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William A. Horn, MD

NPI 1720016538ActiveIndividual· Dermatology· Hatboro, PA

Dermatology (MD) in Hatboro, Pennsylvania, trained at Perelman School of Med at the University of Pennsylvania (class of 1982). 780 Medicare patients in 2024, $210,210 paid; nearly all of their 838 Part D prescriptions were generic (96%). Janssen Biotech, Inc. was the largest of 4 companies reporting payments in 2025, $795.87 in all, mostly food and beverage.

Overview

NPI1720016538
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 29, 2006
Last updated in NPPESMay 21, 2009

Specialties and licenses

TaxonomyCodeLicenseState
Dermatology Primary207N00000XMD029516EPA

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 (PA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients780
Services billed3,391 across 52 procedure codes
Paid by Medicare$210,210

Part D prescriptions in 2024

Prescriptions (claims)838 · 1,016 30-day fills
Patients312
Total drug cost$53,656
Generic share96% of claims

Medicare sources and data years

Education and affiliations

Medical schoolPerelman School of Med at the University of Pennsylvania
Graduation year1982
Medicare specialtyDermatology

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$795.87 · 7 payments from 4 companies
  • 2024$498.12 · 4 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Janssen Biotech, Inc.$518.284
Organon LLC$126.201
Abbvie Inc.$123.481
Sun Pharmaceutical Industries Inc.$27.911

What the 2025 payments were for

  • Food and Beverage$795.87 · 7 payments

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

Other Dermatology providers in Hatboro

All Dermatology providers in Pennsylvania →