Quick answers
- Which hospitals does Scott A. Mathias work at?
- Medicare's official clinician data lists Scott A. Mathias at 1 hospital: UPMC Williamsport. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Scott A. Mathias see patients?
- Medicare's clinician data lists 1 practice location in Williamsport, PA. Call before your visit to confirm the address.
- What is Scott A. Mathias's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Scott A. Mathias accept Medicare assignment?
- Yes. Medicare's clinician data says Scott A. Mathias 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 Scott A. Mathias?
- (570) 321-2619, as listed in official Medicare / NPI Registry data.
- What is Scott A. Mathias's NPI number?
- 1629286034. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Scott A. Mathias works
Medicare's Facility Affiliation Data lists Scott A. Mathias at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- UPMC WilliamsportWilliamsport, PA · Acute Care Hospital · CCN 390045
Practice locations
Addresses where Scott A. Mathias is enrolled with Medicare (CMS data updated 2026-10-02).
- 700 High StWilliamsport, PA 17701 (570) 321‑2619
Group practices
Medicare enrollment lists Scott A. Mathias as a member of this group (CMS data updated 2026-10-02).
- Susquehanna Physician Services612 clinicians in the group
Specialties
- Clinical Psychologistprimary
Find other clinicians: Clinical Psychologist, Pennsylvania →
Other clinical psychologists in Williamsport
Clinicians with the same Medicare primary specialty in Williamsport, PA — not a recommendation.
Clinician information
| Credential | PSY |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629286034 |
| 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