Quick answers
- Which hospitals does Richard Williamson work at?
- Medicare's official clinician data lists Richard Williamson at 2 hospitals: Memorial Health and Southwestern Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Richard Williamson see patients?
- Medicare's clinician data lists 3 practice locations, including Owasso, OK and Lawton, OK. Call before your visit to confirm the address.
- What is Richard Williamson's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Richard Williamson accept Medicare assignment?
- Yes. Medicare's clinician data says Richard Williamson 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 Richard Williamson?
- (918) 376-8000, as listed in official Medicare / NPI Registry data.
- What is Richard Williamson's NPI number?
- 1316905912. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Richard Williamson works
Medicare's Facility Affiliation Data lists Richard Williamson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial HealthLawton, OK · Acute Care Hospital · CCN 370056
- Southwestern Medical CenterLawton, OK · Acute Care Hospital · CCN 370097
Practice locations
Addresses where Richard Williamson is enrolled with Medicare (CMS data updated 2026-10-02).
- 10512 N 110th E Ave, Bailey Med CtrOwasso, OK 74055 (918) 376‑8000
- 5602 SW Lee BlvdLawton, OK 73505 (580) 531‑4700
- 5602 SW Lee Blvd, Southwest Medical CenterLawton, OK 73505 (580) 355‑8620
Group practices
Medicare enrollment lists Richard Williamson as a member of these groups (CMS data updated 2026-10-02).
- Emergenchealth PLLC1,056 clinicians in the group
- Ias Oklahoma LLC10 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Oklahoma →
Other nurse anesthetists in Owasso
Clinicians with the same Medicare primary specialty in Owasso, OK — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316905912 |
| 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