Quick answers
- Which hospitals does Mark Casteel work at?
- Medicare's official clinician data lists Mark Casteel at 5 hospitals: Heritage Valley Beaver, Heritage Valley Sewickley, University of MD Charles Regional Medical Center, UVA Health Prince William Medical Center and Wayne Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Casteel see patients?
- Medicare's clinician data lists 10 practice locations, including Kittanning, PA, Beaver, PA and West Grove, PA. Call before your visit to confirm the address.
- What is Mark Casteel's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty, and also Interventional Radiology.
- Does Mark Casteel accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Casteel 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 Casteel?
- (724) 543-8500, as listed in official Medicare / NPI Registry data.
- What is Mark Casteel's NPI number?
- 1093782674. 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 Casteel works
Medicare's Facility Affiliation Data lists Mark Casteel at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Heritage Valley BeaverBeaver, PA · Acute Care Hospital · CCN 390036
- Heritage Valley SewickleySewickley, PA · Acute Care Hospital · CCN 390037
- University of MD Charles Regional Medical CenterLa Plata, MD · Acute Care Hospital · CCN 210035
- UVA Health Prince William Medical CenterManassas, VA · Acute Care Hospital · CCN 490045
- Wayne Memorial HospitalHonesdale, PA · Acute Care Hospital · CCN 390125
Practice locations
Addresses where Mark Casteel is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.
- 1 Nolte DrKittanning, PA 16201 (724) 543‑8500
- 1000 Dutch Ridge RdBeaver, PA 15009 (724) 728‑7000
- 1015 W Baltimore PikeWest Grove, PA 19390 (610) 869‑1000
- 104 Alyssum DrButler, PA 16001 (410) 223‑2272
- 1215 Lee StCharlottesville, VA 22908 (434) 243‑6868
Group practices
Medicare enrollment lists Mark Casteel as a member of these groups (CMS data updated 2026-10-02).
- University Hospitals Medical Group Inc2,294 clinicians in the group
- University of Virginia Physicians Group1,717 clinicians in the group
- Augusta Medical Group419 clinicians in the group
- Foundation Radiology Group PC90 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
- Interventional Radiologyalso
Other radiologists in Kittanning
Clinicians with the same Medicare primary specialty in Kittanning, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | West Virginia University School Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093782674 |
| 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