NPPES file of Aug 9, 2026

Nikunj Shah, MD

Gastroenterology Physician · Chicago, IL

Nikunj Shah, MD is a gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1134109861, issued on Jan 19, 2006. Check the license (Illinois 36051792, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134109861
Name
Nikunj Shah
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
36051792 IL
Self-reported in NPPES; status is on the state search
Practice location
840 S. Wood St., Chicago, IL 60612
Phone
(312) 413-9037
Enumerated
Jan 19, 2006
Record last updated
Mar 12, 2024
Fax
(312) 996-1334
Medicaid ID
36051792 IL
Medicare enrollment
Enrolled (PECOS I20050915000898); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
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Also registered at 840 S. Wood St.

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

  1. Ernest Jorrel Bituin, APNAcute Care Nurse Practitioner1851705958
  2. Robert Cabay, M.D., D.D.S.Anatomic Pathology & Clinical Pathology Physician1427270602
  3. John Frederiksen, M.D., PH.D.Anatomic Pathology & Clinical Pathology Physician1396987277
  4. Akash Patel, DOStudent in an Organized Health Care Education/Training Program1972305688
  5. Bartlomiej Radzik, MDAnatomic Pathology & Clinical Pathology Physician1689137184

Verify Nikunj Shah 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 36051792
    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.

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88% fewer Medicare Part D claims than the average gastroenterology physician in 2024

97 Medicare Part D claims for 32 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Nikunj Shah97
  2. Specialty average811

Most prescribed

  1. Ursodiol25 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.

Bills Medicare through one group practice

  1. University OF ChicagoChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nikunj Shah among 887 gastroenterology physician records in Illinois

Nikunj Shah, MD is one of 887 gastroenterology physician records with a practice address in Illinois. 85% 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 15% of them.

  • NPI issued2006 · 15% of these records are older, 52% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1973 · median 2003 among the 643 with a school on file
  • Record last updated2024 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Illinois

There are 887 gastroenterology physician records in Illinois.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Frida Abrahamian, MDChicago, IL 606121447274279
  2. Purnima Balachandran, MDChicago, IL 606121659318509
  3. Michael Brown, M.D.Chicago, IL 606121265477293
  4. Keith Bruninga, M.D.Chicago, IL 606121881638823
  5. Mark Demeo, M.D.Chicago, IL 606121972549327
  6. Mohammad Fayyaz, MDChicago, IL 606121992731616
  7. Benjamin Go, M.D.Chicago, IL 606121982624946
  8. Ali Keshavarzian, M.D.Chicago, IL 606121558302257

Common questions

What is Nikunj Shah, MD's NPI number?

Nikunj Shah, MD's National Provider Identifier (NPI) is 1134109861, issued on Jan 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nikunj Shah, MD located?

The NPPES record lists a practice address at 840 S. Wood St., Chicago, IL, 60612. Phone: (312) 413-9037. Providers update this record themselves, so call before visiting.

How can I verify Nikunj Shah, MD's license?

NPPES lists Illinois license number 36051792, 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.

How much does Nikunj Shah, MD prescribe under Medicare Part D?

In 2024, Nikunj Shah, MD had 97 Medicare Part D claims for 32 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.