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Lisa F. Derken, MD

NPI 1336137207ActiveIndividual· Family Medicine· Barrington, IL

Family Medicine (MD) in Barrington, Illinois, trained at Rush Medical College of Rush University (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $394,774 for 5,236 claims, against $101,372 paid for services in 2024. Novo Nordisk Inc reported $121.77 in payments in 2024, mostly food and beverage.

Overview

NPI1336137207
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedOct 13, 2005
Last updated in NPPESMar 26, 2025
Certified by providerMar 26, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000X036095963IL

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 - Family Practice (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients363
Services billed1,691 across 43 procedure codes
Paid by Medicare$101,372

Part D prescriptions in 2024

Prescriptions (claims)5,236 · 12,355 30-day fills
Patients525
Total drug cost$394,774
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Medical schoolRush Medical College of Rush University
Graduation year1995
Medicare specialtyFamily Practice
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$121.77 · 2 payments from 1 company

Top paying companies in 2024

CompanyAmountPayments
Novo Nordisk Inc$121.772

What the 2024 payments were for

  • Food and Beverage$121.77 · 2 payments

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

Other Family Medicine providers in Barrington

All Family Medicine providers in Illinois →