Quick answers
- Where does William J. Martyak see patients?
- Medicare's clinician data lists 1 practice location in New Paris, PA. Call before your visit to confirm the address.
- What is William J. Martyak's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does William J. Martyak accept Medicare assignment?
- Yes. Medicare's clinician data says William J. Martyak 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 William J. Martyak?
- (814) 839-4108, as listed in official Medicare / NPI Registry data.
- What is William J. Martyak's NPI number?
- 1407808298. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where William J. Martyak is enrolled with Medicare (CMS data updated 2026-10-02).
- 4186 Cortland DrNew Paris, PA 15554 (814) 839‑4108
Group practices
Medicare enrollment lists William J. Martyak as a member of these groups (CMS data updated 2026-10-02).
- DLP Conemaugh Physician Practices LLC293 clinicians in the group
- Henry W Shoenthal MD Inc9 clinicians in the group
- Orchard Valley Physician Services PLLC9 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Pennsylvania
Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407808298 |
| 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
- 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