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John G. Lieb II, MD

NPI 1467523365ActiveIndividual· Internal Medicine, Gastroenterology· Gainesville, FL

Internal Medicine, Gastroenterology (MD) in Gainesville, Florida, trained at Johns Hopkins University School of Medicine (class of 2002). Mostly services rather than prescriptions: Medicare paid $9,841 for 85 patients in 2024, with only 49 Part D claims. Aimmune Therapeutics, Inc. was the largest of 2 companies reporting payments in 2025, $748.51 in all, mostly consulting fees.

Overview

NPI1467523365
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedNov 13, 2006
Last updated in NPPESMar 9, 2020
Certified by providerMar 9, 2020

Specialties and licenses

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 (FL); Practitioner - Gastroenterology (PA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients85
Services billed96 across 13 procedure codes
Paid by Medicare$9,841

Part D prescriptions in 2024

Prescriptions (claims)49 · 80 30-day fills
Patients20
Total drug cost$5,970
Generic share90% of claims

Medicare sources and data years

Education and affiliations

Medical schoolJohns Hopkins University School of Medicine
Graduation year2002
Medicare specialtyGastroenterology
Secondary specialtiesInternal Medicine

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$748.51 · 2 payments from 2 companies
  • 2024$59.29 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Aimmune Therapeutics, Inc.$700.001
Mauna Kea Technologies, Inc.$48.511

What the 2025 payments were for

  • Consulting Fee$700.00 · 1 payment
  • Food and Beverage$48.51 · 1 payment

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

Other gastroenterologists in Gainesville

All 61 gastroenterologists in Gainesville · All gastroenterologists in Florida