NPI Lens

Jihoon John Choi, MD

NPI 1194285270ActiveIndividual· Internal Medicine, Hematology & Oncology· Olney, MD

Internal Medicine, Hematology & Oncology (MD) in Olney, Maryland, licensed in MD, with an NPI issued in March 2019. Part D covered 100 prescriptions written in 2024, 71% of them generic. Abbvie Inc. was the largest of 7 companies reporting payments in 2025, $864.45 in all, mostly food and beverage.

Overview

NPI1194285270
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMar 23, 2019
Last updated in NPPESJun 4, 2026
Certified by providerJun 4, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003XD0107234MD
Student in an Organized Health Care Education/Training Program390200000X——

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 - Hematology/Oncology (DC)

Part D prescriptions in 2024

Prescriptions (claims)100 · 132 30-day fills
Patients39
Total drug cost$155,230
Generic share71% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$864.45 · 7 payments from 7 companies
  • 2024$412.19 · 4 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$150.001
Pfizer Inc.$125.001
Amgen Inc.$125.001
E.R. Squibb & Sons, L.L.C.$124.391
Janssen Biotech, Inc.$122.431

What the 2025 payments were for

  • Food and Beverage$864.45 · 7 payments

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

Other hematologist-oncologists in Olney

All hematologist-oncologists in Maryland