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Robert J. Chalfin, MD

NPI 1841295318ActiveIndividual· Internal Medicine· Warminster, PA

Internal Medicine (MD) in Warminster, Pennsylvania, trained at Temple University School of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $1,395,735 for 17,256 claims, against $204,787 paid for services in 2024.

Overview

NPI1841295318
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 20, 2005
Last updated in NPPESJul 14, 2014

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XMD0623406PA

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 - Internal Medicine (PA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients517
Services billed2,914 across 47 procedure codes
Paid by Medicare$204,787

Part D prescriptions in 2024

Prescriptions (claims)17,256 · 27,320 30-day fills
Patients897
Total drug cost$1,395,735
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Medical schoolTemple University School of Medicine
Graduation year1994
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

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 Internal Medicine providers in Warminster

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