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Fredrick B. Hagemeister, M.D.

NPI 1073613303ActiveIndividual· Internal Medicine, Medical Oncology· Houston, TX

Internal Medicine, Medical Oncology (M.D.) with Physicians Referral Service, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $279,249 for 54 claims, against $14,041 paid for services in 2024. Chugai Pharmaceutical Co., Ltd. was the largest of 5 companies reporting payments in 2025, $730.06 in all, mostly food and beverage.

Overview

NPI1073613303
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedSep 25, 2006
Last updated in NPPESJun 15, 2012

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Medical Oncology Primary207RX0202XE7105TX

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

Medicare services in 2024

Medicare patients89
Services billed187 across 8 procedure codes
Paid by Medicare$14,041

Part D prescriptions in 2024

Prescriptions (claims)54 · 70 30-day fills
Patients13
Total drug cost$279,249
Generic share63% of claims

Medicare sources and data years

Education and affiliations

Graduation year1972
Medicare specialtyHematology/Oncology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$730.06 · 9 payments from 5 companies
  • 2024$22,917 · 17 payments from 5 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$581.01 · 8 payments
  • Travel and Lodging$149.05 · 1 payment

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

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