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James M. Nachiondo, MD

NPI 1407832231ActiveIndividual· Internal Medicine, Gastroenterology· Reno, NV

Internal Medicine, Gastroenterology (MD) in Reno, Nevada, trained at University of Nevada School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $209,615 for 676 claims, against $5,861 paid for services in 2024. Janssen Biotech, Inc. was the largest of 2 companies reporting payments in 2025, $69.02 in all, mostly food and beverage.

Overview

NPI1407832231
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedDec 22, 2005
Last updated in NPPESDec 22, 2022
Certified by providerDec 22, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100X11261NV

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 (CA); Practitioner - Gastroenterology (NV)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients31
Services billed57 across 13 procedure codes
Paid by Medicare$5,861

Part D prescriptions in 2024

Prescriptions (claims)676 · 1,220 30-day fills
Patients275
Total drug cost$209,615
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Nevada School of Medicine
Graduation year1998
Medicare specialtyGastroenterology

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$69.02 · 3 payments from 2 companies
  • 2024$238.56 · 11 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Janssen Biotech, Inc.$52.642
Genzyme Corporation$16.381

What the 2025 payments were for

  • Food and Beverage$69.02 · 3 payments

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

Other gastroenterologists in Reno

All 30 gastroenterologists in Reno · All gastroenterologists in Nevada