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Walter P. Farrell, MD

NPI 1750375663ActiveIndividual· Internal Medicine· Lawrence, KS

Internal Medicine (MD) in Lawrence, Kansas, trained at Tufts University School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $594,950 for 9,919 claims, against $170,832 paid for services in 2024. Novo Nordisk Inc was the largest of 10 companies reporting payments in 2025, $320.70 in all, mostly food and beverage.

Overview

NPI1750375663
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedSep 7, 2005
Last updated in NPPESOct 13, 2023
Certified by providerOct 13, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X26520KS
Internal Medicine207R00000X41096WI

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 - Internal Medicine (KS)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients439
Services billed6,342 across 69 procedure codes
Paid by Medicare$170,832

Part D prescriptions in 2024

Prescriptions (claims)9,919 · 19,505 30-day fills
Patients551
Total drug cost$594,950
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Medical schoolTufts University School of Medicine
Graduation year1989
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$320.70 · 18 payments from 10 companies
  • 2024$254.27 · 15 payments from 8 companies

Top paying companies in 2025

CompanyAmountPayments
Novo Nordisk Inc$82.955
Amgen Inc.$62.384
Lilly USA, LLC$41.272
Eisai Inc.$27.371
Janssen Biotech, Inc.$25.581

What the 2025 payments were for

  • Food and Beverage$320.70 · 18 payments

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

Other Internal Medicine providers in Lawrence

All Internal Medicine providers in Kansas →