Registry data as of Aug 27, 2026

John Gaetano, M.D.

Gastroenterology Physician · Grayslake, IL

John Gaetano, M.D. is a gastroenterology physician with a practice address in Grayslake, Illinois, and NPI 1588977722, issued on Jul 16, 2010. Check the license (Illinois 036132327, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1588977722
Name
John Gaetano
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
036132327 IL
036.132327 IL
Self-reported in NPPES; status is on the state search
Practice location
1475 E Belvidere RD, Grayslake, IL 60030
Phone
(847) 295-1300
Enumerated
Jul 16, 2010
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 1475 E Belvidere RD

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

  1. Aysha AhmadStudent in an Organized Health Care Education/Training Program1255863957
  2. Kathleen Andel, PA-CPhysician Assistant1831463231
  3. Patricia Benenson, PTPhysical Therapist1205925047
  4. Leslie Buchenberger, P.T.Physical Therapist1629277546
  5. Andreea Costea, M.D.Student in an Organized Health Care Education/Training Program1477907731
  6. Kimberly Forsey, M.D.Pediatrics Physician1215934211

Verify John Gaetano 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 036132327
    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.

2.2 times the Medicare Part D claims of the average gastroenterology physician in 2024

1,796 Medicare Part D claims for 600 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. John Gaetano1,796
  2. Specialty average811

Most prescribed

  1. Omeprazole319 claims
  2. Sod Sulf-Potass Sulf-Mag Sulf264 claims
  3. Pantoprazole Sodium137 claims
  4. Ursodiol89 claims
  5. Famotidine77 claims
  6. Colestipol Hcl61 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.

The Medicare quality score for 2023: 94.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.6
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $18.50

1 payment, mostly food and beverage; the largest payer was Abbvie Inc. 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. John Gaetano$18.50
  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. Northwestern Medical Faculty FoundationChicago, IL

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

Gastroenterology Physician providers in Illinois

There are 887 gastroenterology physician records in Illinois.

Other gastroenterology physician records in Illinois

  1. Abdul Aadam, M.D.Chicago, IL1013038744
  2. Richard Aaronson, M.D.Olympia Fields, IL1578520656
  3. Abdelhai Abdelqader, MDMaywood, IL1073931127
  4. Mustafa Abdul-Hussein, MDMattoon, IL1972759173
  5. Abdullah AbdussalamDes Plaines, IL1932442613
  6. Ayokunle Abegunde, M.D.Maywood, IL1194031435
  7. Majd Aboona, MDChicago, IL1386347789
  8. James Abraham, MDNaperville, IL1427276732
  9. Rana Abraham, M.D., M.S.Chicago, IL1437318516
  10. Frida Abrahamian, MDChicago, IL1447274279

Common questions

What is John Gaetano, M.D.'s NPI number?

John Gaetano, M.D.'s National Provider Identifier (NPI) is 1588977722, issued on Jul 16, 2010. An NPI identifies a provider in billing; it is not a license.

Where is John Gaetano, M.D. located?

The NPPES record lists a practice address at 1475 E Belvidere RD, Grayslake, IL, 60030. Phone: (847) 295-1300. Providers update this record themselves, so call before visiting.

How can I verify John Gaetano, M.D.'s license?

NPPES lists Illinois license number 036132327, 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 John Gaetano, M.D. prescribe under Medicare Part D?

In 2024, John Gaetano, M.D. had 1,796 Medicare Part D claims for 600 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is John Gaetano, M.D.'s Medicare quality score?

The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.

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) 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 27, 2026.