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Robert A. Johnson, M.D

NPI 1245262336ActiveIndividual· Internal Medicine, Hematology & Oncology· Germantown, TN

Internal Medicine, Hematology & Oncology (M.D) in Germantown, Tennessee, trained at Saint Louis University School of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $8,471,521 for 2,022 claims, against $5,214,984 paid for services in 2024. Pfizer Inc. was the largest of 14 companies reporting payments in 2025, $550.69 in all, mostly food and beverage.

Overview

NPI1245262336
StatusActive
Entity typeIndividual
CredentialM.D
Sole proprietorNo
NPI issuedJul 7, 2006
Last updated in NPPESJul 10, 2023
Certified by providerJul 10, 2023

Specialties and licenses

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 - Hematology/Oncology (MS); Practitioner - Hematology/Oncology (TN)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,125
Services billed268,265 across 240 procedure codes
Paid by Medicare$5,214,984

Part D prescriptions in 2024

Prescriptions (claims)2,022 · 2,903 30-day fills
Patients304
Total drug cost$8,471,521
Generic share64% of claims

Medicare sources and data years

Education and affiliations

Medical schoolSaint Louis University School of Medicine
Graduation year1981
Medicare specialtyHematology/Oncology
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$550.69 · 27 payments from 14 companies
  • 2024$495.95 · 25 payments from 16 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$550.69 · 27 payments

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

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