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Haley M. Simpson, MD, PHD

NPI 1144782855ActiveIndividual· Internal Medicine, Hematology & Oncology· Aurora, CO

Internal Medicine, Hematology & Oncology (MD, PHD) in Aurora, Colorado, trained at University of Maryland School of Medicine (class of 2019). Their prescriptions cost Medicare Part D more than their services did: $112,183 for 48 claims, against $7,964 paid for services in 2024. Legend Biotech USA Inc. was the largest of 6 companies reporting payments in 2025, $4,227 in all, mostly consulting fees.

Overview

NPI1144782855
StatusActive
Entity typeIndividual
CredentialMD, PHD
Sole proprietorNo
NPI issuedApr 2, 2019
Last updated in NPPESJul 5, 2024
Certified by providerJul 5, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003XDR.0073509CO

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 (NC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients22
Services billed79 across 3 procedure codes
Paid by Medicare$7,964

Part D prescriptions in 2024

Prescriptions (claims)48 · 52 30-day fills
Patients12
Total drug cost$112,183
Generic share92% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Maryland School of Medicine
Graduation year2019
Medicare specialtyHematology
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$4,227 · 14 payments from 6 companies
  • 2024$20.29 · 1 payment from 1 company

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$3,321 · 2 payments
  • Food and Beverage$905.64 · 12 payments

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

Other hematologist-oncologists in Aurora

All 40 hematologist-oncologists in Aurora · All hematologist-oncologists in Colorado