Marc Tack, DO

NPI 1376582015ActiveIndividual· Internal Medicine, Infectious Disease· Kingston, NY

Internal Medicine, Infectious Disease (DO) in Kingston, New York, trained at New York College of Osteo Medicine of New York Institute of Technology (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $1,712,940 for 1,830 claims, against $347,941 paid for services in 2024. Gilead Sciences, Inc. was the largest of 25 companies reporting payments in 2025, $1,514 in all, mostly food and beverage.

Overview

NPI	1376582015
Status	Active
Entity type	Individual
Credential	DO
Sole proprietor	No
NPI issued	Jun 6, 2006
Last updated in NPPES	Jul 8, 2024
Certified by provider	Jul 8, 2024

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Infectious Disease Primary	207RI0200X	191978	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 - Infectious Disease (NY)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	620
Services billed	80,316 across 51 procedure codes
Paid by Medicare	$347,941

Part D prescriptions in 2024

Prescriptions (claims)	1,830 · 2,860 30-day fills
Patients	235
Total drug cost	$1,712,940
Generic share	65% of claims

Medicare sources and data years

Education and affiliations

Medical school	New York College of Osteo Medicine of New York Institute of Technology
Graduation year	1990
Medicare specialty	Infectious Disease
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth