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William J. Kozak Jr., MD

NPI 1912908914ActiveIndividual· Family Medicine· Connellsville, PA

Family Medicine (MD) in Connellsville, Pennsylvania, trained at Temple University School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $1,434,425 for 16,947 claims, against $35,003 paid for services in 2024.

Overview

NPI1912908914
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedAug 2, 2005
Last updated in NPPESMay 14, 2008

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000XMD422207PA

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 - Family Practice (PA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients186
Services billed486 across 20 procedure codes
Paid by Medicare$35,003

Part D prescriptions in 2024

Prescriptions (claims)16,947 · 29,250 30-day fills
Patients728
Total drug cost$1,434,425
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Medical schoolTemple University School of Medicine
Graduation year2000
Medicare specialtyFamily Practice

Medical groups

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other family medicine physicians in Connellsville

All 23 family medicine physicians in Connellsville · All family medicine physicians in Pennsylvania