Brian E. Demuth, MD
Obstetrics & Gynecology Physician · Greenbrae, CA
Brian E. Demuth, MD is an obstetrics & gynecology physician with a practice address in Greenbrae, California, and NPI 1770553950, issued on Jan 23, 2006. Check the license (California G60223, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brian E. Demuth
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G60223 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1260 S Eliseo Dr, Greenbrae, CA 94904
- Phone
- (415) 461-7800
- Enumerated
- Jan 23, 2006
- Record last updated
- Mar 17, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (415) 461-8619
- Medicare enrollment
- Enrolled (PECOS I20040623000712); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1260 S Eliseo Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Davis, CNMAdvanced Practice Midwife1588815534
- Sylvia Flores, M.D.Obstetrics & Gynecology Physician1114904307
- David Galland, M.D.Obstetrics & Gynecology Physician1154392637
- Cortney Harper, M.D.Obstetrics & Gynecology Physician1053587667
- Betsy Holland, M.D.Diagnostic Radiology Physician1659357481
- Jay Kaiser, M.D.Diagnostic Radiology Physician1275519001
Verify Brian E. Demuth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G60223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
354 Medicare Part D claims for 116 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Estradiol83 claims
- Progesterone28 claims
- Estradiol (Twice Weekly)25 claims
- Valacyclovir24 claims
- Premarin16 claims
- Dotti15 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: $7.33
1 payment: food and beverage; the largest payer was Mayne Pharma Commercial LLC. The 21,429 providers of this specialty with any payment received $1,030.61 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.
26 obstetrics & gynecology physician records list a practice address in Greenbrae
They are 26 of the 727 NPPES records with a practice address in Greenbrae, and 5,088 obstetrics & gynecology physician records in California.
All 26 in Greenbrae → All 5,088 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
- Ahmed Abdelaziz, MDSanta Maria, CA1790039733
- Alireza Abdollah Shamshirsaz, M.D.Palo Alto, CA1881804235
- Nicole Abell, DOVentura, CA1811243603
- Zachary AbelsonLos Angeles, CA1689237414
- Ray Abinader, M.D.Loma Linda, CA1770901548
- Tarek Abou El Kheir, M.D.San Bernardino, CA1477521789
- Nada Abou-HaibaLos Angeles, CA1134067549
Common questions
What is Brian E. Demuth, MD's NPI number?
Brian E. Demuth, MD's National Provider Identifier (NPI) is 1770553950, issued on Jan 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brian E. Demuth, MD located?
The NPPES record lists a practice address at 1260 S Eliseo Dr, Greenbrae, CA, 94904. Phone: (415) 461-7800. Providers update this record themselves, so call before visiting.
How can I verify Brian E. Demuth, MD's license?
NPPES lists California license number G60223, 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 Brian E. Demuth, MD prescribe under Medicare Part D?
In 2024, Brian E. Demuth, MD had 354 Medicare Part D claims for 116 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.