and disability services to fraud reporting: Oregon resources.
Questions about Medicare in Jefferson County
How many Medicare Advantage plans are there in Jefferson County for 2027?
CMS lists 3 open to everyone with Medicare (5 in 2026), plus 1 special needs plans for people who qualify. You still pay your Part B premium.
When can I change my Medicare plan in Jefferson 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 Jefferson 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 Oregon.
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.