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Zafar Abulhasan Ansari, MD

NPI 1023125218ActiveIndividual· Internal Medicine· Waldorf, MD

Internal Medicine (MD) in Waldorf, Maryland, trained at University of Chicago, Pritzker School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $546,552 for 4,958 claims, against $170,401 paid for services in 2024. Amgen Inc. was the largest of 7 companies reporting payments in 2025, $489.89 in all, mostly food and beverage.

Overview

NPI1023125218
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedAug 24, 2006
Last updated in NPPESJul 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XD0053219MD

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 (DC); Practitioner - Internal Medicine (MD)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients200
Services billed3,253 across 43 procedure codes
Paid by Medicare$170,401

Part D prescriptions in 2024

Prescriptions (claims)4,958 · 10,385 30-day fills
Patients234
Total drug cost$546,552
Generic share81% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Chicago, Pritzker School of Medicine
Graduation year1995
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$489.89 · 21 payments from 7 companies
  • 2024$330.23 · 16 payments from 8 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$489.89 · 21 payments

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

Other Internal Medicine providers in Waldorf

All Internal Medicine providers in Maryland →