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Yoon J. Ahn, MD

NPI 1396782892ActiveIndividual· Internal Medicine, Nephrology· Phila, PA

Internal Medicine, Nephrology (MD) in Phila, Pennsylvania, trained at Temple University School of Medicine (class of 1991). Mostly services rather than prescriptions: Medicare paid $21,902 for 100 patients in 2024, with only 36 Part D claims. Vantive US Healthcare LLC reported $128.09 in payments in 2025, mostly food and beverage.

Overview

NPI1396782892
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 1, 2006
Last updated in NPPESJul 13, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300XMD061394LPA

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 - Nephrology (PA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients100
Services billed278 across 6 procedure codes
Paid by Medicare$21,902

Part D prescriptions in 2024

Prescriptions (claims)36 · 59 30-day fills
Total drug cost$5,866
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Medical schoolTemple University School of Medicine
Graduation year1991
Medicare specialtyNephrology

Medical group

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$128.09 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Vantive US Healthcare LLC$128.091

What the 2025 payments were for

  • Food and Beverage$128.09 · 1 payment

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

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