Doctor profile · Federal record

Dr. Lena Nguyen, DO

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

  • NPI 1467741728
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18035 Brookhurst St Ste 2100
Fountain Valley, CA 927086738
(657) 241-9090
fax (714) 665-4603

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
April 30, 2025
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #20A13833

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1467741728. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
53
Distinct HCPCS
3
Medicare allowed
$4,336
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 24 24 $41
99213 Established patient office or other outpatient visit, 20-29 minutes 18 15 $94
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 11 11 $152

In context: peer comparison

Among 3 peers in Fountain Valley Obstetrics & Gynecology Physician, average services per provider: 33. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$525
Transactions
20
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US INC 5 $184.97
Lilly USA, LLC 3 $61.31
Sumitomo Pharma America, INC. 2 $48.95
Organon LLC 2 $40.25
CooperSurgical, INC. 1 $33.41
ViiV Healthcare Company 1 $33.41
Intuitive Surgical, INC. 1 $32.81
Exeltis, USA INC. 1 $24.36
Abbvie INC. 1 $21.81
Evofem Biosciences, INC. 1 $16.76
Millicent US INC 1 $13.35
Idorsia Pharmaceuticals US INC 1 $13.13

By nature of payment

Food and Beverage
$412
Education
$112

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
58
Patients
0
Total drug cost
$5,706
Drug Type Claims Patients Total cost
Progesterone (Progesterone, Micronized) Brand 23 0 $1,179
Estradiol Generic 19 0 $1,857
Estradiol (Twice Weekly) (Estradiol) Brand 16 0 $2,670

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lena Nguyen's medical specialty?
Dr. Lena Nguyen practices Obstetrics & Gynecology Physician in Fountain Valley, CA.
Where does Dr. Lena Nguyen practice?
Dr. Lena Nguyen practices at 18035 Brookhurst St Ste 2100, Fountain Valley, CA 927086738. Office phone: 6572419090.
What is Dr. Lena Nguyen's NPI?
Dr. Lena Nguyen's National Provider Identifier (NPI) is 1467741728, issued by NPPES.
Does Dr. Lena Nguyen accept Medicare assignment?
Yes. Dr. Lena Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lena Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit (HCPCS G0438). Source: CMS Medicare Physician & Other Practitioners file.