Quick answers
- Which hospitals does Roberto Diaz work at?
- Medicare's official clinician data lists Roberto Diaz at 1 hospital: El Camino Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Roberto Diaz see patients?
- Medicare's clinician data lists 3 practice locations, including Mountain View, CA and Los Altos, CA. Call before your visit to confirm the address.
- What is Roberto Diaz's specialty?
- Medicare lists Hand Surgery as the primary specialty, and also Orthopedic Surgery.
- Does Roberto Diaz accept Medicare assignment?
- Yes. Medicare's clinician data says Roberto 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 Roberto Diaz?
- (650) 940-7000, as listed in official Medicare / NPI Registry data.
- What is Roberto Diaz's NPI number?
- 1124261110. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Roberto Diaz works
Medicare's Facility Affiliation Data lists Roberto Diaz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- El Camino HealthMountain View, CA · Acute Care Hospital · CCN 050308
Practice locations
Addresses where Roberto Diaz is enrolled with Medicare (CMS data updated 2026-10-02).
- 2500 Grant RdMountain View, CA 94040 (650) 940‑7000
- 370 Distel CirLos Altos, CA 94022 (650) 254‑5200
- 701 E El Camino RealMountain View, CA 94040 (650) 691‑6174
Group practices
Medicare enrollment lists Roberto Diaz as a member of this group (CMS data updated 2026-10-02).
- Sutter Bay Medical Foundation3,829 clinicians in the group
Specialties
- Hand Surgeryprimary
- Orthopedic Surgeryalso
Other hand surgeons in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Iowa, Rj & L Carver College Of Medicine |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124261110 |
| 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