Quick answers
- Which hospitals does Graham Williams work at?
- Medicare's official clinician data lists Graham Williams at 1 hospital: Berkeley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Graham Williams see patients?
- Medicare's clinician data lists 1 practice location in Martinsburg, WV. Call before your visit to confirm the address.
- What is Graham Williams's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Graham Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Graham Williams 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 Graham Williams?
- (304) 260-1443, as listed in official Medicare / NPI Registry data.
- What is Graham Williams's NPI number?
- 1780649095. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Graham Williams works
Medicare's Facility Affiliation Data lists Graham Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Berkeley Medical CenterMartinsburg, WV · Acute Care Hospital · CCN 510008
Practice locations
Addresses where Graham Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 2500 Hospital DrMartinsburg, WV 25401 (304) 260‑1443
Group practices
Medicare enrollment lists Graham Williams as a member of this group (CMS data updated 2026-10-02).
- City Hospital Inc161 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), West Virginia →
Other nurse anesthetists in Martinsburg
Clinicians with the same Medicare primary specialty in Martinsburg, WV — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780649095 |
| 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