Quick answers
- Which hospitals does James M. Bryan Diaz work at?
- Medicare's official clinician data lists James M. Bryan Diaz at 1 hospital: Auxilio Mutuo Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James M. Bryan Diaz see patients?
- Medicare's clinician data lists 1 practice location in San Juan, PR. Call before your visit to confirm the address.
- What is James M. Bryan Diaz's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does James M. Bryan Diaz accept Medicare assignment?
- Yes. Medicare's clinician data says James M. Bryan Diaz 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 James M. Bryan Diaz?
- (787) 767-0655, as listed in official Medicare / NPI Registry data.
- What is James M. Bryan Diaz's NPI number?
- 1932413499. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James M. Bryan Diaz works
Medicare's Facility Affiliation Data lists James M. Bryan Diaz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Auxilio Mutuo HospitalSan Juan, PR · Acute Care Hospital · CCN 400016
Practice locations
Addresses where James M. Bryan Diaz is enrolled with Medicare (CMS data updated 2026-10-02).
- 735 Ave Ponce De Leon, Suite 207San Juan, PR 00917 (787) 767‑0655
Specialties
- Internal Medicineprimary
Other internal medicine doctors in San Juan
Clinicians with the same Medicare primary specialty in San Juan, PR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932413499 |
| 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