Skip to content

Anthony P. Baron, MD

NPI 1184621336ActiveIndividual· Internal Medicine, Rheumatology· Warren, MI

Internal Medicine, Rheumatology (MD) in Warren, Michigan, trained at University of Michigan Medical School (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $1,811,677 for 2,948 claims, against $1,019,569 paid for services in 2024. Janssen Biotech, Inc. was the largest of 8 companies reporting payments in 2025, $579.69 in all, mostly food and beverage.

Overview

NPI1184621336
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 2, 2005
Last updated in NPPESFeb 16, 2015

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Rheumatology Primary207RR0500X4301057925MI

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 - Rheumatology (MI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients315
Services billed99,219 across 71 procedure codes
Paid by Medicare$1,019,569

Part D prescriptions in 2024

Prescriptions (claims)2,948 · 6,436 30-day fills
Patients342
Total drug cost$1,811,677
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Michigan Medical School
Graduation year1985
Medicare specialtyRheumatology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$579.69 · 29 payments from 8 companies
  • 2024$615.42 · 22 payments from 8 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$524.70 · 28 payments
  • Education$54.99 · 1 payment

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

Other Internal Medicine, Rheumatology providers in Warren

All Internal Medicine, Rheumatology providers in Michigan →