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Alexander Pearson

NPI 1134448665ActiveIndividual· Internal Medicine, Medical Oncology· Chicago, IL

Internal Medicine, Medical Oncology in Chicago, Illinois, trained at University of Rochester School of Medicine and Dentistry (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $191,604 for 71 claims, against $22,577 paid for services in 2024. Daiichi Sankyo Inc. reported $11,344 in payments in 2025, mostly consulting fees.

Overview

NPI1134448665
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedMay 24, 2010
Last updated in NPPESOct 24, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Medical Oncology Primary207RX0202X036143870IL

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 (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients90
Services billed297 across 14 procedure codes
Paid by Medicare$22,577

Part D prescriptions in 2024

Prescriptions (claims)71 · 121 30-day fills
Patients26
Total drug cost$191,604
Generic share80% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Rochester School of Medicine and Dentistry
Graduation year2010
Medicare specialtyHematology/Oncology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$11,344 · 9 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Daiichi Sankyo Inc.$11,3449

What the 2025 payments were for

  • Consulting Fee$10,631 · 3 payments
  • Travel and Lodging$602.72 · 2 payments
  • Food and Beverage$109.79 · 4 payments

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

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