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Michael Richard Grunwald, MD

NPI 1356495949ActiveIndividual· Internal Medicine, Hematology· Charlotte, NC

Internal Medicine, Hematology (MD) in Charlotte, North Carolina, trained at Johns Hopkins University School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $3,668,279 for 751 claims, against $18,183 paid for services in 2024. Incyte Corporation was the largest of 10 companies reporting payments in 2025, $63,867 in all, mostly consulting fees.

Overview

NPI1356495949
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJan 22, 2007
Last updated in NPPESJul 15, 2024

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Hematology/Oncology (NC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients70
Services billed244 across 12 procedure codes
Paid by Medicare$18,183

Part D prescriptions in 2024

Prescriptions (claims)751 · 1,136 30-day fills
Patients74
Total drug cost$3,668,279
Generic share56% of claims

Medicare sources and data years

Education and affiliations

Medical schoolJohns Hopkins University School of Medicine
Graduation year2006
Medicare specialtyHematology/Oncology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$63,867 · 74 payments from 10 companies
  • 2024$45,229 · 55 payments from 13 companies

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$54,745 · 13 payments
  • Travel and Lodging$3,889 · 27 payments
  • Honoraria$3,420 · 1 payment
  • Food and Beverage$1,813 · 33 payments

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

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