Quick answers
- Which hospitals does Stephen M. Treadwell Sr. work at?
- Medicare's official clinician data lists Stephen M. Treadwell Sr. at 2 hospitals: Mercy Hospital Ardmore, Inc and Summit Medical Center, LLC. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen M. Treadwell Sr. see patients?
- Medicare's clinician data lists 1 practice location in Healdton, OK. Call before your visit to confirm the address.
- What is Stephen M. Treadwell Sr.'s specialty?
- Medicare lists Family Practice as the primary specialty, and also Geriatric Medicine.
- Does Stephen M. Treadwell Sr. accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen M. Treadwell Sr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Stephen M. Treadwell Sr. offer telehealth?
- Medicare's clinician data says Stephen M. Treadwell Sr. offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Stephen M. Treadwell Sr.?
- (580) 229-0313, as listed in official Medicare / NPI Registry data.
- What is Stephen M. Treadwell Sr.'s NPI number?
- 1447299920. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen M. Treadwell Sr. works
Medicare's Facility Affiliation Data lists Stephen M. Treadwell Sr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital Ardmore, IncArdmore, OK · Acute Care Hospital · CCN 370047
- Summit Medical Center, LLCEdmond, OK · Acute Care Hospital · CCN 370225
Practice locations
Addresses where Stephen M. Treadwell Sr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 11053 Hwy 76Healdton, OK 73438 (580) 229‑0313
Specialties
- Family Practiceprimary
- Geriatric Medicinealso
Other family doctors in Oklahoma
Clinicians with the same Medicare primary specialty in Oklahoma — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1447299920 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians