Quick answers
- Which hospitals does Marshall D. Sklar work at?
- Medicare's official clinician data lists Marshall D. Sklar at 5 hospitals: Charleston Area Medical Center, Davis Medical Center, Memorial Hospital, UPMC Altoona and UPMC Williamsport. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marshall D. Sklar see patients?
- Medicare's clinician data lists 4 practice locations, including Williamsport, PA, Uniontown, PA and Altoona, PA. Call before your visit to confirm the address.
- What is Marshall D. Sklar's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Marshall D. Sklar accept Medicare assignment?
- Yes. Medicare's clinician data says Marshall D. Sklar 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 Marshall D. Sklar?
- (570) 326-8470, as listed in official Medicare / NPI Registry data.
- What is Marshall D. Sklar's NPI number?
- 1225042351. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marshall D. Sklar works
Medicare's Facility Affiliation Data lists Marshall D. Sklar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Charleston Area Medical CenterCharleston, WV · Acute Care Hospital · CCN 510022
- Davis Medical CenterElkins, WV · Acute Care Hospital · CCN 510030
- Memorial HospitalFremont, OH · Acute Care Hospital · CCN 360156
- UPMC AltoonaAltoona, PA · Acute Care Hospital · CCN 390073
- UPMC WilliamsportWilliamsport, PA · Acute Care Hospital · CCN 390045
Practice locations
Addresses where Marshall D. Sklar is enrolled with Medicare (CMS data updated 2026-10-02).
- 1100 Grampian BlvdWilliamsport, PA 17701 (570) 326‑8470
- 51 Brewer DrUniontown, PA 15401 (724) 437‑2503
- 620 Howard AveAltoona, PA 16601 (814) 889‑2400
- 812 Gorman AveElkins, WV 26241 (304) 636‑3366
Group practices
Medicare enrollment lists Marshall D. Sklar as a member of these groups (CMS data updated 2026-10-02).
- Susquehanna Physician Services612 clinicians in the group
- Davis Memorial Hospital74 clinicians in the group
- University of Pittsburgh Cancer Institute Cancer Services58 clinicians in the group
- Fayette Oncology Associates5 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Williamsport
Clinicians with the same Medicare primary specialty in Williamsport, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Harvard Medical School |
| Graduation year | 1971 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225042351 |
| 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