Quick answers
- Which hospitals does Robbie Diaz work at?
- Medicare's official clinician data lists Robbie Diaz at 1 hospital: Methodist Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robbie Diaz see patients?
- Medicare's clinician data lists 3 practice locations, including Austin, TX, Brentwood, TN and Portland, ME. Call before your visit to confirm the address.
- What is Robbie Diaz's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Robbie Diaz accept Medicare assignment?
- Medicare's clinician data says Robbie Diaz may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Robbie Diaz's NPI number?
- 1447051842. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robbie Diaz works
Medicare's Facility Affiliation Data lists Robbie Diaz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Methodist HospitalSan Antonio, TX · Acute Care Hospital · CCN 450388
Practice locations
Addresses where Robbie Diaz is enrolled with Medicare (CMS data updated 2026-10-02).
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 | 2025 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1447051842 |
| 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