Avi Samson Retter, MD

NPI 1205894268ActiveIndividual· Internal Medicine, Hematology & Oncology· Bronx, NY

Internal Medicine, Hematology & Oncology (MD) in Bronx, New York, trained at Albert Einstein College of Medicine of Yeshiva University (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $9,595,124 for 1,954 claims, against $1,094,351 paid for services in 2024. Pfizer Inc. was the largest of 2 companies reporting payments in 2025, $36.90 in all, mostly food and beverage.

Overview

NPI	1205894268
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	May 1, 2006
Last updated in NPPES	Jan 31, 2020
Certified by provider	Jan 31, 2020

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Hematology & Oncology Primary	207RH0003X	235196-1	NY

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Hematology/Oncology (NY)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	418
Services billed	83,470 across 172 procedure codes
Paid by Medicare	$1,094,351

Part D prescriptions in 2024

Prescriptions (claims)	1,954 · 2,489 30-day fills
Patients	262
Total drug cost	$9,595,124
Generic share	32% of claims

Medicare sources and data years

Education and affiliations

Medical school	Albert Einstein College of Medicine of Yeshiva University
Graduation year	1999
Medicare specialty	Hematology/Oncology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth