Quick answers
- Which hospitals does Tomaz Mesar work at?
- Medicare's official clinician data lists Tomaz Mesar at 4 hospitals: SSM Health St Clare Hospital - Baraboo, SSM Health St Mary's Hospital - Madison, UPMC Passavant and UPMC Presbyterian Shadyside. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tomaz Mesar see patients?
- Medicare's clinician data lists 2 practice locations, including Pittsburgh, PA and Madison, WI. Call before your visit to confirm the address.
- What is Tomaz Mesar's specialty?
- Medicare lists Cardiac Surgery as the primary specialty, and also Thoracic Surgery.
- Does Tomaz Mesar accept Medicare assignment?
- Yes. Medicare's clinician data says Tomaz Mesar 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 Tomaz Mesar?
- (412) 648-1260, as listed in official Medicare / NPI Registry data.
- What is Tomaz Mesar's NPI number?
- 1114313871. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tomaz Mesar works
Medicare's Facility Affiliation Data lists Tomaz Mesar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- SSM Health St Clare Hospital - BarabooBaraboo, WI · Acute Care Hospital · CCN 520057
- SSM Health St Mary's Hospital - MadisonMadison, WI · Acute Care Hospital · CCN 520083
- UPMC PassavantPittsburgh, PA · Acute Care Hospital · CCN 390107
- UPMC Presbyterian ShadysidePittsburgh, PA · Acute Care Hospital · CCN 390164
Practice locations
Addresses where Tomaz Mesar is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 Lothrop StPittsburgh, PA 15213 (412) 648‑1260
- 700 S Park St, Suite AMadison, WI 53715 (608) 260‑2900
Group practices
Medicare enrollment lists Tomaz Mesar as a member of these groups (CMS data updated 2026-10-02).
- University of Pittsburgh Physicians4,236 clinicians in the group
- Dean Health Systems Inc1,159 clinicians in the group
Specialties
- Cardiac Surgeryprimary
- Thoracic Surgeryalso
Other cardiac surgeons in Pittsburgh
Clinicians with the same Medicare primary specialty in Pittsburgh, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114313871 |
| 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