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DR. STEPHEN EDWARD IRWIN MD
NPI 1891371423
Psychiatry & Neurology - Child & Adolescent Psychiatry in Saint Louis, MO

Active since March 23, 2021PECOS Enrolled
4444 FOREST PARK AVE STE 2600, SAINT LOUIS, MO 63108(314) 286-1700 Get Directions Write a Review

NPPES record last updated: August 4, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 4, 2025, Apr 7, 2025, Jun 17, 2024 and 1 more (4 updates tracked since 2021).

About Dr. Stephen Edward Irwin Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEPHEN EDWARD IRWIN MD (NPI 1891371423) is an individual child & adolescent psychiatry provider in Saint Louis, Missouri, licensed in Missouri (2025022170) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and maintains a secondary practice location in Saint Louis.

NPPES Registry Identity

NPI1891371423
Entity TypeIndividualMale
Primary Taxonomy2084P0804X
Provider Legal NameDR. STEPHEN EDWARD IRWINCredential: MD
Location Address4444 FOREST PARK AVE STE 2600Saint Louis, MO 63108-2212
Mailing Address660 S Euclid Ave # 8504Saint Louis, MO 63110-1010 · (314) 977-4850 · Fax (314) 977-5155
Phone(314) 286-1700
Sole ProprietorNo
Enumeration DateMarch 23, 2021
Last NPPES UpdateAugust 4, 20254 updates tracked since enumeration
NPPES CertifiedAugust 4, 2025
✔ NPI 1891371423 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in MO · 2025022170
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
4444 FOREST PARK AVE STE 2600, Saint Louis, MO 63108
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Secondary Practice Location 1

Location 11 Childrens PlSaint Louis, MO 63110-1002 · Phone (314) 286-1700

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Stephen Edward Irwin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. OMAYMAH MOHAMMAD ABD ALKARIM AL OTOOM MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
4444 FOREST PARK AVE STE 2600
SAINT LOUIS, MO 63108
St. Louis City (314) 286-1700
DR. MICHAEL S GAFFREY PSYD
Psychologist (Clinical Child & Adolescent)
4444 FOREST PARK AVE STE 2600, STE 2600
SAINT LOUIS, MO 63108
St. Louis City (314) 286-1700
DR. VICTORIA BROOKE AYDEN MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
4444 FOREST PARK AVE STE 2600, STE 2600
SAINT LOUIS, MO 63108
St. Louis City (314) 286-1700
ANKITA KANTILAL VORA M.D.
Psychiatry & Neurology (Psychiatry)
4444 FOREST PARK AVE STE 2600
SAINT LOUIS, MO 63108
St. Louis City (314) 286-1700
MS. LAURA WEILBACHER RAYHAWK LPC
Counselor (Professional)
4444 FOREST PARK AVE STE 2600, STE 2600
SAINT LOUIS, MO 63108
St. Louis City (314) 286-1700
JOSHUA HILL MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
4444 FOREST PARK AVE STE 2600
SAINT LOUIS, MO 63108
St. Louis City (314) 286-1700
BRANDON LEWIS TROJANOWSKI MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
4444 FOREST PARK AVE STE 2600
SAINT LOUIS, MO 63108
St. Louis City (314) 286-1700
DR. BRIAN BUI D.O.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
4444 FOREST PARK AVE STE 2600
SAINT LOUIS, MO 63108
St. Louis City (314) 286-1700

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephen Irwin's NPI number?

The NPI number for Stephen Irwin is 1891371423. It was assigned to this individual provider in the NPPES registry on March 23, 2021.

Where is Stephen Irwin located?

Stephen Irwin practices at 4444 Forest Park Ave Ste 2600, Saint Louis, MO 63108. The listed phone number is (314) 286-1700.

What is Stephen Irwin's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Stephen Irwin enrolled in Medicare?

Yes. Stephen Irwin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Stephen Irwin was last updated on August 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.