Quick answers
- Which hospitals does Mark Weiss work at?
- Medicare's official clinician data lists Mark Weiss at 2 hospitals: UPMC Altoona and UPMC Bedford Memorial. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Weiss see patients?
- Medicare's clinician data lists 5 practice locations, including Altoona, PA. Call before your visit to confirm the address.
- What is Mark Weiss's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Mark Weiss accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Weiss 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 Weiss?
- (814) 941-8811, as listed in official Medicare / NPI Registry data.
- What is Mark Weiss's NPI number?
- 1609834019. 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 Weiss works
Medicare's Facility Affiliation Data lists Mark Weiss at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- UPMC AltoonaAltoona, PA · Acute Care Hospital · CCN 390073
- UPMC Bedford MemorialEverett, PA · Acute Care Hospital · CCN 390117
Practice locations
Addresses where Mark Weiss is enrolled with Medicare (CMS data updated 2026-10-02).
- 1400 9th AveAltoona, PA 16602 (814) 941‑8811
- 1414 9th Ave, Blair Medical AssocsAltoona, PA 16602 (814) 946‑1655
- 620 Howard AveAltoona, PA 16601
- 620 Howard Ave, Fl 7Altoona, PA 16601 (814) 889‑4439
- 620 Howard Ave, Suite 3fAltoona, PA 16601 (814) 889‑7500
Group practices
Medicare enrollment lists Mark Weiss as a member of these groups (CMS data updated 2026-10-02).
- University of Pittsburgh Physicians4,236 clinicians in the group
- UPMC Altoona Regional Health Services, Inc.187 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Altoona
Clinicians with the same Medicare primary specialty in Altoona, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Michigan State University College Of Human Medicine |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609834019 |
| 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