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Donna Defreitas, M.D.

NPI 1457331498ActiveIndividual· Internal Medicine, Infectious Disease· San Francisco, CA

Internal Medicine, Infectious Disease (M.D.) in San Francisco, California, trained at University of Virginia School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $320,442 for 260 claims, against $115,902 paid for services in 2024. Viiv Healthcare Company was the largest of 9 companies reporting payments in 2025, $552.24 in all, mostly food and beverage.

Overview

NPI1457331498
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJan 17, 2006
Last updated in NPPESNov 5, 2019

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Infectious Disease Primary207RI0200XA79667CA

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 - Infectious Disease (CA); Practitioner - Infectious Disease (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients384
Services billed3,875 across 27 procedure codes
Paid by Medicare$115,902

Part D prescriptions in 2024

Prescriptions (claims)260 · 335 30-day fills
Patients64
Total drug cost$320,442
Generic share72% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Virginia School of Medicine
Graduation year1998
Medicare specialtyInfectious Disease

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$552.24 · 25 payments from 9 companies
  • 2024$587.44 · 26 payments from 11 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$552.24 · 25 payments

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

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