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Patrick C. Johnson, MD

NPI 1164803573ActiveIndividual· Internal Medicine, Medical Oncology· Boston, MA

Internal Medicine, Medical Oncology (MD) in Boston, Massachusetts, trained at Harvard Medical School (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $830,053 for 323 claims, against $71,129 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 9 companies reporting payments in 2025, $53,942 in all, mostly consulting fees.

Overview

NPI1164803573
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 11, 2015
Last updated in NPPESMar 24, 2026
Certified by providerMar 24, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Medical Oncology Primary207RX0202X273455MA

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 - Medical Oncology (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients183
Services billed805 across 16 procedure codes
Paid by Medicare$71,129

Part D prescriptions in 2024

Prescriptions (claims)323 · 425 30-day fills
Patients52
Total drug cost$830,053
Generic share73% of claims

Medicare sources and data years

Education and affiliations

Medical schoolHarvard Medical School
Graduation year2015
Medicare specialtyMedical Oncology
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$53,942 · 36 payments from 9 companies
  • 2024$5,242 · 20 payments from 7 companies

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$42,725 · 11 payments
  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$5,473 · 1 payment
  • Travel and Lodging$5,159 · 13 payments
  • Food and Beverage$586.05 · 11 payments

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

Other Internal Medicine, Medical Oncology providers in Boston

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