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James D. Walter, MD

NPI 1912009580ActiveIndividual· Internal Medicine· Davison, MI

Internal Medicine (MD) in Davison, Michigan, trained at University of Michigan Medical School (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $1,073,485 for 10,115 claims, against $65,492 paid for services in 2024. Abbott Laboratories was the largest of 4 companies reporting payments in 2025, $73.21 in all, mostly food and beverage.

Overview

NPI1912009580
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedSep 2, 2006
Last updated in NPPESJan 12, 2009

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X4301062069MI

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 - Internal Medicine (MI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients147
Services billed5,255 across 52 procedure codes
Paid by Medicare$65,492

Part D prescriptions in 2024

Prescriptions (claims)10,115 · 23,069 30-day fills
Patients585
Total drug cost$1,073,485
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Michigan Medical School
Graduation year1990
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$73.21 · 4 payments from 4 companies
  • 2024$242.12 · 14 payments from 9 companies

Top paying companies in 2025

CompanyAmountPayments
Abbott Laboratories$20.491
Astellas Pharma US Inc$18.971
Glaxosmithkline, LLC.$18.291
Abbvie Inc.$15.461

What the 2025 payments were for

  • Food and Beverage$73.21 · 4 payments

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

Other internal medicine physicians in Davison

All 18 internal medicine physicians in Davison · All internal medicine physicians in Michigan