Quick answers
- Which hospitals does Mark R. Fantaski work at?
- Medicare's official clinician data lists Mark R. Fantaski at 5 hospitals: Ahn Wexford Hospital, Magee Womens Hospital of UPMC Health System, UPMC Passavant, UPMC Presbyterian Shadyside and UPMC St Margaret. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark R. Fantaski see patients?
- Medicare's clinician data lists 3 practice locations, including Pittsburg, PA, Gibsonia, PA and Hermitage, PA. Call before your visit to confirm the address.
- What is Mark R. Fantaski's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mark R. Fantaski accept Medicare assignment?
- Yes. Medicare's clinician data says Mark R. Fantaski 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.
- Does Mark R. Fantaski offer telehealth?
- Medicare's clinician data says Mark R. Fantaski offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark R. Fantaski?
- (724) 449-9355, as listed in official Medicare / NPI Registry data.
- What is Mark R. Fantaski's NPI number?
- 1689651630. 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 R. Fantaski works
Medicare's Facility Affiliation Data lists Mark R. Fantaski at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ahn Wexford HospitalWexford, PA · Acute Care Hospital · CCN 390334
- Magee Womens Hospital of UPMC Health SystemPittsburgh, PA · Acute Care Hospital · CCN 390114
- UPMC PassavantPittsburgh, PA · Acute Care Hospital · CCN 390107
- UPMC Presbyterian ShadysidePittsburgh, PA · Acute Care Hospital · CCN 390164
- UPMC St MargaretPittsburgh, PA · Acute Care Hospital · CCN 390102
Practice locations
Addresses where Mark R. Fantaski is enrolled with Medicare (CMS data updated 2026-10-02).
- 2 Hot Meal StPittsburg, PA 15203
- 5318 Ranalli DrGibsonia, PA 15044 (724) 449‑9355
- 875 N Hermitage RdHermitage, PA 16148
Group practices
Medicare enrollment lists Mark R. Fantaski as a member of this group (CMS data updated 2026-10-02).
- UPMC Community Medicine Inc736 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Pittsburg
Clinicians with the same Medicare primary specialty in Pittsburg, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1689651630 |
| 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