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Jennifer A. Brown, M.D.

NPI 1740347350ActiveIndividual· Internal Medicine, Hematology & Oncology· San Mateo, CA

Internal Medicine, Hematology & Oncology (M.D.) in San Mateo, California, licensed in CA, with an NPI issued in January 2007. Their prescriptions cost Medicare Part D more than their services did: $300,622 for 135 claims, against $19,742 paid for services in 2024. Janssen Biotech, Inc. reported $31.34 in payments in 2025, mostly food and beverage.

Overview

NPI1740347350
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJan 2, 2007
Last updated in NPPESJun 8, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003XA72801CA

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (OR)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients51
Services billed232 across 9 procedure codes
Paid by Medicare$19,742

Part D prescriptions in 2024

Prescriptions (claims)135 · 226 30-day fills
Patients44
Total drug cost$300,622
Generic share79% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$31.34 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Janssen Biotech, Inc.$31.341

What the 2025 payments were for

  • Food and Beverage$31.34 · 1 payment

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

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