Physician Profile
Based in Greenbrae, CA, Brian E. Demuth, MD is listed in the NPI registry under obstetrics & gynecology. Brian graduated from University of Arizona College of Medicine in 1983. According to Medicare claims data, Brian cared for 80 Medicare patients across 84 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, cervical or vaginal cancer screening; pelvic and clinical breast examination, and established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
1260 S ELISEO DR FLOOR 2
Greenbrae, CA 94904
Within Obstetrics and Gynecology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Infections and vulvovaginal conditions
Menstrual and hormonal
Pelvic pain and benign gynecology
Pregnancy
Cancer and precancer
Contraception
Fertility
Infections
Pregnancy Complications
Vaginal & Vulvar Health
Most searched procedures
Contraception and office treatment
Pregnancy and delivery
Preventive and diagnostic
Birth Control
Contraception
Diagnostic Procedures
Fertility
Hormone & Menopause
Laparoscopic and adnexal surgery
Pelvic floor
Postpartum Care
Pregnancy & Prenatal
Preventive Care
Preventive Screening
Routine Exams
Surgeries
Uterine and cervical procedures
84 services · 80 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
37 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
35 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Demuth is an OB-GYN in Greenbrae, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.
NPI registry
Dr. Demuth is listed at 1260 S Eliseo Dr Floor 2, Greenbrae, CA 94904. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (415) 461-7800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Demuth's National Provider Identifier is 1770553950. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Demuth attended University of Arizona College of Medicine, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
Dr. Demuth has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Demuth the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Demuth. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.