Quick answers
- Which hospitals does Brian Petronaci work at?
- Medicare's official clinician data lists Brian Petronaci at 2 hospitals: Ascension Seton Hays and St David's South Austin Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Brian Petronaci see patients?
- Medicare's clinician data lists 1 practice location in Austin, TX. Call before your visit to confirm the address.
- What is Brian Petronaci's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Brian Petronaci accept Medicare assignment?
- Yes. Medicare's clinician data says Brian Petronaci 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 Brian Petronaci?
- (512) 266-3377, as listed in official Medicare / NPI Registry data.
- What is Brian Petronaci's NPI number?
- 1225401730. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Brian Petronaci works
Medicare's Facility Affiliation Data lists Brian Petronaci at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Seton HaysKyle, TX · Acute Care Hospital · CCN 670056
- St David's South Austin Medical CenterAustin, TX · Acute Care Hospital · CCN 450713
Practice locations
Addresses where Brian Petronaci is enrolled with Medicare (CMS data updated 2026-10-02).
- 4316 James Casey St, Suite 201Austin, TX 78745 (512) 266‑3377
Group practices
Medicare enrollment lists Brian Petronaci as a member of this group (CMS data updated 2026-10-02).
- Joint Pain and Orthopedics, PLLC10 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Austin
Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225401730 |
| 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