Doctor profile · Federal record

Dr. Lily Nguyen, MD

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

  • NPI 1285720342
  • Accepts Medicare
  • MIPS 74.2 / 100 · 2023
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
500 W Tully RD, OB/GYN Clinic
San Jose, CA 95111
(408) 885-5553
Mailing address
39260 Canyon Heights Dr
Fremont, CA 94539

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 9, 2007
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #G78516
Medicaid
CA #00G785160

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285720342. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$44
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo Inc. 1 $26.74
Baxter Healthcare 1 $16.98

By nature of payment

Food and Beverage
$44

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$56
Drug Type Claims Patients Total cost
Medroxyprogesterone Acetate Generic 11 0 $56

Frequently asked questions

Auto-generated from federal data
What is Dr. Lily Nguyen's medical specialty?
Dr. Lily Nguyen practices Obstetrics & Gynecology Physician in San Jose, CA.
Where does Dr. Lily Nguyen practice?
Dr. Lily Nguyen practices at 500 W Tully RD, San Jose, CA 95111. Office phone: 4088855553.
What is Dr. Lily Nguyen's NPI?
Dr. Lily Nguyen's National Provider Identifier (NPI) is 1285720342, issued by NPPES.
Does Dr. Lily Nguyen accept Medicare assignment?
Yes. Dr. Lily Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.