Elizabeth Brown, D.O
Obstetrics & Gynecology Physician · Greenbrae, CA
Elizabeth Brown, D.O is an obstetrics & gynecology physician with a practice address in Greenbrae, California, and NPI 1215281019, issued on Oct 31, 2012. Check the license (California 20A12407, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Brown
- Credential
- D.O
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 20A12407 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Drakes Landing RD # A, Greenbrae, CA 94904
- Phone
- (415) 461-7800
- Enumerated
- Oct 31, 2012
- Entity
- Type 1 · individual
Also registered at 100 Drakes Landing RD # A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anjuli Basu, M.D.Internal Medicine Physician1679583579
- Elizabeth Etemad, D.O.Family Medicine Physician1881682458
- Oliver Osborn, M.D.Family Medicine Physician1700874377
- Mary Redfern, APRN,BCFamily Nurse Practitioner1447266747
Verify Elizabeth Brown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A12407Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
45% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
273 Medicare Part D claims for 132 beneficiaries, against an average of 188 among the 27,363 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Estradiol82 claims
- Progesterone38 claims
- Yuvafem26 claims
- Estradiol (Twice Weekly)20 claims
- Premarin13 claims
- Valacyclovir13 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.
Industry payments in 2024: $72.90
2 payments, mostly food and beverage; the largest payer was Hologic Sales and Service, LLC. The 20,757 providers of this specialty with any payment received $1,147.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Regents Univ OF California UcsfSan Francisco, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
26 obstetrics & gynecology physician records list a Greenbrae practice address
They are 26 of the 727 NPPES records with a Greenbrae practice address, and 5,004 obstetrics & gynecology physician records in California.
All 26 in Greenbrae → All 5,004 in California → Every provider in Greenbrae →
Other obstetrics & gynecology physician records in California
- Ingrid Aalami, MDSan Jose, CA1952376550
- Avisa Abaian- Eagar, M.D.Orange, CA1316057755
- Derek Abbassi, MDWalnut Creek, CA1841364155
- Nicole Abell, DOVentura, CA1811243603
- Zachary AbelsonLos Angeles, CA1689237414
- Sina Abhari, MDNewport Beach, CA1073955290
- Ray Abinader, M.D.Loma Linda, CA1770901548
- Tarek Abou El Kheir, M.D.San Bernardino, CA1477521789
- Nada Abou-HaibaLos Angeles, CA1134067549
- Ariel Abrahams, MDDowney, CA1376726174
Common questions
What is Elizabeth Brown, D.O's NPI number?
Elizabeth Brown, D.O's National Provider Identifier (NPI) is 1215281019, issued on Oct 31, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Brown, D.O located?
The NPPES record lists a practice address at 100 Drakes Landing RD # A, Greenbrae, CA, 94904. Phone: (415) 461-7800. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Brown, D.O's license?
NPPES lists California license number 20A12407, 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 Elizabeth Brown, D.O prescribe under Medicare Part D?
In 2024, Elizabeth Brown, D.O had 273 Medicare Part D claims for 132 beneficiaries; the average among obstetrics & gynecology physician prescribers was 188. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.