Registry data as of Aug 27, 2026

Joseph Mason, MD

Child & Adolescent Psychiatry Physician · Chicago, IL

Joseph Mason, MD is a child & adolescent psychiatry physician with a practice address in Chicago, Illinois, and NPI 1396858296, issued on Aug 16, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1396858296
Name
Joseph Mason
Credential
MD
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
Practice location
938 W Nelson St, Chicago, IL 60657
Phone
(773) 296-3220
Enumerated
Aug 16, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 938 W Nelson St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Laura Applebaum, LCSWClinical Social Worker1952961310
  2. Eric Arnold, CADCAddiction (Substance Use Disorder) Counselor1649570672
  3. Alyse Biszewski, M.S.WSocial Worker1669823480
  4. Glynn Brown, LCSWClinical Social Worker1013388214
  5. Kevin Carrion, PSY.DClinical Psychologist1316589062
  6. Angela Casper, LCSWClinical Social Worker1093120149

Verify Joseph Mason in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Child & Adolescent Psychiatry Physician providers in Illinois

There are 201 child & adolescent psychiatry physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other child & adolescent psychiatry physician records in Illinois

  1. Huma Abbas, M.D.Aurora, IL1609039163
  2. Adrienne Adams, M.D.Evanston, IL1578661781
  3. Oluwemimo Adeyanju, MDDes Plaines, IL1487018081
  4. Nasir Ahmad, M.D.Springfield, IL1174838452
  5. Alaa Ahmed, MDCarbondale, IL1144742230
  6. Faisal Ahmed, MDNormal, IL1417069881
  7. Theodore Allchin, MDMount Prospect, IL1861522567
  8. Seeba AnamChicago, IL1972727428
  9. Ali Anwar, D.O.Elgin, IL1710328703
  10. Khalid Arshad, MDKankakee, IL1306259817

Common questions

What is Joseph Mason, MD's NPI number?

Joseph Mason, MD's National Provider Identifier (NPI) is 1396858296, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Mason, MD located?

The NPPES record lists a practice address at 938 W Nelson St, Chicago, IL, 60657. Phone: (773) 296-3220. Providers update this record themselves, so call before visiting.

How can I verify Joseph Mason, 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. 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.