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Katherine Virginia Day, M.D.

NPI 1598836801ActiveIndividual· Otolaryngology· Bel Air, MD

Otolaryngology (M.D.) with Agape Physical Therapy and Sports Rehabilitation LP and 1 other group, practicing in Bel Air, Maryland. 1,492 Medicare patients in 2024, $306,710 paid; nearly all of their 1,829 Part D prescriptions were generic (96%). Glaxosmithkline, LLC. was the largest of 4 companies reporting payments in 2025, $349.14 in all, mostly food and beverage. Lists Umd Upper Chesapeake Medical Center and 1 other hospital as hospital affiliations.

Overview

NPI1598836801
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedNov 10, 2006
Last updated in NPPESMar 25, 2015

Specialties and licenses

TaxonomyCodeLicenseState
Otolaryngology Primary207Y00000XD0058518MD

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Otolaryngology (MD)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,492
Services billed5,044 across 83 procedure codes
Paid by Medicare$306,710

Part D prescriptions in 2024

Prescriptions (claims)1,829 · 3,570 30-day fills
Patients611
Total drug cost$77,665
Generic share96% of claims

Medicare sources and data years

Education and affiliations

Graduation year2002
Medicare specialtyOtolaryngology

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$349.14 · 15 payments from 4 companies
  • 2024$307.65 · 10 payments from 5 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$349.14 · 15 payments

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

Other otolaryngologists in Bel Air

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