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Direct answer: CMS projects the average Medicare Advantage premium will fall from $14.37 a month in 2026 to $12.00 in 2027. The most a plan can make you pay in network for covered services rises from $9,250 to $9,850. Open enrollment runs Oct. 15 to Dec. 7, 2026; changes start Jan. 1.
By the numbers: About 34 million people (47.4% of people with Medicare) are projected to be in Medicare Advantage in 2027, choosing among about 5,532 plans (5,553 in 2026). Source: CMS, Sept. 28, 2026
“People who want to keep their current Medicare coverage generally do not need to re-enroll.” — CMS, Sept. 28, 2026
Updated 2026-10-18
CMS projects a weighted average of $12.00 a month in 2027, down from $14.37 in 2026 (16.5% lower). That is the plan premium only: you still pay your Part B premium. Your own plan's premium can be higher or lower, and many plans charge $0.
CMS's 2027 limit is $9,850 a year for in-network Part A and Part B services (up from $9,250 in 2026). For plans that also cover out-of-network care, such as PPOs, the combined limit is $14,800 (up from $13,900). Plans can set lower limits; check your plan's own number.
October 15 to December 7, 2026. The plan must get your request by December 7, and changes start January 1, 2027. If you're already in a Medicare Advantage plan, you also get one change from January 1 to March 31, 2027 (Medicare.gov).
CMS lists 155 Medicare Advantage plans in Tennessee for 2027, up from 132 in 2026. The average Tennessee plan premium goes from $12.52 to $11.73 a month, and every Tennessean with Medicare can get a plan with a $0 premium. Which plans you can join depends on your county.
Generally no. CMS says people who want to keep their current coverage generally don't need to re-enroll. Read your plan's Annual Notice of Change: premiums, copays, drug lists and doctor networks can change every year.
Use Medicare Plan Finder at Medicare.gov, call 1-800-MEDICARE (open 24/7), or call your State Health Insurance Assistance Program (SHIP). In Tennessee, TN SHIP gives free, unbiased counseling at 1-877-801-0044. SHIP counselors don't sell insurance.
CMS Sept. 28, 2026 release, CMS CY 2027 MOOP limits and 2027 state fact sheets; Medicare.gov and TN SHIP checked Oct. 18, 2026.
As of Oct. 18, 2026 · CMS 2027 Medicare Advantage figures · Open enrollment Oct. 15 - Dec. 7, 2026
Sources: CMS Sept. 28, 2026 release · CMS MOOP limits (CY 2027 + 2026) · CMS 2027 state fact sheets
We don't pick plans. These free, official options show every plan in your county with your own doctors and drugs:
| Item | 2026 | 2027 |
|---|---|---|
| Average monthly Medicare Advantage premium (CMS projection) | $14.37 | $12.00 |
| Average drug (Part D) premium inside Advantage plans with drug coverage | $11.32 | $7 |
| Medicare Advantage plans nationwide | 5,553 | about 5,532 |
| In-network out-of-pocket limit (highest CMS allows) | $9,250 | $9,850 |
| In + out of network combined limit (highest CMS allows) | $13,900 | $14,800 |
| In-network “intermediate” limit tier | $6,750 | $7,150 |
| In-network “lower” limit tier | $4,200 | $4,450 |
| Open enrollment | Oct. 15 - Dec. 7, 2025 | Oct. 15 - Dec. 7, 2026 |
| Tennessee: Advantage plans | 132 | 155 |
| Tennessee: average Advantage premium | $12.52 | $11.73 |
Sources: CMS Sept. 28, 2026 release · CMS MOOP limits (CY 2027 + 2026) · CMS 2027 state fact sheets · Medicare.gov Open Enrollment. Premiums are the plan's premium only; you still pay your Part B premium. The 2027 Part B premium had not been announced when we checked.
Source: CMS MOOP limits (CY 2027 + 2026), “MOOP Limits” table in the CY 2027 and CY 2026 calculation files.
Sources: Medicare.gov Open Enrollment · Medicare.gov joining a plan
Source: CMS 2027 state fact sheets
How we checked: every figure was read from CMS, Medicare.gov or tn.gov on Oct. 18, 2026; the CMS limit files and state fact sheets are saved with checksums, and the math on this page (16.5%, +$600, +$900) is tested in code. National averages and plan counts are CMS projections from plan bids.
Facts only. We don't recommend any plan or company, and no plan pays us. A plan that's right for one person can be wrong for another, so compare your own doctors, drugs and costs in Medicare Plan Finder or with free SHIP counseling.
CMS projects a weighted average of $12.00 a month in 2027, down from $14.37 in 2026 (16.5% lower). That is the plan premium only: you still pay your Part B premium. Your own plan's premium can be higher or lower, and many plans charge $0.
CMS's 2027 limit is $9,850 a year for in-network Part A and Part B services (up from $9,250 in 2026). For plans that also cover out-of-network care, such as PPOs, the combined limit is $14,800 (up from $13,900). Plans can set lower limits; check your plan's own number.
October 15 to December 7, 2026. The plan must get your request by December 7, and changes start January 1, 2027. If you're already in a Medicare Advantage plan, you also get one change from January 1 to March 31, 2027 (Medicare.gov).
CMS lists 155 Medicare Advantage plans in Tennessee for 2027, up from 132 in 2026. The average Tennessee plan premium goes from $12.52 to $11.73 a month, and every Tennessean with Medicare can get a plan with a $0 premium. Which plans you can join depends on your county.
Generally no. CMS says people who want to keep their current coverage generally don't need to re-enroll. Read your plan's Annual Notice of Change: premiums, copays, drug lists and doctor networks can change every year.
Use Medicare Plan Finder at Medicare.gov, call 1-800-MEDICARE (open 24/7), or call your State Health Insurance Assistance Program (SHIP). In Tennessee, TN SHIP gives free, unbiased counseling at 1-877-801-0044. SHIP counselors don't sell insurance.
Facts, not insurance advice. We don't sell insurance or provide quotes; confirm coverage and requirements with the insurer, an agent or your state insurance department.