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James Lewis

NPI 1396745212ActiveIndividual· Internal Medicine, Gastroenterology· Washington, DC

Internal Medicine, Gastroenterology in Washington, District of Columbia, trained at State University of New York Downstate Medical Center (class of 1975). Their prescriptions cost Medicare Part D more than their services did: $224,240 for 159 claims, against $12,380 paid for services in 2024. Biogen, Inc. was the largest of 17 companies reporting payments in 2025, $146,365 in all, mostly consulting fees.

Overview

NPI1396745212
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedJul 22, 2005
Last updated in NPPESMar 8, 2012

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100X11532DC

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

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

Medicare services in 2024

Medicare patients81
Services billed101 across 8 procedure codes
Paid by Medicare$12,380

Part D prescriptions in 2024

Prescriptions (claims)159 · 320 30-day fills
Patients34
Total drug cost$224,240
Generic share56% of claims

Medicare sources and data years

Education and affiliations

Medical schoolState University of New York Downstate Medical Center
Graduation year1975
Medicare specialtyGastroenterology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$146,365 · 83 payments from 17 companies
  • 2024$174,627 · 93 payments from 20 companies

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$146,201 · 78 payments
  • Food and Beverage$164.85 · 5 payments

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

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