Thomas Allen, MD
Psychiatry Physician · Chicago, IL
Thomas Allen, MD is a psychiatry physician with a practice address in Chicago, Illinois, and NPI 1891900197, issued on May 11, 2007. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Thomas Allen
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- Practice location
- 446 E Ontario St, Chicago, IL 60611
- Phone
- (312) 926-8638
- Enumerated
- May 11, 2007
- Entity
- Type 1 · individual
Also registered at 446 E Ontario St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexandra Aaronson, M.D.Psychiatry Physician1881937928
- Gaurava Agarwal, M.D.Psychiatry Physician1043467871
- Alison Alden, PH.D.Counselor1760762686
- Chetan Amar, M.D.Student in an Organized Health Care Education/Training Program1053775585
- Carolyn Auffenberg, M.D.Psychiatry Physician1306132089
- Shirley Baron, PHDClinical Psychologist1265429195
Verify Thomas Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Industry payments in 2024: $33.06
1 payment, mostly food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc.. The 12,691 providers of this specialty with any payment received $4,902.45 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.
766 psychiatry physician records list a Chicago practice address
They are 766 of the 63,379 NPPES records with a Chicago practice address, and 2,003 psychiatry physician records in Illinois.
All 766 in Chicago → All 2,003 in Illinois → Every provider in Chicago →
Other psychiatry physician records in Illinois
- Alexandra Aaronson, M.D.Chicago, IL1881937928
- Anthony Abadir, MDOak Park, IL1295312551
- Jeff Abbott, M.D.Chicago, IL1265887509
- Kathryn AbbottChicago, IL1295537561
- Gil Abelita, MDBloomington, IL1619986551
- Dinuk Abeysekera, M.D.North Chicago, IL1366616534
- Patrick Abler, DOSpringfield, IL1770158537
- Jenny Abraham, APNDowners Grove, IL1396322392
- Rohit Abraham, MD, MPH, MATChicago, IL1013478932
- Constantin Abuzatoaie, M.D.Hoffman Estates, IL1477817062
Common questions
What is Thomas Allen, MD's NPI number?
Thomas Allen, MD's National Provider Identifier (NPI) is 1891900197, issued on May 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Allen, MD located?
The NPPES record lists a practice address at 446 E Ontario St, Chicago, IL, 60611. Phone: (312) 926-8638. Providers update this record themselves, so call before visiting.
How can I verify Thomas Allen, MD's license?
Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.