Medicare Advantage plans in Klamath County, OR: what changed for 2027
For 2027, Klamath County in Oregon has 4 Medicare Advantage plans that include drug coverage, compared with 6 in 2026, according to the CMS plan landscape files.
3 Advantage plan IDs (not counting Special Needs or Cost plans) listed here for 2026 are not in the 2027 file and 1 plan IDs are new. Some of these are the same plan renamed or merged, so check the Annual Notice of Change from your plan.
How many people here are in Medicare Advantage
In October 2026, 7,593 of the 19,244 people eligible for Medicare in Klamath County were enrolled in a Medicare Advantage or other Medicare health plan, 39.5%. A year earlier it was 7,740 of 18,984 (40.8%).
CMS counts enrollees in all Medicare health plans, including Advantage, cost and PACE plans, by the county where they live.
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.
Advantage plans with drug coverage for 2027 (4)
| Plan | Company | Type | Monthly premium | In-network out-of-pocket limit | Star rating |
|---|---|---|---|---|---|
| ATRIO Choice Rx (PPO) | ATRIO Health Plans | PPO | $26.00 | $7,150 | 2.5 of 5 |
| PacificSource Medicare Cascade Classic Rx (HMO-POS) | PacificSource Medicare | HMO-POS | $98.00 | $9,850 | 3 of 5 |
| ATRIO Prime Rx (PPO) | ATRIO Health Plans | PPO | $139.00 | $4,450 | 2.5 of 5 |
| PacificSource Medicare Cascade Premier Rx (HMO-POS) | PacificSource Medicare | HMO-POS | $198.00 | $7,150 | 3 of 5 |
Advantage plans without drug coverage for 2027 (2)
| Plan | Company | Type | Monthly premium | In-network out-of-pocket limit | Star rating |
|---|---|---|---|---|---|
| ATRIO Freedom (PPO) | ATRIO Health Plans | PPO | Not listed | $7,150 | 2.5 of 5 |
| PacificSource Medicare Oregon Basic (HMO-POS) | PacificSource Medicare | HMO-POS | Not listed | $6,250 | 3 of 5 |
Special Needs Plans for 2027 (5)
| Plan | Company | Type | Monthly premium | In-network out-of-pocket limit | Star rating |
|---|---|---|---|---|---|
| ATRIO Special Needs Plan (HMO D-SNP) | ATRIO Health Plans | HMO D-SNP · Dual-Eligible | $0 | $9,850 | 2.5 of 5 |
| AgeRight Advantage Health Plan (HMO I-SNP) | AgeRight Advantage | HMO I-SNP · Institutional | $0 | $9,850 | Not Enough Data Available |
| PacificSource Oregon Dual Rx (HMO D-SNP) | PacificSource Medicare | HMO D-SNP · Dual-Eligible | $0 | $9,250 | 3 of 5 |
| AgeRight Advantage Premier Health Plan (HMO C-SNP) | AgeRight Advantage | HMO C-SNP · Chronic or Disabling Condition | $69.00 | $6,500 | Not Enough Data Available |
| AgeRight Advantage Plus Health Plan (HMO I-SNP) | AgeRight Advantage | HMO I-SNP · Institutional | $74.00 | $6,000 | Not Enough Data Available |
Stand-alone Part D drug plans are offered statewide: see Oregon drug plans.
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)
- Centers for Medicare & Medicaid Services, MA State/County Penetration files, October 2026 and October 2025
Checked 29 October 2026. Plans and premiums can change before 1 January 2027. Confirm any plan on Medicare.gov before you enrol.