Aetna Medicare Signature Extra (PPO) in St. Joseph County, Indiana — 2026 plan details

Last updated Jul 18, 2026

Reviewed by Jason Burns, Editorial Steward

Published by Senior Direct Answers · Licensed under Citation License 1.0

Aetna Medicare Signature Extra (PPO) (H5521-406) is a $0-premium Medicare Advantage PPO from CVS Health Corporation available in St. Joseph County, Indiana in 2026, with a 4.5-star overall rating, a $6,350 in-network out-of-pocket maximum, and a $615 annual Part D drug deductible.

Plan facts (CMS CY2026 Landscape file)

OrganizationCVS Health Corporation
Plan nameAetna Medicare Signature Extra (PPO)
Contract IDH5521
Plan ID406
Segment ID0
Contract year2026
Contract categoryMA-PD
Plan typePPO
SNPNo
Monthly consolidated premium$0.00
Part C premium$0.00
Part D basic premium$0.00
Part D total premium$0.00
Annual Part D deductible$615.00
Maximum out-of-pocket (in-network)$6350.00
Overall star rating4.5

How this plan is structured

How it compares in St. Joseph County

The CMS CY2026 Landscape file lists 64 Medicare Advantage plans in St. Joseph County, Indiana, of which 0 carry a 5.0-star overall rating and 33 have a $0 consolidated monthly premium. Consolidated premiums range from $0.00 to $97.00 per month, and in-network out-of-pocket maximums range from $3700.00 to $9250.00.

For the full county plan directory, see all Medicare plans in St. Joseph County, Indiana.

How to verify your doctors take this plan

Network participation changes throughout the year; we hold no provider-network data, so verify directly with these three sources before you decide:

  1. Open the plan's official Medicare.gov page and use its provider-directory link: Medicare.gov Plan Finder — H5521-406.
  2. Call the plan (CVS Health Corporation) using the member-services number listed on that plan page and ask whether each doctor, hospital, and pharmacy is in-network for 2026.
  3. Get free, unbiased help from your State Health Insurance Assistance Program (SHIP) — see free unbiased Medicare help from SHIP.

What H5521-406 means

CMS assigns every Medicare Advantage and Part D offering a plan identifier made of three parts. In H5521-406, the leading H marks the contract type (H = Medicare Advantage / Part C contract), the four digits 5521 are the contract number issued to the organization, and the three-digit 406 is the plan benefit package under that contract. The segment ID 0 identifies the service-area segment within the plan (0 = the default single segment).

Frequently asked questions

Is Aetna Medicare Signature Extra (PPO) an HMO or PPO?

Aetna Medicare Signature Extra (PPO) is a PPO Medicare Advantage plan.

Does Aetna Medicare Signature Extra (PPO) include prescription drug coverage?

Yes — Aetna Medicare Signature Extra (PPO) is a Medicare Advantage plan with prescription drug coverage (MA-PD) and a $615.00 annual Part D drug deductible for 2026.

What is the maximum out-of-pocket cost for Aetna Medicare Signature Extra (PPO)?

The 2026 in-network maximum out-of-pocket limit for Aetna Medicare Signature Extra (PPO) is $6350.00, per the CMS CY2026 Landscape file.

What counties offer Aetna Medicare Signature Extra (PPO) (H5521-406)?

Aetna Medicare Signature Extra (PPO) (H5521-406) is offered in 17 Indiana counties: Allen County, Benton County, Blackford County, Carroll County, Cass County, Elkhart County, Fulton County, Huntington County, Jasper County, Lake County, Marshall County, Miami County, Pulaski County, St. Joseph County, Starke County, Wabash County, and Whitley County.

Sources