Quick answers
- Which hospitals does Angelyn R. Thomas work at?
- Medicare's official clinician data lists Angelyn R. Thomas at 3 hospitals: Alta Bates Summit Medical Center, Alta Bates Summit Medical Center - Alta Bates Camp… and California Pacific Medical Center-Davies Campus Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Angelyn R. Thomas see patients?
- Medicare's clinician data lists 1 practice location in Orinda, CA. Call before your visit to confirm the address.
- What is Angelyn R. Thomas's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Angelyn R. Thomas accept Medicare assignment?
- Yes. Medicare's clinician data says Angelyn 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.
- What is the phone number for Angelyn R. Thomas?
- (510) 204-8180, as listed in official Medicare / NPI Registry data.
- What is Angelyn R. Thomas's NPI number?
- 1033225636. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Angelyn R. Thomas works
Medicare's Facility Affiliation Data lists Angelyn R. Thomas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alta Bates Summit Medical CenterOakland, CA · Acute Care Hospital · CCN 050043
- Alta Bates Summit Medical Center - Alta Bates Camp…Berkeley, CA · Acute Care Hospital · CCN 050305
- California Pacific Medical Center-Davies Campus HospitalSan Francisco, CA · Acute Care Hospital · CCN 050008
Practice locations
Addresses where Angelyn R. Thomas is enrolled with Medicare (CMS data updated 2026-10-02).
- 12 Camino EncinasOrinda, CA 94563 (510) 204‑8180
Group practices
Medicare enrollment lists Angelyn R. Thomas as a member of this group (CMS data updated 2026-10-02).
- Sutter Bay Medical Foundation3,829 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Orinda
Clinicians with the same Medicare primary specialty in Orinda, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Harvard Medical School |
| Graduation year | 1995 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033225636 |
| 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