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Keith R. Baker, M.D.

NPI 1538271267ActiveIndividual· Internal Medicine· Hillsdale, MI

Internal Medicine (M.D.) in Hillsdale, Michigan, trained at Wayne State University School of Medicine (class of 1978). Their prescriptions cost Medicare Part D more than their services did: $1,124,798 for 8,324 claims, against $1,332 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 9 companies reporting payments in 2025, $424.09 in all, mostly food and beverage.

Overview

NPI1538271267
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedAug 31, 2006
Last updated in NPPESApr 26, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XKB041163MI
Family Medicine207Q00000XKB041163MI

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 - Internal Medicine (MI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients128
Services billed208 across 7 procedure codes
Paid by Medicare$1,332

Part D prescriptions in 2024

Prescriptions (claims)8,324 · 18,307 30-day fills
Patients592
Total drug cost$1,124,798
Generic share82% of claims

Medicare sources and data years

Education and affiliations

Medical schoolWayne State University School of Medicine
Graduation year1978
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$424.09 · 20 payments from 9 companies
  • 2024$198.26 · 5 payments from 5 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$424.09 · 20 payments

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

Other Internal Medicine providers in Hillsdale

All Internal Medicine providers in Michigan →