Quick answers
- Which hospitals does Diane R. Thomas work at?
- Medicare's official clinician data lists Diane R. Thomas at 1 hospital: Mercy Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Diane R. Thomas see patients?
- Medicare's clinician data lists 5 practice locations, including Merced, CA and Turlock, CA. Call before your visit to confirm the address.
- What is Diane R. Thomas's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Diane R. Thomas accept Medicare assignment?
- Yes. Medicare's clinician data says Diane R. Thomas 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.
- Does Diane R. Thomas offer telehealth?
- Medicare's clinician data says Diane R. Thomas offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Diane R. Thomas?
- (209) 442-4171, as listed in official Medicare / NPI Registry data.
- What is Diane R. Thomas's NPI number?
- 1376882357. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Diane R. Thomas works
Medicare's Facility Affiliation Data lists Diane R. Thomas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Medical CenterMerced, CA · Acute Care Hospital · CCN 050444
Practice locations
Addresses where Diane R. Thomas is enrolled with Medicare (CMS data updated 2026-10-02).
- 1190 W Olive Ave, Suite FMerced, CA 95348 (209) 442‑4171
- 2200 Colorado AveTurlock, CA 95382 (209) 250‑2683
- 797 W Childs AveMerced, CA 95341 (209) 722‑4842
- 847 W Childs AveMerced, CA 95341 (209) 722‑4842
- 857 W Childs AveMerced, CA 95341 (209) 722‑4842
Group practices
Medicare enrollment lists Diane R. Thomas as a member of this group (CMS data updated 2026-10-02).
- Golden Valley Health Centers113 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Merced
Clinicians with the same Medicare primary specialty in Merced, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Meharry Medical College School Of Medicine |
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1376882357 |
| 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