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Charng Fa Chong, M.D.

NPI 1922036052ActiveIndividual· Internal Medicine, Hematology & Oncology· Anaheim, CA

Internal Medicine, Hematology & Oncology (M.D.) in Anaheim, California, licensed in CA, with an NPI issued in June 2006. Their prescriptions cost Medicare Part D more than their services did: $527,222 for 2,733 claims, against $15,407 paid for services in 2024. Pfizer Inc. reported $24.38 in payments in 2025, mostly food and beverage.

Overview

NPI1922036052
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedJun 29, 2006
Last updated in NPPESApr 10, 2008

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003XA36211CA

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 - Internal Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients123
Services billed244 across 9 procedure codes
Paid by Medicare$15,407

Part D prescriptions in 2024

Prescriptions (claims)2,733 · 5,724 30-day fills
Patients241
Total drug cost$527,222
Generic share79% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$24.38 · 1 payment from 1 company
  • 2024$97.14 · 4 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Pfizer Inc.$24.381

What the 2025 payments were for

  • Food and Beverage$24.38 · 1 payment

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

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