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Ramsey Nasri Nassar, MD

NPI 1003810938ActiveIndividual· Internal Medicine, Nephrology· Louisville, KY

Internal Medicine, Nephrology (MD) in Louisville, Kentucky, trained at University of Toledo College of Medicine (class of 1983). 658 Medicare patients in 2024, $283,115 paid; nearly all of their 1,058 Part D prescriptions were generic (90%). Nxstage Medical, Inc. was the largest of 13 companies reporting payments in 2025, $1,287 in all, mostly food and beverage.

Overview

NPI1003810938
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 9, 2005
Last updated in NPPESSep 30, 2026
Certified by providerSep 30, 2026

Specialties and licenses

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 (IN); Practitioner - Nephrology (KY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients658
Services billed2,997 across 23 procedure codes
Paid by Medicare$283,115

Part D prescriptions in 2024

Prescriptions (claims)1,058 · 2,204 30-day fills
Patients216
Total drug cost$284,718
Generic share90% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Toledo College of Medicine
Graduation year1983
Medicare specialtyNephrology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,287 · 55 payments from 13 companies
  • 2024$1,250 · 47 payments from 15 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,287 · 55 payments

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

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