Quick answers
- Which hospitals does Mark D. Williams work at?
- Medicare's official clinician data lists Mark D. Williams at 4 hospitals: Page Memorial Hospital, Inc, Sentara Martha Jefferson Hospital, Sentara RMH Medical Center and Shenandoah Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark D. Williams see patients?
- Medicare's clinician data lists 4 practice locations, including Staunton, VA, Harrisonburg, VA and Covington, VA. Call before your visit to confirm the address.
- What is Mark D. Williams's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Mark D. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Mark D. 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 Mark D. Williams?
- (540) 886-4510, as listed in official Medicare / NPI Registry data.
- What is Mark D. Williams's NPI number?
- 1821484163. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark D. Williams works
Medicare's Facility Affiliation Data lists Mark D. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Page Memorial Hospital, IncLuray, VA · Critical Access Hospital · CCN 491307
- Sentara Martha Jefferson HospitalCharlottesville, VA · Acute Care Hospital · CCN 490077
- Sentara RMH Medical CenterHarrisonburg, VA · Acute Care Hospital · CCN 490004
- Shenandoah Memorial HospitalWoodstock, VA · Critical Access Hospital · CCN 491305
Practice locations
Addresses where Mark D. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 2303 N Augusta StStaunton, VA 24401 (540) 886‑4510
- 2303 N Augusta St, Suite EStaunton, VA 24401 (540) 886‑4510
- 2509 Pleasant Run DrHarrisonburg, VA 22801 (540) 689‑5700
- 320 W Main StCovington, VA 24426 (540) 962‑6226
Group practices
Medicare enrollment lists Mark D. Williams as a member of these groups (CMS data updated 2026-10-02).
- Select Physical Therapy Holdings Inc2,024 clinicians in the group
- RMH Medical Group LLC256 clinicians in the group
- H2 Rehabilitation Services of Virginia, LLC71 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Staunton
Clinicians with the same Medicare primary specialty in Staunton, VA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821484163 |
| 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