Frank Joseph Karpowicz, MD

NPI 1134232556ActiveIndividual· Internal Medicine, Gastroenterology· Bay Shore, NY

Internal Medicine, Gastroenterology (MD) in Bay Shore, New York, trained at State University of New York Downstate Medical Center (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $153,324 for 651 claims, against $55,905 paid for services in 2024. Braintree Laboratories, Inc. reported $35.66 in payments in 2025, mostly food and beverage.

Overview

NPI	1134232556
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Aug 17, 2006
Last updated in NPPES	Feb 16, 2010

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Gastroenterology Primary	207RG0100X	1516611	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 - Gastroenterology (NY)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	210
Services billed	1,315 across 24 procedure codes
Paid by Medicare	$55,905

Part D prescriptions in 2024

Prescriptions (claims)	651 · 1,347 30-day fills
Patients	219
Total drug cost	$153,324
Generic share	96% of claims

Medicare sources and data years

Education and affiliations

Medical school	State University of New York Downstate Medical Center
Graduation year	1981
Medicare specialty	Gastroenterology
Secondary specialties	Internal Medicine