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James E. Ruffer, M.D.

NPI 1679564629ActiveIndividual· Radiology, Radiation Oncology· Libertyville, IL

Radiology, Radiation Oncology (M.D.) in Libertyville, Illinois, trained at Northwestern University Feinberg Medical School (class of 1989). 200 Medicare patients in 2024, $112,536 paid; nearly all of their 61 Part D prescriptions were generic (97%). Galvanize Therapeutics, Inc reported $145.70 in payments in 2025, mostly food and beverage.

Overview

NPI1679564629
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedOct 31, 2005
Last updated in NPPESAug 7, 2026
Certified by providerAug 7, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Radiology, Radiation Oncology Primary2085R0001X036099331IL

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 - Radiation Oncology (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients200
Services billed1,359 across 31 procedure codes
Paid by Medicare$112,536

Part D prescriptions in 2024

Prescriptions (claims)61 · 103 30-day fills
Patients33
Total drug cost$1,091
Generic share97% of claims

Medicare sources and data years

Education and affiliations

Medical schoolNorthwestern University Feinberg Medical School
Graduation year1989
Medicare specialtyRadiation Oncology

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$145.70 · 1 payment from 1 company
  • 2024$63.77 · 3 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Galvanize Therapeutics, Inc$145.701

What the 2025 payments were for

  • Food and Beverage$145.70 · 1 payment

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

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