NPPES file of Aug 9, 2026

Gregory Joseph Pajot, M.D.

Gastroenterology Physician · Chicago, IL

Gregory Joseph Pajot, M.D. is a gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1750735551, issued on Apr 18, 2016. Check the license (Illinois 036.149340, 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
1750735551
Name
Gregory Joseph Pajot
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
036.149340 IL
Self-reported in NPPES; status is on the state search
Practice location
900 W Nelson St, Chicago, IL 60657
Phone
(773) 296-7089
Enumerated
Apr 18, 2016
Record last updated
Oct 21, 2022
Medicare enrollment
Enrolled (PECOS I20220711003739); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 2016
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 900 W Nelson St

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

  1. Nora Al-Sibaie, PHARMDPharmacist1134694326
  2. Jennifer Babiarz, PAMedical Physician Assistant1457456105
  3. Ana BedonClinical Nurse Specialist1952778318
  4. Nivan ChowattukunnelHematology & Oncology Physician1629537816
  5. Ifunanya Chris-UkahPhysician Assistant1669105250
  6. Sonia ChristianHematology & Oncology Physician1891038204

Verify Gregory Joseph Pajot 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 036.149340
    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

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51% fewer Medicare Part D claims than the average gastroenterology physician in 2024

399 Medicare Part D claims for 191 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Gregory Pajot399
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium108 claims
  2. Peg 3350-Electrolyte77 claims
  3. Sod Sulf-Potass Sulf-Mag Sulf56 claims
  4. Omeprazole25 claims
  5. Dicyclomine Hcl12 claims
  6. Famotidine11 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: $154.40

2 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Pajot$154.40
  2. Specialty average$5,015.95

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

  1. Advocate Health And Hospitals CorporationChicago, IL

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

Gregory Joseph Pajot among 887 gastroenterology physician records in Illinois

Gregory Joseph Pajot, M.D. 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 2016, is newer than 79% of them.

  • NPI issued2016 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2016 · median 2003 among the 643 with a school on file
  • Record last updated2022 · 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. Andrew Albert, MDChicago, IL 606571659413656
  2. Carl Atallah, DOChicago, IL 606571922269190
  3. Manish Dhamija, M.D.Chicago, IL 606571699977413
  4. Michael Flicker, M.D.Chicago, IL 606571730375627
  5. Keikhosrow Ghazanfari, MDChicago, IL 606571831188747
  6. Lawrence Gluskin, MDChicago, IL 606571235109711
  7. Frank Konicek, MDChicago, IL 606571619966447
  8. Krutika Lakhoo, MDChicago, IL 606571407199458

Common questions

What is Gregory Joseph Pajot, M.D.'s NPI number?

Gregory Joseph Pajot, M.D.'s National Provider Identifier (NPI) is 1750735551, issued on Apr 18, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Joseph Pajot, M.D. located?

The NPPES record lists a practice address at 900 W Nelson St, Chicago, IL, 60657. Phone: (773) 296-7089. Providers update this record themselves, so call before visiting.

How can I verify Gregory Joseph Pajot, M.D.'s license?

NPPES lists Illinois license number 036.149340, 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 Gregory Joseph Pajot, M.D. prescribe under Medicare Part D?

In 2024, Gregory Joseph Pajot, M.D. had 399 Medicare Part D claims for 191 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.