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Alexander Coltoff

NPI 1588026736ActiveIndividual· Internal Medicine, Hematology & Oncology· Charleston, SC

Internal Medicine, Hematology & Oncology in Charleston, South Carolina, trained at State University of New York Downstate Medical Center (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $2,454,821 for 549 claims, against $59,200 paid for services in 2024. Sanofi US Services Inc. was the largest of 7 companies reporting payments in 2025, $47,165 in all, mostly speaking and faculty fees.

Overview

NPI1588026736
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedMar 27, 2016
Last updated in NPPESAug 2, 2022
Certified by providerAug 2, 2022

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 - Infectious Disease (SC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients247
Services billed910 across 20 procedure codes
Paid by Medicare$59,200

Part D prescriptions in 2024

Prescriptions (claims)549 · 639 30-day fills
Patients109
Total drug cost$2,454,821
Generic share65% of claims

Medicare sources and data years

Education and affiliations

Medical schoolState University of New York Downstate Medical Center
Graduation year2016
Medicare specialtyInfectious Disease
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$47,165 · 47 payments from 7 companies
  • 2024$2,084 · 5 payments from 4 companies

Top paying companies in 2025

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$22,375 · 13 payments
  • Consulting Fee$11,935 · 2 payments
  • Honoraria$6,108 · 2 payments
  • Travel and Lodging$3,783 · 16 payments
  • Education$2,365 · 4 payments
  • Food and Beverage$598.45 · 10 payments

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

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