Doctor profile · Federal record

Dr. Elizabeth Brown, D.O

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Greenbrae, CA

  • NPI 1215281019
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Drakes Landing RD # A, Suite 225
Greenbrae, CA 949042404
(415) 461-7800
Mailing address
9 Commercial Blvd, Suite 200
Novato, CA 949496118

Credentials & registration

NPPES · NUCC
NPI registered
October 2012 — 14 yrs on file
Profile last updated
September 8, 2015
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #20A12407

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215281019. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
120
Distinct HCPCS
4
Medicare allowed
$10,606
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 56 56 $103
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 42 42 $45
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $126
99214 Established patient office or other outpatient visit, 30-39 minutes 11 11 $145

In context: peer comparison

Among 8 peers in Greenbrae Obstetrics & Gynecology Physician, average services per provider: 30. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$73
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Hologic Sales and Service, LLC 2 $72.90

By nature of payment

Food and Beverage
$73

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
130
Patients
28
Total drug cost
$21,912
Drug Type Claims Patients Total cost
Estradiol Generic 51 28 $4,985
Progesterone (Progesterone, Micronized) Brand 19 0 $1,306
Valacyclovir (Valacyclovir Hcl) Brand 18 0 $1,350
Dotti (Estradiol) Brand 16 0 $2,709
Premarin (Estrogens, Conjugated) Brand 15 0 $7,033
Imvexxy (Estradiol) Brand 11 0 $4,529

Frequently asked questions

Auto-generated from federal data
What is Dr. Elizabeth Brown's medical specialty?
Dr. Elizabeth Brown practices Obstetrics & Gynecology Physician in Greenbrae, CA.
Where does Dr. Elizabeth Brown practice?
Dr. Elizabeth Brown practices at 100 Drakes Landing RD # A, Greenbrae, CA 949042404. Office phone: 4154617800.
What is Dr. Elizabeth Brown's NPI?
Dr. Elizabeth Brown's National Provider Identifier (NPI) is 1215281019, issued by NPPES.
Does Dr. Elizabeth Brown accept Medicare assignment?
Dr. Elizabeth Brown does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Elizabeth Brown commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.