Quick answers
- Which hospitals does Gary Hillman work at?
- Medicare's official clinician data lists Gary Hillman at 2 hospitals: Memorial Hospital of Texas County Authority and Pawhuska Hospital, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gary Hillman see patients?
- Medicare's clinician data lists 6 practice locations, including Guymon, OK and Seiling, OK. Call before your visit to confirm the address.
- What is Gary Hillman's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Gary Hillman accept Medicare assignment?
- Yes. Medicare's clinician data says Gary Hillman 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.
- What is the phone number for Gary Hillman?
- (580) 338-6515, as listed in official Medicare / NPI Registry data.
- What is Gary Hillman's NPI number?
- 1760444160. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gary Hillman works
Medicare's Facility Affiliation Data lists Gary Hillman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial Hospital of Texas County AuthorityGuymon, OK · Critical Access Hospital · CCN 371340
- Pawhuska Hospital, IncPawhuska, OK · Critical Access Hospital · CCN 371309
Practice locations
Addresses where Gary Hillman is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 421 Medical DrGuymon, OK 73942 (580) 338‑6515
- 520 Medical DrGuymon, OK 73942 (580) 338‑6515
- 809 NE Hwy 60Seiling, OK 73663
- PO BoxSeiling, OK 73663
- PO Box, Suite 1043Seiling, OK 73663
Group practices
Medicare enrollment lists Gary Hillman as a member of these groups (CMS data updated 2026-10-02).
- Seiling Municipal Hospital Authority15 clinicians in the group
- CAH Acquisition Company 9 LLC14 clinicians in the group
- Memorial Hospital of Texas County Authority9 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Oklahoma
Clinicians with the same Medicare primary specialty in Oklahoma — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1760444160 |
| 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