William M. Irvin, MD
Geriatric Psychiatry Physician · Saint Louis, MO
William M. Irvin, MD is a geriatric psychiatry physician with a practice address in Saint Louis, Missouri, and NPI 1942392931, issued on Sep 28, 2006. Check the license (Missouri 2001010868, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- William M. Irvin
- Credential
- MD
- Primary taxonomy
- Geriatric Psychiatry Physician 2084P0805X
- License number
- 2001010868 MO
Self-reported in NPPES; status is on the state search - Practice location
- 11477 Olde Cabin RD Ste 210, Saint Louis, MO 63141
- Phone
- (314) 997-5208
- Enumerated
- Sep 28, 2006
- Record last updated
- Dec 17, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (314) 997-5368
- Medicaid ID
- 205866304 MO
- Medicare enrollment
- Enrolled (PECOS I20051024000908); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric psychiatry physician records → All 13 in Missouri → Look up another NPI →
Also registered at 11477 Olde Cabin RD Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
- George Dowell, M.D.Psychiatry Physician1750491130
- Jordan Malone, APRN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1043661184
Verify William M. Irvin 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 2001010868Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average geriatric psychiatry physician in 2024
1,792 Medicare Part D claims for 94 beneficiaries, against an average of 1,485 among the 473 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Duloxetine Hcl132 claims
- Alprazolam118 claims
- Lamotrigine100 claims
- Quetiapine Fumarate97 claims
- Bupropion Xl91 claims
- Lorazepam84 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: $23.73
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 200 providers of this specialty with any payment received $2,189.26 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.
Bills Medicare through one group practice
- Ssm Health Care St LouisFenton, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William M. Irvin among 13 geriatric psychiatry physician records in Missouri
William M. Irvin, MD is one of 13 geriatric psychiatry physician records with a practice address in Missouri. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 46% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Record last updated2012 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0805X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Psychiatry Physician providers in Missouri
There are 13 geriatric psychiatry physician records in Missouri.
All 13 in Missouri → Every provider in Saint Louis → Geriatric Psychiatry Physician nationwide →
The 8 geriatric psychiatry physician records with the nearest ZIP codes
- Elizabeth Pribor, MDSt Louis, MO 631411255425351
- Pratibha Gurusiddaiya, M.DSaint Louis, MO 631251316990989
- Carl McGahee, M.D.Saint Louis, MO 631081730232844
- Noam Grysman, MDSaint Louis, MO 631041619498557
- Rita Khoury, MDSaint Louis, MO 631041174008452
- Chinya Murali, MDSaint Peters, MO 633761831156868
- Andrew Lovy, D. O.Macon, MO 635521013917525
- Dilip Gogineni, M.D.Poplar Bluff, MO 639011902910615
Common questions
What is William M. Irvin, MD's NPI number?
William M. Irvin, MD's National Provider Identifier (NPI) is 1942392931, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William M. Irvin, MD located?
The NPPES record lists a practice address at 11477 Olde Cabin RD Ste 210, Saint Louis, MO, 63141. Phone: (314) 997-5208. Providers update this record themselves, so call before visiting.
How can I verify William M. Irvin, MD's license?
NPPES lists Missouri license number 2001010868, 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 William M. Irvin, MD prescribe under Medicare Part D?
In 2024, William M. Irvin, MD had 1,792 Medicare Part D claims for 94 beneficiaries; the average among geriatric psychiatry physician prescribers was 1,485. 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.