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Birendra S. Kumar, MD

NPI 1063491066ActiveIndividual· Internal Medicine, Hematology & Oncology· Mankato, MN

Internal Medicine, Hematology & Oncology (MD) with Fairview Express Care and 1 other group, practicing in Mankato, Minnesota. Their prescriptions cost Medicare Part D more than their services did: $6,647,220 for 1,775 claims, against $72,468 paid for services in 2024. Karyopharm Therapeutics Inc. was the largest of 2 companies reporting payments in 2025, $2,138 in all, mostly travel and lodging. Lists M Health Fairview Ridges Hospital and 3 other hospitals as hospital affiliations.

Overview

NPI1063491066
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJan 10, 2006
Last updated in NPPESSep 9, 2016

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 - Hematology/Oncology (MN)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients330
Services billed1,006 across 21 procedure codes
Paid by Medicare$72,468

Part D prescriptions in 2024

Prescriptions (claims)1,775 · 2,549 30-day fills
Patients259
Total drug cost$6,647,220
Generic share70% of claims

Medicare sources and data years

Education and affiliations

Graduation year1991
Medicare specialtyHematology/Oncology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,138 · 5 payments from 2 companies
  • 2024$1,222 · 3 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Karyopharm Therapeutics Inc.$2,1124
Pfizer Inc.$26.001

What the 2025 payments were for

  • Travel and Lodging$2,077 · 3 payments
  • Food and Beverage$35.00 · 1 payment
  • Education$26.00 · 1 payment

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

Other Internal Medicine, Hematology & Oncology providers in Mankato

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