NPPES file of Aug 9, 2026

Joseph Chapman

Pediatric Gastroenterology Physician · Chicago, IL

Joseph Chapman is a pediatric gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1164985164, issued on Apr 8, 2019. Check the license (Illinois 036176298, as entered in NPPES) 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164985164
Name
Joseph Chapman
Primary taxonomy
Pediatric Gastroenterology Physician 2080P0206X
License number
036176298 IL
Self-reported in NPPES; status is on the state search
Practice location
5841 S Maryland Ave, Chicago, IL 60637
Phone
(888) 824-0200
Enumerated
Apr 8, 2019
Record last updated
Apr 30, 2026
Medicare enrollment
Enrolled (PECOS I20251118003350); may accept Medicare assignment
Medical or professional school
State University Of New York Downstate Medical Center, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest pediatric gastroenterology physician records → All 76 in Illinois → Look up another NPI →

Also registered at 5841 S Maryland Ave

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

  1. Ma. Theresa Abaring, CRNACertified Registered Nurse Anesthetist1962647586
  2. Rouzbeh AbbasgholizadehRetina Specialist (Ophthalmology) Physician1881510030
  3. Jehad Abdalla, MDSleep Medicine (Internal Medicine) Physician1053898684
  4. Sara Abdelaziz, MDEndocrinology, Diabetes & Metabolism Physician1598258089
  5. Noor Abdelrahman, PA-CPhysician Assistant1851012413
  6. Unknown Abdul Hanan, MDBlood Banking & Transfusion Medicine Physician1750022240

Verify Joseph Chapman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036176298    Check 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Joseph Chapman among 76 pediatric gastroenterology physician records in Illinois

Joseph Chapman is one of 76 pediatric gastroenterology physician records with a practice address in Illinois. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2019, is newer than 91% of them.

  • NPI issued2019 · 91% of these records are older, 7% newer
  • In a Medicare fileNo · 58% of these records are
  • In the CMS Doctors and Clinicians fileYes · 26% of these records are
  • Graduated2019 · median 2006 among the 20 with a school on file
  • Record last updated2026 · 24% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Gastroenterology Physician providers in Illinois

There are 76 pediatric gastroenterology physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 76 in Illinois → Every provider in Chicago → Pediatric Gastroenterology Physician nationwide →

The 8 pediatric gastroenterology physician records with the nearest ZIP codes

  1. Cynthia Alvarez, MDChicago, IL 606371124608567
  2. Ruba AzzamChicago, IL 606371356491385
  3. Ranjana GokhaleChicago, IL 606371669522603
  4. Stefano Guandalini, M.D,Chicago, IL 606371679603302
  5. Amelia Kellar, MD, MSC, FRCPCChicago, IL 606371750003620
  6. Barbara Kirschner, M.D.Chicago, IL 606371649300385
  7. Tiffany PattonChicago, IL 606371578799482
  8. Shruti Sakhuja, MDChicago, IL 606371912427907

Common questions

What is Joseph Chapman's NPI number?

Joseph Chapman's National Provider Identifier (NPI) is 1164985164, issued on Apr 8, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Chapman located?

The NPPES record lists a practice address at 5841 S Maryland Ave, Chicago, IL, 60637. Phone: (888) 824-0200. Providers update this record themselves, so call before visiting.

How can I verify Joseph Chapman's license?

NPPES lists Illinois license number 036176298, as entered by the provider. 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.