Doctor profile · Federal record

Dr. Duc Nguyen, M.D.

Psychiatry Physician · Los Angeles, CA

  • NPI 1639353766
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1520 San Pablo St Ste 1652
Los Angeles, CA 900335321
(323) 442-6000
Mailing address
Po Box 31309
Los Angeles, CA 900310309

Credentials & registration

NPPES · NUCC
NPI registered
December 2007 — 19 yrs on file
Profile last updated
January 29, 2019
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #A101981

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639353766. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$820
Transactions
36
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Teva Pharmaceuticals USA, INC. 25 $521.46
Janssen Pharmaceuticals, INC 5 $162.31
Otsuka America Pharmaceutical, INC. 6 $136.72

By nature of payment

Food and Beverage
$741
Education
$80

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
915
Patients
54
Total drug cost
$351,105
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 136 18 $3,247
Trazodone Hcl Generic 79 13 $888
Mirtazapine Generic 74 0 $1,116
Duloxetine Hcl Generic 71 0 $1,349
Invega Sustenna (Paliperidone Palmitate) Brand 70 0 $168,009
Hydroxyzine Hcl Generic 67 12 $1,149
Abilify Maintena (Aripiprazole) Brand 60 11 $165,440
Benztropine Mesylate Generic 56 0 $694
Lamotrigine Generic 54 0 $333
Clonazepam Generic 50 0 $752

Frequently asked questions

Auto-generated from federal data
What is Dr. Duc Nguyen's medical specialty?
Dr. Duc Nguyen practices Psychiatry Physician in Los Angeles, CA.
Where does Dr. Duc Nguyen practice?
Dr. Duc Nguyen practices at 1520 San Pablo St Ste 1652, Los Angeles, CA 900335321. Office phone: 3234426000.
What is Dr. Duc Nguyen's NPI?
Dr. Duc Nguyen's National Provider Identifier (NPI) is 1639353766, issued by NPPES.