Doctor profile · Federal record

Dr. Thomas Nguyen, D.M.D.

Orthodontics and Dentofacial Orthopedic Dentist · Fontana, CA

  • NPI 1609965888
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15258 Summit Ave, Suite 300
Fontana, CA 923360233
(909) 646-9600
fax (909) 646-9878

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
1223X0400X — NUCC code
State license (1)
California #52663

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609965888. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$42
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Align Technology, Inc. 1 $42.38

By nature of payment

Food and Beverage
$42

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
13
Patients
0
Total drug cost
$311
Drug Type Claims Patients Total cost
Dicyclomine Hcl Generic 13 0 $311

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Nguyen's medical specialty?
Dr. Thomas Nguyen practices Orthodontics and Dentofacial Orthopedic Dentist in Fontana, CA.
Where does Dr. Thomas Nguyen practice?
Dr. Thomas Nguyen practices at 15258 Summit Ave, Fontana, CA 923360233. Office phone: 9096469600.
What is Dr. Thomas Nguyen's NPI?
Dr. Thomas Nguyen's National Provider Identifier (NPI) is 1609965888, issued by NPPES.