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Ian Robert Hantman, MD

NPI 1609061043ActiveIndividual· Internal Medicine, Hematology & Oncology· New Rochelle, NY

Internal Medicine, Hematology & Oncology (MD) in New Rochelle, New York, licensed in NY, with an NPI issued in September 2007. Their prescriptions cost Medicare Part D more than their services did: $702,356 for 432 claims, against $372,242 paid for services in 2024. Incyte Corporation was the largest of 36 companies reporting payments in 2025, $4,236 in all, mostly food and beverage. Lists Montefiore New Rochelle Hospital and 1 other hospital as hospital affiliations.

Overview

NPI1609061043
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedSep 10, 2007
Last updated in NPPESJan 20, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003XNY252650NY

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 (NY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients201
Services billed40,697 across 51 procedure codes
Paid by Medicare$372,242

Part D prescriptions in 2024

Prescriptions (claims)432 · 783 30-day fills
Patients97
Total drug cost$702,356
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Graduation year2003
Medicare specialtyHematology/Oncology
Secondary specialtiesHematology, Internal Medicine
TelehealthOffers telehealth

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$4,236 · 142 payments from 36 companies
  • 2024$5,765 · 185 payments from 37 companies

Top paying companies in 2025

CompanyAmountPayments
Incyte Corporation$1,08712
Pfizer Inc.$277.9913
Astrazeneca Pharmaceuticals LP$245.3311
Lilly USA, LLC$235.739
Abbvie Inc.$207.589

What the 2025 payments were for

  • Food and Beverage$3,376 · 141 payments
  • Consulting Fee$860.00 · 1 payment

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

Other hematologist-oncologists in New Rochelle

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