NPPES file of Aug 9, 2026

Angelyn R. Thomas, M.D.

Obstetrics & Gynecology Physician · Berkeley, CA

Angelyn R. Thomas, M.D. is an obstetrics & gynecology physician with a practice address in Berkeley, California, and NPI 1033225636, issued on Aug 23, 2006. Check the license (California G85229, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033225636
Name
Angelyn R. Thomas
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
G85229 CA
Self-reported in NPPES; status is on the state search
Practice location
2500 Milvia St, Berkeley, CA 94704
Phone
(510) 204-5600
Enumerated
Aug 23, 2006
Record last updated
Nov 18, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(510) 204-5462
Medicare enrollment
Enrolled (PECOS I20060502000741); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 1995
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2500 Milvia St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Altaf Ansari, MDEmergency Medicine Physician1700938297
  2. Debbie Barish, DNP, MS, WHNP-BCWomen's Health Nurse Practitioner1871680868
  3. Jennifer Barlow, DPMPodiatrist1588744536
  4. Felix Berberich, MDPediatrics Physician1205869286
  5. Sara Bosomworth, DOInternal Medicine Physician1548849078
  6. Rachel Budker, MDObstetrics & Gynecology Physician1154908150

Verify Angelyn R. Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G85229
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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48% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

244 Medicare Part D claims for 64 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Angelyn Thomas244
  2. Specialty average165

Most prescribed

  1. Estradiol73 claims
  2. Progesterone28 claims
  3. Estradiol (Twice Weekly)25 claims
  4. Premarin15 claims
  5. Climara11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationOrinda, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Angelyn R. Thomas among 5,088 obstetrics & gynecology physician records in California

Angelyn R. Thomas, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1995 · median 2004 among the 2,700 with a school on file
  • Record last updated2019 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Rachel Budker, MDBerkeley, CA 947041154908150
  2. Kathleen Chung, MDBerkeley, CA 947041811524648
  3. Deepti Gupta, M.D.Berkeley, CA 947041811275399
  4. Attia Kadri, MDBerkeley, CA 947041811075633
  5. Risa Kagan, M.D,Berkeley, CA 947041336255660
  6. Pamela PetersBerkeley, CA 947041043741531
  7. Maria Reyes, MDBerkeley, CA 947041629501424
  8. Brittany Schall, MDBerkeley, CA 947041548899875

Common questions

What is Angelyn R. Thomas, M.D.'s NPI number?

Angelyn R. Thomas, M.D.'s National Provider Identifier (NPI) is 1033225636, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Angelyn R. Thomas, M.D. located?

The NPPES record lists a practice address at 2500 Milvia St, Berkeley, CA, 94704. Phone: (510) 204-5600. Providers update this record themselves, so call before visiting.

How can I verify Angelyn R. Thomas, M.D.'s license?

NPPES lists California license number G85229, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Angelyn R. Thomas, M.D. prescribe under Medicare Part D?

In 2024, Angelyn R. Thomas, M.D. had 244 Medicare Part D claims for 64 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.