Doctor profile · Federal record

Dr. Stephen Irwin, MD

Child & Adolescent Psychiatry Physician · Student in an Organized Health Care Education/Training Program · Saint Louis, MO

  • NPI 1891371423
  • 5 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4444 Forest Park Ave Ste 2600
Saint Louis, MO 631082212
(314) 286-1700
Additional location
1 Childrens Pl
Saint Louis, MO 631101002
Mailing address
660 S Euclid Ave # 8504
Saint Louis, MO 631101010

Credentials & registration

NPPES · NUCC
NPI registered
March 2021 — 5 yrs on file
Profile last updated
August 4, 2025
Specialty taxonomy
2084P0804X — NUCC code
State license (1)
Missouri #2025022170

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891371423. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$460
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, Inc. 1 $124.99
Teva Pharmaceuticals USA, Inc. 1 $123.03
Alkermes, Inc. 1 $117.25
Janssen Pharmaceuticals, Inc 1 $94.27

By nature of payment

Food and Beverage
$460

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
247
Patients
17
Total drug cost
$45,243
Drug Type Claims Patients Total cost
Trazodone Hcl Generic 48 17 $435
Sertraline Hcl Generic 25 0 $234
Alprazolam Generic 22 0 $45
Aripiprazole Generic 21 0 $998
Dextroamphetamine-Amphet Er (Dextroamphetamine/Amphetamine) Brand 21 0 $1,936
Clonazepam Generic 16 0 $200
Duloxetine Hcl Generic 16 0 $238
Fluoxetine Hcl Generic 16 0 $111
Mirtazapine Generic 14 0 $438
Buspirone Hcl Generic 13 0 $183

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Irwin's medical specialty?
Dr. Stephen Irwin practices Child & Adolescent Psychiatry Physician in Saint Louis, MO.
Where does Dr. Stephen Irwin practice?
Dr. Stephen Irwin practices at 4444 Forest Park Ave Ste 2600, Saint Louis, MO 631082212. Office phone: 3142861700.
What is Dr. Stephen Irwin's NPI?
Dr. Stephen Irwin's National Provider Identifier (NPI) is 1891371423, issued by NPPES.