Doctor profile · Federal record

Dr. Theresa Nguyen, DMD

Dentist · Mission Viejo, CA

  • NPI 1447869086
  • 6 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
22951 Los Alisos Blvd, #2
Mission Viejo, CA 92691
(949) 380-9506
Additional location
7369 Day Creek Blvd Ste F-103
Rancho Cucamonga, CA 917398020
(909) 646-7902
Mailing address
P.O. Box 26338
Santa Ana, CA 92799

Credentials & registration

NPPES · NUCC
NPI registered
July 2020 — 6 yrs on file
Profile last updated
December 16, 2022
Specialty taxonomy
122300000X — NUCC code
State license (1)
California #105028

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447869086. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Dentsply Sirona Inc 1 $20.79

By nature of payment

Food and Beverage
$21

Frequently asked questions

Auto-generated from federal data
What is Dr. Theresa Nguyen's medical specialty?
Dr. Theresa Nguyen practices Dentist in Mission Viejo, CA.
Where does Dr. Theresa Nguyen practice?
Dr. Theresa Nguyen practices at 22951 Los Alisos Blvd, Mission Viejo, CA 92691. Office phone: 9493809506.
What is Dr. Theresa Nguyen's NPI?
Dr. Theresa Nguyen's National Provider Identifier (NPI) is 1447869086, issued by NPPES.