Doctor profile · Federal record

Dr. Son Lam Nguyen, D.O.

Family Medicine Physician (CMS: Family Practice) · Union City, CA

  • NPI 1093851768
  • Accepts Medicare
  • 22 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3553 Whipple RD
Union City, CA 945871507
(510) 454-1000

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
February 11, 2022
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #20A9317

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093851768. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Dexcom, INC. 1 $24.32

By nature of payment

Food and Beverage
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,210
Patients
1,609
Total drug cost
$42,248
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 514 263 $7,005
Amlodipine Besylate Generic 370 184 $4,722
Losartan Potassium Generic 315 163 $4,205
Lisinopril Generic 244 125 $3,002
Hydrochlorothiazide Generic 213 101 $2,393
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 192 93 $3,465
Tamsulosin Hcl Generic 188 66 $2,888
Simvastatin Generic 180 85 $2,135
Levothyroxine Sodium Generic 167 103 $3,702
Atenolol Generic 157 89 $1,973

Frequently asked questions

Auto-generated from federal data
What is Dr. Son Lam Nguyen's medical specialty?
Dr. Son Lam Nguyen practices Family Medicine Physician in Union City, CA.
Where does Dr. Son Lam Nguyen practice?
Dr. Son Lam Nguyen practices at 3553 Whipple RD, Union City, CA 945871507. Office phone: 5104541000.
What is Dr. Son Lam Nguyen's NPI?
Dr. Son Lam Nguyen's National Provider Identifier (NPI) is 1093851768, issued by NPPES.
Does Dr. Son Lam Nguyen accept Medicare assignment?
Yes. Dr. Son Lam Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.