Karen S. Woo, D.O., FACOS, FACS

NPI 1295941144ActiveIndividual· Surgery· Mount Vernon, WA

Surgery (D.O., FACOS, FACS) in Mount Vernon, Washington, trained at New York College of Osteo Medicine of New York Institute of Technology (class of 2006). 112 Medicare patients in 2024, $51,298 paid; nearly all of their 79 Part D prescriptions were generic (99%). Dilon Technologies, Inc. was the largest of 2 companies reporting payments in 2025, $357.71 in all, mostly food and beverage.

Overview

NPI	1295941144
Status	Active
Entity type	Individual
Credential	D.O., FACOS, FACS
Sole proprietor	Yes
NPI issued	May 15, 2007
Last updated in NPPES	Mar 17, 2025
Certified by provider	Mar 17, 2025

Specialties and licenses

Taxonomy	Code	License	State
Surgery Primary	208600000X	OP 60396655	WA
Surgery	208600000X	262721-1	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 - General Surgery (WA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	112
Services billed	235 across 70 procedure codes
Paid by Medicare	$51,298

Part D prescriptions in 2024

Prescriptions (claims)	79 · 80 30-day fills
Patients	43
Total drug cost	$826.91
Generic share	99% 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	2006
Medicare specialty	General Surgery
Telehealth	Offers telehealth