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John J. Ackert, MD

NPI 1053335810ActiveIndividual· Internal Medicine, Gastroenterology· New York, NY

Internal Medicine, Gastroenterology (MD) in New York, New York, trained at New York University School of Medicine (class of 1972). In 2024 Medicare paid $45,029 for 210 patients, and Part D covered 227 of their prescriptions, 76% of them generic. Lilly USA, LLC was the largest of 3 companies reporting payments in 2025, $103.41 in all, mostly food and beverage.

Overview

NPI1053335810
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 26, 2006
Last updated in NPPESApr 22, 2021
Certified by providerApr 22, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100X116965NY

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Gastroenterology (NY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients210
Services billed530 across 22 procedure codes
Paid by Medicare$45,029

Part D prescriptions in 2024

Prescriptions (claims)227 · 353 30-day fills
Patients138
Total drug cost$23,053
Generic share76% of claims

Medicare sources and data years

Education and affiliations

Medical schoolNew York University School of Medicine
Graduation year1972
Medicare specialtyGastroenterology

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$103.41 · 5 payments from 3 companies
  • 2024$101.34 · 4 payments from 4 companies

Top paying companies in 2025

CompanyAmountPayments
Lilly USA, LLC$50.333
Qol Medical, LLC$34.151
Abbvie Inc.$18.931

What the 2025 payments were for

  • Food and Beverage$103.41 · 5 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other gastroenterologists in New York

All 640 gastroenterologists in New York · All gastroenterologists in New York