Quick answers
- Which hospitals does Gregory Stimac work at?
- Medicare's official clinician data lists Gregory Stimac at 1 hospital: Magee Womens Hospital of UPMC Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory Stimac see patients?
- Medicare's clinician data lists 1 practice location in Pittsburgh, PA. Call before your visit to confirm the address.
- What is Gregory Stimac's specialty?
- Medicare lists Surgical Oncology as the primary specialty.
- Does Gregory Stimac accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory Stimac 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 Gregory Stimac's NPI number?
- 1962038976. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory Stimac works
Medicare's Facility Affiliation Data lists Gregory Stimac at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Magee Womens Hospital of UPMC Health SystemPittsburgh, PA · Acute Care Hospital · CCN 390114
Practice locations
Addresses where Gregory Stimac is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Halket StPittsburgh, PA 15213
Group practices
Medicare enrollment lists Gregory Stimac as a member of this group (CMS data updated 2026-10-02).
- University of Pittsburgh Physicians4,236 clinicians in the group
Specialties
- Surgical Oncologyprimary
Other surgical oncologists in Pittsburgh
Clinicians with the same Medicare primary specialty in Pittsburgh, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962038976 |
| 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