Doctor profile · Federal record

Dr. Maureen Khoo, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Specialist · San Francisco, CA

  • NPI 1932293560
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1100 van Ness Ave
San Francisco, CA 941096978
(415) 600-5760
fax (415) 369-1389
Additional location
320 Dardanelli Lane, Suite 20B
Los Gatos, CA 95032
(408) 364-2440
fax (408) 374-3085
Mailing address
320 Dardanelli Lane, Suite 20B
Los Gatos, CA 95032

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
June 24, 2020
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207V00000X — NUCC code
State licenses (2)
California #626786 · California #G83835

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932293560. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
14
Distinct HCPCS
1
Medicare allowed
$1,787
HCPCS Description Services Patients Avg allowed
99203 New patient office or other outpatient visit, 30-44 minutes 14 14 $128

In context: peer comparison

Among 21 peers in San Francisco Obstetrics & Gynecology Physician, average services per provider: 60. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$350
Transactions
19
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Mayne Pharma Commercial LLC 15 $172.57
Terumo Medical Corporation 2 $142.55
Exact Sciences Corporation 1 $20.00
Sumitomo Pharma America, INC. 1 $15.16

By nature of payment

Food and Beverage
$350

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
32
Patients
11
Total drug cost
$2,973
Drug Type Claims Patients Total cost
Estradiol Generic 17 11 $2,697
Alendronate Sodium Generic 15 0 $277

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Maureen Khoo's medical specialty?
Dr. Maureen Khoo practices Obstetrics & Gynecology Physician in San Francisco, CA.
Where does Dr. Maureen Khoo practice?
Dr. Maureen Khoo practices at 1100 van Ness Ave, San Francisco, CA 941096978. Office phone: 4156005760.
What is Dr. Maureen Khoo's NPI?
Dr. Maureen Khoo's National Provider Identifier (NPI) is 1932293560, issued by NPPES.
Does Dr. Maureen Khoo accept Medicare assignment?
Dr. Maureen Khoo does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Maureen Khoo commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.