Quick answers
- Which hospitals does Gervacio D. Diaz work at?
- Medicare's official clinician data lists Gervacio D. Diaz at 2 hospitals: Doctors Medical Center and Memorial Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gervacio D. Diaz see patients?
- Medicare's clinician data lists 3 practice locations, including Modesto, CA. Call before your visit to confirm the address.
- What is Gervacio D. Diaz's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Gervacio D. Diaz accept Medicare assignment?
- Medicare's clinician data says Gervacio D. Diaz may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Gervacio D. Diaz?
- (209) 550-4780, as listed in official Medicare / NPI Registry data.
- What is Gervacio D. Diaz's NPI number?
- 1700835451. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gervacio D. Diaz works
Medicare's Facility Affiliation Data lists Gervacio D. Diaz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Doctors Medical CenterModesto, CA · Acute Care Hospital · CCN 050464
- Memorial Medical CenterModesto, CA · Acute Care Hospital · CCN 050557
Practice locations
Addresses where Gervacio D. Diaz is enrolled with Medicare (CMS data updated 2026-10-02).
- 1011 Sylvan Ave, Suite CModesto, CA 95350 (209) 550‑4780
- 2013 Coffee RdModesto, CA 95355 (209) 529‑8506
- 600 Coffee RdModesto, CA 95355 (209) 524‑1211
Group practices
Medicare enrollment lists Gervacio D. Diaz as a member of this group (CMS data updated 2026-10-02).
- Sutter Valley Medical Foundation2,500 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Modesto
Clinicians with the same Medicare primary specialty in Modesto, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1700835451 |
| 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