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Gary Bergen, M.D.

NPI 1295833812ActiveIndividual· Internal Medicine, Infectious Disease· Naples, FL

Internal Medicine, Infectious Disease (M.D.) in Naples, Florida, trained at University of South Florida College of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $668,475 for 952 claims, against $230,428 paid for services in 2024. Insmed, Inc. was the largest of 6 companies reporting payments in 2025, $290.93 in all, mostly food and beverage.

Overview

NPI1295833812
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedSep 20, 2006
Last updated in NPPESJul 21, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Infectious Disease Primary207RI0200XME58044FL

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 - Infectious Disease (FL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,017
Services billed2,333 across 9 procedure codes
Paid by Medicare$230,428

Part D prescriptions in 2024

Prescriptions (claims)952 · 1,142 30-day fills
Patients270
Total drug cost$668,475
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of South Florida College of Medicine
Graduation year1989
Medicare specialtyInfectious Disease
Secondary specialtiesInternal Medicine

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$290.93 · 15 payments from 6 companies
  • 2024$803.95 · 31 payments from 11 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$290.93 · 15 payments

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

Other infectious disease specialists in Naples

All 15 infectious disease specialists in Naples · All infectious disease specialists in Florida