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Allison Nichole Osen, MD

NPI 1528597945ActiveIndividual· Psychiatry & Neurology, Neurology· Palos Heights, IL

Psychiatry & Neurology, Neurology (MD) in Palos Heights, Illinois, trained at Indiana Medical College, School of Medicine of Purdue University (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $1,136,664 for 1,173 claims, against $28,025 paid for services in 2024. Tg Therapeutics, Inc. was the largest of 3 companies reporting payments in 2025, $783.56 in all, mostly food and beverage.

Overview

NPI1528597945
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 8, 2017
Last updated in NPPESAug 30, 2023
Certified by providerAug 30, 2023

Specialties and licenses

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 - Neurology (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients170
Services billed300 across 14 procedure codes
Paid by Medicare$28,025

Part D prescriptions in 2024

Prescriptions (claims)1,173 · 1,755 30-day fills
Patients229
Total drug cost$1,136,664
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Medical schoolIndiana Medical College, School of Medicine of Purdue University
Graduation year2017
Medicare specialtyNeurology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$783.56 · 16 payments from 3 companies
  • 2024$3,359 · 115 payments from 28 companies

Top paying companies in 2025

CompanyAmountPayments
Tg Therapeutics, Inc.$542.3913
Emd Serono, Inc.$175.672
Biogen, Inc.$65.501

What the 2025 payments were for

  • Food and Beverage$718.06 · 15 payments
  • Education$65.50 · 1 payment

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

Other Psychiatry & Neurology, Neurology providers in Palos Heights

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