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James William Walter II, M.D.

NPI 1083903314ActiveIndividual· Internal Medicine, Gastroenterology· Philadelphia, PA

Internal Medicine, Gastroenterology (M.D.) in Philadelphia, Pennsylvania, trained at Creighton University School of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $1,134,705 for 538 claims, against $36,560 paid for services in 2024. Celltrion USA Inc. was the largest of 9 companies reporting payments in 2025, $14,826 in all, mostly honoraria.

Overview

NPI1083903314
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedApr 7, 2011
Last updated in NPPESJun 7, 2018

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100XMD463927PA

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 (PA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients218
Services billed325 across 31 procedure codes
Paid by Medicare$36,560

Part D prescriptions in 2024

Prescriptions (claims)538 · 634 30-day fills
Patients179
Total drug cost$1,134,705
Generic share65% of claims

Medicare sources and data years

Education and affiliations

Medical schoolCreighton University School of Medicine
Graduation year2011
Medicare specialtyGastroenterology

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$14,826 · 40 payments from 9 companies
  • 2024$7,226 · 45 payments from 7 companies

Top paying companies in 2025

CompanyAmountPayments
Celltrion USA Inc.$10,49612
Eli Lilly and Company$3,0001
Medtronic, Inc.$1,13617
Abbvie Inc.$62.984
Ardelyx, Inc.$45.092

What the 2025 payments were for

  • Honoraria$9,347 · 7 payments
  • Consulting Fee$3,905 · 2 payments
  • Travel and Lodging$876.52 · 7 payments
  • Food and Beverage$698.16 · 24 payments

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

Other gastroenterologists in Philadelphia

All 252 gastroenterologists in Philadelphia · All gastroenterologists in Pennsylvania