Skip to content

John Michael Williams, MD

NPI 1457389678ActiveIndividual· Dermatology· Summit, NJ

Dermatology (MD) in Summit, New Jersey, trained at Drexel University College of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $1,116,146 for 1,327 claims, against $387,117 paid for services in 2024. Janssen Biotech, Inc. was the largest of 2 companies reporting payments in 2025, $210.43 in all, mostly food and beverage.

Overview

NPI1457389678
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedJun 28, 2006
Last updated in NPPESJan 2, 2019

Specialties and licenses

TaxonomyCodeLicenseState
Dermatology Primary207N00000X25MA08118400NJ

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 - Dermatology (NJ)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients598
Services billed4,889 across 107 procedure codes
Paid by Medicare$387,117

Part D prescriptions in 2024

Prescriptions (claims)1,327 · 1,635 30-day fills
Patients372
Total drug cost$1,116,146
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Medical schoolDrexel University College of Medicine
Graduation year1999
Medicare specialtyDermatology

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$210.43 · 12 payments from 2 companies
  • 2024$101.19 · 3 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Janssen Biotech, Inc.$197.2611
Janssen Pharmaceuticals, Inc$13.171

What the 2025 payments were for

  • Food and Beverage$125.26 · 10 payments
  • Education$85.17 · 2 payments

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

Other Dermatology providers in Summit

All Dermatology providers in New Jersey →