Medicare Advantage plans in Marshall County, OK: what changed for 2027
For 2027, Marshall County in Oklahoma has 3 Medicare Advantage plans that include drug coverage, compared with 12 in 2026, according to the CMS plan landscape files.
Companies no longer offering Advantage plans here in 2027
- Health Care Service Corporation
- UnitedHealth Group, Inc.
If you are in one of their plans, you should have received a notice. You can choose a new plan during Open Enrollment, and special enrollment rules can apply when a plan leaves your area.
12 Advantage plan IDs (not counting Special Needs or Cost plans) listed here for 2026 are not in the 2027 file and 0 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, 1,670 of the 4,413 people eligible for Medicare in Marshall County were enrolled in a Medicare Advantage or other Medicare health plan, 37.8%. A year earlier it was 1,578 of 4,277 (36.9%).
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 (3)
| Plan | Company | Type | Monthly premium | In-network out-of-pocket limit | Star rating |
|---|---|---|---|---|---|
| Aetna Medicare Signature (PPO) | Aetna Medicare | PPO | $0 | $7,150 | 3.5 of 5 |
| HumanaChoice H5216-337 (PPO) | Humana | PPO | $0 | $5,700 | 4 of 5 |
| HumanaChoice H7617-007 (PPO) | Humana | PPO | $60.00 | $9,250 | 4.5 of 5 |
Advantage plans without drug coverage for 2027 (3)
| Plan | Company | Type | Monthly premium | In-network out-of-pocket limit | Star rating |
|---|---|---|---|---|---|
| Humana Gold Choice H8145-126 (PFFS) | Humana | PFFS | Not listed | $9,850 | 4 of 5 |
| Humana USAA Honor Giveback (PPO) | Humana | PPO | Not listed | $4,700 | 4 of 5 |
| Humana USAA Honor Giveback (PPO) | Humana | PPO | Not listed | $4,700 | 4.5 of 5 |
Special Needs Plans for 2027 (5)
| Plan | Company | Type | Monthly premium | In-network out-of-pocket limit | Star rating |
|---|---|---|---|---|---|
| Aetna Medicare Dual Care (PPO D-SNP) | Aetna Medicare | PPO D-SNP · Dual-Eligible | $0 | $9,850 | 3.5 of 5 |
| UHC Dual Advantage OK-V1 (HMO-POS D-SNP) | UnitedHealthcare | HMO-POS D-SNP · Dual-Eligible | $0 | $6,500 | 3.5 of 5 |
| UHC Dual Complete OK-S002 (HMO-POS D-SNP) | UnitedHealthcare | HMO-POS D-SNP · Dual-Eligible | $0 | $9,850 | 3.5 of 5 |
| UHC Dual Complete OK-S001 (PPO D-SNP) | UnitedHealthcare | PPO D-SNP · Dual-Eligible | $10.30 | $9,850 | 4.5 of 5 |
| American Health Advantage of Oklahoma (HMO I-SNP) | American Health Advantage of Oklahoma | HMO I-SNP · Institutional | $11.00 | $9,850 | Not Enough Data Available |
Stand-alone Part D drug plans are offered statewide: see Oklahoma 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.