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Margaret E. Hagan, MD

NPI 1114922887ActiveIndividual· Internal Medicine, Infectious Disease· Wichita, KS

Internal Medicine, Infectious Disease (MD) in Wichita, Kansas, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 1988). 631 Medicare patients in 2024, $430,796 paid; nearly all of their 798 Part D prescriptions were generic (95%). Octapharma USA, Inc. was the largest of 14 companies reporting payments in 2025, $648.05 in all, mostly food and beverage.

Overview

NPI1114922887
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 17, 2005
Last updated in NPPESMar 17, 2026
Certified by providerMar 17, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Infectious Disease Primary207RI0200X0422810KS

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 - Internal Medicine (KS)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients631
Services billed29,207 across 42 procedure codes
Paid by Medicare$430,796

Part D prescriptions in 2024

Prescriptions (claims)798 · 986 30-day fills
Patients199
Total drug cost$101,570
Generic share95% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Kansas School of Med (Kc/Wich/Sal)
Graduation year1988
Medicare specialtyInternal Medicine
Secondary specialtiesInfectious Disease
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$648.05 · 34 payments from 14 companies
  • 2024$1,054 · 59 payments from 16 companies

Top paying companies in 2025

CompanyAmountPayments
Octapharma USA, Inc.$91.584
Hospira, Inc.$91.266
Aimmune Therapeutics, Inc.$74.083
Abbvie Inc.$52.203
Pfizer Inc.$51.212

What the 2025 payments were for

  • Food and Beverage$648.05 · 34 payments

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

Other Internal Medicine, Infectious Disease providers in Wichita

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