Quick answers
- Which hospitals does Seth A. Williams work at?
- Medicare's official clinician data lists Seth A. Williams at 2 hospitals: Boone Memorial Hospital and Thomas Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Seth A. Williams see patients?
- Medicare's clinician data lists 4 practice locations, including South Charleston, WV and Madison, WV. Call before your visit to confirm the address.
- What is Seth A. Williams's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Seth A. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Seth A. 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 Seth A. Williams?
- (304) 767-7900, as listed in official Medicare / NPI Registry data.
- What is Seth A. Williams's NPI number?
- 1225583347. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Seth A. Williams works
Medicare's Facility Affiliation Data lists Seth A. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Boone Memorial HospitalMadison, WV · Critical Access Hospital · CCN 511313
- Thomas Memorial HospitalSouth Charleston, WV · Acute Care Hospital · CCN 510029
Practice locations
Addresses where Seth A. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 4607 Maccorkle Ave SW, Suite 400South Charleston, WV 25309 (304) 767‑7900
- 697 Madison Ave, Suite 101Madison, WV 25130 (304) 369‑1230
- 701 Madison AveMadison, WV 25130 (304) 369‑1230
- 716 Madison AveMadison, WV 25130 (304) 369‑1230
Group practices
Medicare enrollment lists Seth A. Williams as a member of these groups (CMS data updated 2026-10-02).
- THS Physician Partners Inc378 clinicians in the group
- Boone Memorial Hospital Inc79 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in South Charleston
Clinicians with the same Medicare primary specialty in South Charleston, WV — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225583347 |
| 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