Skip to content

Charles Greenberg

NPI 1922181189ActiveIndividual· Internal Medicine, Hematology· Charleston, SC

Internal Medicine, Hematology in Charleston, South Carolina, trained at Hahnemann University College of Medicine (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $609,063 for 400 claims, against $18,800 paid for services in 2024.

Overview

NPI1922181189
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedOct 23, 2006
Last updated in NPPESAug 10, 2015

Specialties and licenses

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 (SC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients158
Services billed203 across 12 procedure codes
Paid by Medicare$18,800

Part D prescriptions in 2024

Prescriptions (claims)400 · 687 30-day fills
Patients100
Total drug cost$609,063
Generic share8% of claims

Medicare sources and data years

Education and affiliations

Medical schoolHahnemann University College of Medicine
Graduation year1976
Medicare specialtyHematology/Oncology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other Internal Medicine, Hematology providers in Charleston

All Internal Medicine, Hematology providers in South Carolina →