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Tatyana Simuni, MD

NPI 1093748683ActiveIndividual· Psychiatry & Neurology, Neurology· Chicago, IL

Psychiatry & Neurology, Neurology (MD) in Chicago, Illinois, licensed in IL, with an NPI issued in July 2006. Part D covered 302 prescriptions written in 2024, 87% of them generic. Eli Lilly and Company was the largest of 5 companies reporting payments in 2025, $30,608 in all, mostly consulting fees.

Overview

NPI1093748683
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 8, 2006
Last updated in NPPESJan 26, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Psychiatry & Neurology, Neurology Primary2084N0400X036093314IL

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Neurology (IL)

Part D prescriptions in 2024

Prescriptions (claims)302 · 597 30-day fills
Patients67
Total drug cost$153,297
Generic share87% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$30,608 · 16 payments from 5 companies
  • 2024$15,072 · 12 payments from 7 companies

Top paying companies in 2025

CompanyAmountPayments
Eli Lilly and Company$14,2659
Neurocrine Biosciences, Inc.$6,0372
Ucb Sa$5,1001
F. Hoffmann-La Roche Ag$3,4063
Takeda Pharmaceuticals U.S.A., Inc.$1,8001

What the 2025 payments were for

  • Consulting Fee$29,375 · 8 payments
  • Travel and Lodging$931.27 · 3 payments
  • Food and Beverage$302.42 · 5 payments

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

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