Wellcare Simple Open (PPO) in Creek County, Oklahoma — 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
Wellcare Simple Open (PPO) (H4537-001) is a $0-premium Medicare Advantage PPO from Centene Corporation available in Creek County, Oklahoma in 2026, with a —-star overall rating, a $7,500 in-network out-of-pocket maximum, and a $615 annual Part D drug deductible.
Plan facts (CMS CY2026 Landscape file)
| Organization | Centene Corporation |
|---|---|
| Plan name | Wellcare Simple Open (PPO) |
| Contract ID | H4537 |
| Plan ID | 001 |
| Segment ID | 0 |
| Contract year | 2026 |
| Contract category | MA-PD |
| Plan type | PPO |
| SNP | No |
| 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) | $7500.00 |
| Overall star rating | — |
How this plan is structured
- $0 consolidated premium. A $0 or near-$0 consolidated premium does not remove the Part B premium — the standard 2026 Part B premium is $202.90 per month and still applies. See the 2026 Medicare Part B premium.
- PPO plan type. Plan-type rules determine in-network use and referrals. See how Medicare Advantage HMO and PPO plans differ.
- $7,500 in-network out-of-pocket maximum. The MOOP is the annual cap on what a member pays in-network for covered Part A and Part B services. See how the Medicare Advantage MOOP works.
- Service area = Creek County. Medicare Advantage plans are sold by service area; moving out of the plan's service area triggers a Special Enrollment Period to switch plans. See how moving changes your Medicare options.
How it compares in Creek County
The CMS CY2026 Landscape file lists 58 Medicare Advantage plans in Creek County, Oklahoma, 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 $159.00 per month, and in-network out-of-pocket maximums range from $3400.00 to $9250.00.
For the full county plan directory, see all Medicare plans in Creek County, Oklahoma.
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:
- Open the plan's official Medicare.gov page and use its provider-directory link: Medicare.gov Plan Finder — H4537-001.
- Call the plan (Centene Corporation) using the member-services number listed on that plan page and ask whether each doctor, hospital, and pharmacy is in-network for 2026.
- Get free, unbiased help from your State Health Insurance Assistance Program (SHIP) — see free unbiased Medicare help from SHIP.
What H4537-001 means
CMS assigns every Medicare Advantage and Part D offering a plan identifier made of three parts. In H4537-001, the leading H marks the contract type (H = Medicare Advantage / Part C contract), the four digits 4537 are the contract number issued to the organization, and the three-digit 001 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 Wellcare Simple Open (PPO) an HMO or PPO?
Wellcare Simple Open (PPO) is a PPO Medicare Advantage plan.
Does Wellcare Simple Open (PPO) include prescription drug coverage?
Yes — Wellcare Simple Open (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 Wellcare Simple Open (PPO)?
The 2026 in-network maximum out-of-pocket limit for Wellcare Simple Open (PPO) is $7500.00, per the CMS CY2026 Landscape file.
What counties offer Wellcare Simple Open (PPO) (H4537-001)?
Wellcare Simple Open (PPO) (H4537-001) is offered in 30 Oklahoma counties: Adair County, Caddo County, Canadian County, Cherokee County, Cleveland County, Comanche County, Creek County, Delaware County, Garfield County, Garvin County, Grady County, Kay County, Le Flore County, Lincoln County, Logan County, Mayes County, McClain County, McIntosh County, Muskogee County, Oklahoma County, Okmulgee County, Osage County, Ottawa County, Pittsburg County, Pottawatomie County, Rogers County, Seminole County, Sequoyah County, Tulsa County, and Wagoner County.
Sources
- CMS, Plan Year 2026 Medicare Advantage & Part D Landscape source file (March 2026) — retrieved 2026-07-18. Overall star rating year: 2026.
- Medicare.gov Plan Finder — compare plans and enroll.