Stephen Edward Irwin, MD
Child & Adolescent Psychiatry Physician · Saint Louis, MO
Stephen Edward Irwin, MD is a child & adolescent psychiatry physician with a practice address in Saint Louis, Missouri, and NPI 1891371423, issued on Mar 23, 2021. Check the license (Missouri 2025022170, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Stephen Edward Irwin
- Credential
- MD
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- 2025022170 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4444 Forest Park Ave Ste 2600, Saint Louis, MO 63108
- Phone
- (314) 286-1700
- Enumerated
- Mar 23, 2021
- Record last updated
- Aug 4, 2025
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 155 in Missouri → Look up another NPI →
Also registered at 4444 Forest Park Ave Ste 2600
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Omaymah Al Otoom, MDChild & Adolescent Psychiatry Physician1083388425
- Victoria Ayden, MDChild & Adolescent Psychiatry Physician1134302086
- Hushyar Behbahani, DOChild & Adolescent Psychiatry Physician1750083143
- Brian Bui, D.O.Child & Adolescent Psychiatry Physician1699152249
- Sara Collins, LMFTMarriage & Family Therapist1760788228
- Michael Gaffrey, PSYDClinical Child & Adolescent Psychologist1114396330
Verify Stephen Edward Irwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2025022170Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% more Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
736 Medicare Part D claims for 66 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Trazodone Hcl75 claims
- Sertraline Hcl47 claims
- Mirtazapine41 claims
- Clonazepam33 claims
- Duloxetine Hcl33 claims
- Fluoxetine Hcl32 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $459.54
4 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 1,578 providers of this specialty with any payment received $1,427.96 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Stephen Edward Irwin among 155 child & adolescent psychiatry physician records in Missouri
Stephen Edward Irwin, MD is one of 155 child & adolescent psychiatry physician records with a practice address in Missouri. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 88% of them.
- NPI issued2021 · 88% of these records are older, 8% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in Missouri
There are 155 child & adolescent psychiatry physician records in Missouri.
All 155 in Missouri → Every provider in Saint Louis → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Victoria Ayden, MDSaint Louis, MO 631081134302086
- Kelly Botteron, MDSaint Louis, MO 631081013952860
- John Constantino, MDSaint Louis, MO 631081700804408
- Paul Glaser, MDSaint Louis, MO 631081316020738
- Anne Glowinski, MDSaint Louis, MO 631081750326484
- Dehra Harris, MDSaint Louis, MO 631081922024512
- Jaime Hook, MDSaint Louis, MO 631081811198229
- Joan Luby, MDSaint Louis, MO 631081477579696
Common questions
What is Stephen Edward Irwin, MD's NPI number?
Stephen Edward Irwin, MD's National Provider Identifier (NPI) is 1891371423, issued on Mar 23, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Edward Irwin, MD located?
The NPPES record lists a practice address at 4444 Forest Park Ave Ste 2600, Saint Louis, MO, 63108. Phone: (314) 286-1700. Providers update this record themselves, so call before visiting.
How can I verify Stephen Edward Irwin, MD's license?
NPPES lists Missouri license number 2025022170, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen Edward Irwin, MD prescribe under Medicare Part D?
In 2024, Stephen Edward Irwin, MD had 736 Medicare Part D claims for 66 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.