Quick answers
- Which hospitals does Jose Diaz work at?
- Medicare's official clinician data lists Jose Diaz at 3 hospitals: Corona Regional Medical Center, Northern Nevada Medical Center and San Dimas Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jose Diaz see patients?
- Medicare's clinician data lists 3 practice locations, including Azusa, CA and El Segundo, CA. Call before your visit to confirm the address.
- What is Jose Diaz's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Jose Diaz accept Medicare assignment?
- Yes. Medicare's clinician data says Jose 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 Jose Diaz's NPI number?
- 1306880836. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jose Diaz works
Medicare's Facility Affiliation Data lists Jose Diaz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Corona Regional Medical CenterCorona, CA · Acute Care Hospital · CCN 050329
- Northern Nevada Medical CenterSparks, NV · Acute Care Hospital · CCN 290032
- San Dimas Community HospitalSan Dimas, CA · Acute Care Hospital · CCN 050588
Practice locations
Addresses where Jose Diaz is enrolled with Medicare (CMS data updated 2026-10-02).
- 466 E Desert Willow RdAzusa, CA 91702
- 898 N Pacific Coast Hwy, Suite 600El Segundo, CA 90245
- 898 N Pacific Coast Hwy 600El Segundo, CA 90245
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306880836 |
| 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