Karen A. Chojnacki, M.D.

NPI 1083630685ActiveIndividual· Surgery· Philadelphia, PA

Surgery (M.D.) in Philadelphia, Pennsylvania, trained at State University of New York at Buffalo School of Medicine (class of 1995). Mostly services rather than prescriptions: Medicare paid $93,380 for 242 patients in 2024, with only 28 Part D claims. Boston Scientific Corporation reported $129.17 in payments in 2024, mostly food and beverage.

Overview

NPI	1083630685
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jul 15, 2006
Last updated in NPPES	Feb 18, 2014

Specialties and licenses

Taxonomy	Code	License	State
Surgery Primary	208600000X	MD062646L	PA

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 - General Surgery (PA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	242
Services billed	423 across 52 procedure codes
Paid by Medicare	$93,380

Part D prescriptions in 2024

Prescriptions (claims)	28 · 48 30-day fills
Patients	19
Total drug cost	$684.49
Generic share	100% of claims

Medicare sources and data years

Education and affiliations

Medical school	State University of New York at Buffalo School of Medicine
Graduation year	1995
Medicare specialty	General Surgery
Telehealth	Offers telehealth