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Clara Chan, M.D.

NPI 1952338592ActiveIndividual· Internal Medicine, Hematology & Oncology· Silver Spring, MD

Internal Medicine, Hematology & Oncology (M.D.) in Silver Spring, Maryland, trained at George Washington University School of Medicine (class of 1976). In 2024 Medicare paid $1,183,482 for 138 patients, and Part D covered 97 of their prescriptions, 56% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 11 companies reporting payments in 2025, $2,761 in all, mostly consulting fees.

Overview

NPI1952338592
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 27, 2006
Last updated in NPPESJul 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003XD41828MD

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 - Hematology/Oncology (DC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients138
Services billed49,834 across 27 procedure codes
Paid by Medicare$1,183,482

Part D prescriptions in 2024

Prescriptions (claims)97 · 202 30-day fills
Patients19
Total drug cost$294,035
Generic share56% of claims

Medicare sources and data years

Education and affiliations

Medical schoolGeorge Washington University School of Medicine
Graduation year1976
Medicare specialtyHematology/Oncology
Secondary specialtiesInternal Medicine

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,761 · 27 payments from 11 companies
  • 2024$1,135 · 32 payments from 12 companies

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$2,200 · 1 payment
  • Food and Beverage$561.39 · 26 payments

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

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