Quick answers
- Which hospitals does Alex M. Riggs work at?
- Medicare's official clinician data lists Alex M. Riggs at 2 hospitals: Cherokee Nation W W Hastings Indian Hospital and McAlester Regional Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alex M. Riggs see patients?
- Medicare's clinician data lists 3 practice locations, including McAlester, OK, Pryor, OK and Claremore, OK. Call before your visit to confirm the address.
- What is Alex M. Riggs's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Alex M. Riggs accept Medicare assignment?
- Yes. Medicare's clinician data says Alex M. Riggs 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 Alex M. Riggs?
- (918) 421-6987, as listed in official Medicare / NPI Registry data.
- What is Alex M. Riggs's NPI number?
- 1396308441. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alex M. Riggs works
Medicare's Facility Affiliation Data lists Alex M. Riggs at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cherokee Nation W W Hastings Indian HospitalTahlequah, OK · Acute Care Hospital · CCN 370171
- McAlester Regional Health CenterMcAlester, OK · Acute Care Hospital · CCN 370034
Practice locations
Addresses where Alex M. Riggs is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 E Clark Bass BlvdMcAlester, OK 74501 (918) 421‑6987
- 111 N Bailey StPryor, OK 74361 (918) 825‑1600
- 1202 N Muskogee PlClaremore, OK 74017 (918) 341‑2556
Group practices
Medicare enrollment lists Alex M. Riggs as a member of these groups (CMS data updated 2026-10-02).
- Green Country Emergency Physicians Group of Tulsa, PLLC113 clinicians in the group
- McAlester Regional Health Center Authority45 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in McAlester
Clinicians with the same Medicare primary specialty in McAlester, OK — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Oklahoma State University College Of Osteopathic Medicine |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396308441 |
| 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