Quick answers
- Which hospitals does Mark A. Cedar work at?
- Medicare's official clinician data lists Mark A. Cedar at 4 hospitals: Billings Clinic Hospital, Magee Womens Hospital of UPMC Health System, St Clair Hospital and The Washington Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark A. Cedar see patients?
- Medicare's clinician data lists 2 practice locations, including Upper St Clair, PA and Pittsburgh, PA. Call before your visit to confirm the address.
- What is Mark A. Cedar's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Mark A. Cedar accept Medicare assignment?
- Yes. Medicare's clinician data says Mark A. Cedar 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 A. Cedar?
- (412) 838-0400, as listed in official Medicare / NPI Registry data.
- What is Mark A. Cedar's NPI number?
- 1629053053. 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 A. Cedar works
Medicare's Facility Affiliation Data lists Mark A. Cedar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Billings Clinic HospitalBillings, MT · Acute Care Hospital · CCN 270004
- Magee Womens Hospital of UPMC Health SystemPittsburgh, PA · Acute Care Hospital · CCN 390114
- St Clair HospitalPittsburgh, PA · Acute Care Hospital · CCN 390228
- The Washington HospitalWashington, PA · Acute Care Hospital · CCN 390042
Practice locations
Addresses where Mark A. Cedar is enrolled with Medicare (CMS data updated 2026-10-02).
- 2589 Boyce Plaza RdUpper St Clair, PA 15241 (412) 838‑0400
- 2589 Boyce Plaza Rd, Suite 5Pittsburgh, PA 15241 (412) 232‑8104
Group practices
Medicare enrollment lists Mark A. Cedar as a member of this group (CMS data updated 2026-10-02).
- Pittsburgh Gastroenterology Associates26 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Upper St Clair
Clinicians with the same Medicare primary specialty in Upper St Clair, PA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629053053 |
| 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