Skip to content

Grace K. Suh, M.D.

NPI 1619033065ActiveIndividual· Internal Medicine, Hematology & Oncology· Arlington Heights, IL

Internal Medicine, Hematology & Oncology (M.D.) in Arlington Heights, Illinois, trained at Yale University School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $1,092,780 for 666 claims, against $125,108 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 4 companies reporting payments in 2025, $3,009 in all, mostly consulting fees.

Overview

NPI1619033065
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedDec 29, 2006
Last updated in NPPESMay 14, 2026
Certified by providerMay 14, 2026

Specialties and licenses

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 (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients332
Services billed1,395 across 21 procedure codes
Paid by Medicare$125,108

Part D prescriptions in 2024

Prescriptions (claims)666 · 871 30-day fills
Patients149
Total drug cost$1,092,780
Generic share69% of claims

Medicare sources and data years

Education and affiliations

Medical schoolYale University School of Medicine
Graduation year2003
Medicare specialtyHematology/Oncology
Secondary specialtiesInternal Medicine, Medical Oncology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$3,009 · 4 payments from 4 companies
  • 2024$92.23 · 1 payment from 1 company

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$2,975 · 3 payments
  • Food and Beverage$34.26 · 1 payment

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

Other Internal Medicine, Hematology & Oncology providers in Arlington Heights

All Internal Medicine, Hematology & Oncology providers in Illinois →