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Katherine Williams Dinardo, MD

NPI 1821454018ActiveIndividual· Internal Medicine, Hematology & Oncology· Norfolk, VA

Internal Medicine, Hematology & Oncology (MD) in Norfolk, Virginia, trained at Johns Hopkins University School of Medicine (class of 2018). In 2024 Medicare paid $455,731 for 245 patients, and Part D covered 335 of their prescriptions, 74% of them generic. Regeneron Healthcare Solutions, Inc. reported $130.52 in payments in 2025, mostly food and beverage.

Overview

NPI1821454018
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedJan 5, 2016
Last updated in NPPESJul 17, 2024
Certified by providerJul 17, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003X0101280735VA

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 - Hematology/Oncology (VA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients245
Services billed22,204 across 141 procedure codes
Paid by Medicare$455,731

Part D prescriptions in 2024

Prescriptions (claims)335 · 393 30-day fills
Patients83
Total drug cost$541,010
Generic share74% of claims

Medicare sources and data years

Education and affiliations

Medical schoolJohns Hopkins University School of Medicine
Graduation year2018
Medicare specialtyHematology/Oncology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$130.52 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Regeneron Healthcare Solutions, Inc.$130.521

What the 2025 payments were for

  • Food and Beverage$130.52 · 1 payment

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

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