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David Joseph Ernst, D.O.

NPI 1639115827ActiveIndividual· Internal Medicine, Hematology & Oncology· Kansas City, MO

Internal Medicine, Hematology & Oncology (D.O.) with University of Kansas Hospital Authority, practicing in Kansas City, Missouri. Their prescriptions cost Medicare Part D more than their services did: $4,680,086 for 2,594 claims, against $103,199 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $41.25 in all, mostly food and beverage. Lists Cameron Regional Medical Center and 4 other hospitals as hospital affiliations.

Overview

NPI1639115827
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorNo
NPI issuedJun 22, 2006
Last updated in NPPESMar 8, 2017

Specialties and licenses

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 - Hematology/Oncology (KS); Practitioner - Hematology/Oncology (MO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients383
Services billed1,729 across 13 procedure codes
Paid by Medicare$103,199

Part D prescriptions in 2024

Prescriptions (claims)2,594 · 3,290 30-day fills
Patients258
Total drug cost$4,680,086
Generic share80% of claims

Medicare sources and data years

Education and affiliations

Graduation year2006
Medicare specialtyHematology/Oncology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$41.25 · 2 payments from 2 companies
  • 2024$360.83 · 9 payments from 5 companies

Top paying companies in 2025

CompanyAmountPayments
Astrazeneca Pharmaceuticals LP$21.051
Glaxosmithkline, LLC.$20.201

What the 2025 payments were for

  • Food and Beverage$41.25 · 2 payments

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

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