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Samuel Wai-Kee Chung Jr., M.D.

NPI 1609057157ActiveIndividual· Internal Medicine, Hematology & Oncology· South Pasadena, CA

Internal Medicine, Hematology & Oncology (M.D.) in South Pasadena, California, trained at Loma Linda University School of Medicine (class of 2003). In 2024 Medicare paid $2,931,954 for 479 patients, and Part D covered 1,025 of their prescriptions, 74% of them generic. Puma Biotechnology, Inc. reported $18.13 in payments in 2025, mostly food and beverage.

Overview

NPI1609057157
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedNov 26, 2007
Last updated in NPPESDec 4, 2020
Certified by providerDec 4, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003XA99757CA

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 - Medical Oncology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients479
Services billed128,386 across 110 procedure codes
Paid by Medicare$2,931,954

Part D prescriptions in 2024

Prescriptions (claims)1,025 · 1,360 30-day fills
Patients156
Total drug cost$3,656,248
Generic share74% of claims

Medicare sources and data years

Education and affiliations

Medical schoolLoma Linda University School of Medicine
Graduation year2003
Medicare specialtyMedical Oncology
Secondary specialtiesHematology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$18.13 · 1 payment from 1 company
  • 2024$117.22 · 6 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Puma Biotechnology, Inc.$18.131

What the 2025 payments were for

  • Food and Beverage$18.13 · 1 payment

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

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