NPPES file of Aug 9, 2026

Erica V. Breneman, MD

Obstetrics & Gynecology Physician · Oakland, CA

Erica V. Breneman, MD is an obstetrics & gynecology physician with a practice address in Oakland, California, and NPI 1730267527, issued on Nov 1, 2006. Check the license (California G79287, 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
1730267527
Name
Erica V. Breneman
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
G79287 CA
Self-reported in NPPES; status is on the state search
Practice location
275 W Macarthur Blvd, Oakland, CA 94611
Phone
(510) 752-1000
Enumerated
Nov 1, 2006
Record last updated
Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00G792870 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 275 W Macarthur Blvd

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

  1. David Aaronson, MDUrology Physician1215053129
  2. Paul-Andre Abboud, M.D.Emergency Medicine Physician1710065503
  3. Brittany Abeldt, MDPsychiatry Physician1982353884
  4. Bilal Abu-Alrub, DOStudent in an Organized Health Care Education/Training Program1609760768
  5. Walter Acuna, MDInternal Medicine Physician1972655108
  6. Brett Adams, MDStudent in an Organized Health Care Education/Training Program1841731098

Verify Erica V. Breneman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G79287
    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

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2.1 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024

345 Medicare Part D claims for 142 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Erica Breneman345
  2. Specialty average165

Most prescribed

  1. Estradiol93 claims
  2. Progesterone51 claims
  3. Yuvafem40 claims
  4. Estring38 claims
  5. Climara16 claims
  6. Dotti16 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.

Erica V. Breneman among 5,088 obstetrics & gynecology physician records in California

Erica V. Breneman, MD 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 fileNo · 53% of these records are
  • Record last updated2021 · 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. Grace Cavallaro, MDOakland, CA 946111548342165
  2. Victor Chin, MDOakland, CA 946111598843385
  3. Christie Cooksey, MDOakland, CA 946111689668386
  4. Patrick Dawkins, MDOakland, CA 946111760571145
  5. Rima Goldman, MDOakland, CA 946111528146354
  6. Judith Lamberti, MDOakland, CA 946111043398837
  7. Susan Liu, MDOakland, CA 946111376629881
  8. Sonia Ordonez, MDOakland, CA 946111215049986

Common questions

What is Erica V. Breneman, MD's NPI number?

Erica V. Breneman, MD's National Provider Identifier (NPI) is 1730267527, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Erica V. Breneman, MD located?

The NPPES record lists a practice address at 275 W Macarthur Blvd, Oakland, CA, 94611. Phone: (510) 752-1000. Providers update this record themselves, so call before visiting.

How can I verify Erica V. Breneman, MD's license?

NPPES lists California license number G79287, 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 Erica V. Breneman, MD prescribe under Medicare Part D?

In 2024, Erica V. Breneman, MD had 345 Medicare Part D claims for 142 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.