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Dawn Ellen Hirokawa, M.D., MPH

NPI 1194927764ActiveIndividual· Dermatology· Newark, DE

Dermatology (M.D., MPH) in Newark, Delaware, trained at Jefferson Medical College of Thomas Jefferson University (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $954,678 for 1,225 claims, against $289,781 paid for services in 2024. Janssen Biotech, Inc. was the largest of 19 companies reporting payments in 2025, $2,062 in all, mostly food and beverage.

Overview

NPI1194927764
StatusActive
Entity typeIndividual
CredentialM.D., MPH
Sole proprietorNo
NPI issuedJun 4, 2007
Last updated in NPPESAug 12, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Dermatology Primary207N00000XC1-0009750DE
Internal Medicine207R00000XC7-0003802DE
Dermatology207N00000XMT193355PA

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 - Dermatology (DE)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,386
Services billed6,459 across 75 procedure codes
Paid by Medicare$289,781

Part D prescriptions in 2024

Prescriptions (claims)1,225 · 1,493 30-day fills
Patients457
Total drug cost$954,678
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Medical schoolJefferson Medical College of Thomas Jefferson University
Graduation year2007
Medicare specialtyDermatology

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,062 · 83 payments from 19 companies
  • 2024$1,903 · 104 payments from 19 companies

Top paying companies in 2025

CompanyAmountPayments
Janssen Biotech, Inc.$410.5012
Abbvie Inc.$215.2513
Ucb, Inc.$201.426
Organon LLC$201.084
Novartis Pharmaceuticals Corporation$184.958

What the 2025 payments were for

  • Food and Beverage$1,873 · 81 payments
  • Education$188.99 · 2 payments

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

Other Dermatology providers in Newark

All Dermatology providers in Delaware →