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Yu-Hung Patty Peng, MD

NPI 1922298520ActiveIndividual· Internal Medicine· Martinez, CA

Internal Medicine (MD) in Martinez, California, licensed in CA, with an NPI issued in July 2007. Part D covered 3,063 prescriptions written in 2024, 84% of them generic.

Overview

NPI1922298520
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 30, 2007
Last updated in NPPESJun 6, 2018

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XA78650CA
Emergency Medicine207P00000XA78615CA

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 - Internal Medicine (CA)

Part D prescriptions in 2024

Prescriptions (claims)3,063 · 6,011 30-day fills
Patients259
Total drug cost$411,835
Generic share84% of claims

Medicare sources and data years

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other internal medicine physicians in Martinez

All 48 internal medicine physicians in Martinez · All internal medicine physicians in California