Doctor profile · Federal record

Dr. Tammy Nguyen, D.O.

Family Medicine Physician · Family Medicine Physician · Santa Ana, CA

  • NPI 1699113829
  • 13 yrs on file
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1421 E 17Th St
Santa Ana, CA 927058505
(714) 254-2747
Mailing address
801 E Katella Ave
Anaheim, CA 928056614

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
June 22, 2023
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
California #20A14644 · Nevada #SL0952

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699113829. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$160
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Heartflow, INC. 1 $120.30
Ultragenyx Pharmaceutical INC. 1 $22.58
Lundbeck LLC 1 $17.01

By nature of payment

Food and Beverage
$160

Frequently asked questions

Auto-generated from federal data
What is Dr. Tammy Nguyen's medical specialty?
Dr. Tammy Nguyen practices Family Medicine Physician in Santa Ana, CA.
Where does Dr. Tammy Nguyen practice?
Dr. Tammy Nguyen practices at 1421 E 17Th St, Santa Ana, CA 927058505. Office phone: 7142542747.
What is Dr. Tammy Nguyen's NPI?
Dr. Tammy Nguyen's National Provider Identifier (NPI) is 1699113829, issued by NPPES.