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Walther M. Pfeifer, M.D.

NPI 1083787212ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Boston, MA

Pathology, Anatomic Pathology & Clinical Pathology (M.D.) in Boston, Massachusetts, licensed in MA, with an NPI issued in November 2006. Enrolled in Medicare as practitioner - pathology and practitioner - pathology. Werfen USA LLC reported $430.19 in payments in 2025, mostly travel and lodging.

Overview

NPI1083787212
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedNov 16, 2006
Last updated in NPPESSep 17, 2009

Specialties and licenses

TaxonomyCodeLicenseState
Pathology, Anatomic Pathology & Clinical Pathology Primary207ZP0102X228155MA

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 - Pathology (MA); Practitioner - Pathology (ME)

Medicare sources and data years

Education and affiliations

Graduation year1994
Medicare specialtyPathology

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$430.19 · 3 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Werfen USA LLC$430.193

What the 2025 payments were for

  • Travel and Lodging$273.67 · 1 payment
  • Food and Beverage$156.52 · 2 payments

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

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