Skip to content

Charles John Sharkey, DO

NPI 1104835040ActiveIndividual· Family Medicine· Williamstown, NJ

Family Medicine (DO) in Williamstown, New Jersey, trained at Rowan University School of Osteopathic Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $288,757 for 4,592 claims, against $101,608 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 5 companies reporting payments in 2025, $87.89 in all, mostly food and beverage.

Overview

NPI1104835040
StatusActive
Entity typeIndividual
CredentialDO
Sole proprietorNo
NPI issuedAug 7, 2006
Last updated in NPPESMar 22, 2010

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000X25MB07683600NJ

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Family Practice (NJ)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients331
Services billed1,235 across 30 procedure codes
Paid by Medicare$101,608

Part D prescriptions in 2024

Prescriptions (claims)4,592 · 10,947 30-day fills
Patients404
Total drug cost$288,757
Generic share91% of claims

Medicare sources and data years

Education and affiliations

Medical schoolRowan University School of Osteopathic Medicine
Graduation year2002
Medicare specialtyFamily Practice
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$87.89 · 5 payments from 5 companies
  • 2024$163.60 · 10 payments from 5 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$87.89 · 5 payments

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

Other Family Medicine providers in Williamstown

All Family Medicine providers in New Jersey →