Evan Ong, M.D.

NPI 1073541959ActiveIndividual· Surgery, Surgical Oncology· Seattle, WA

Surgery, Surgical Oncology (M.D.) in Seattle, Washington, trained at Albert Einstein College of Medicine of Yeshiva University (class of 1999). Mostly services rather than prescriptions: Medicare paid $69,077 for 99 patients in 2024, with only 40 Part D claims. Histosonics, Inc. was the largest of 2 companies reporting payments in 2025, $6,880 in all, mostly consulting fees.

Overview

NPI	1073541959
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jun 29, 2006
Last updated in NPPES	Jun 23, 2021
Certified by provider	Jun 23, 2021

Specialties and licenses

Taxonomy	Code	License	State
Surgery, Surgical Oncology Primary	2086X0206X	60454602	WA

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Surgical Oncology (WA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	99
Services billed	200 across 46 procedure codes
Paid by Medicare	$69,077

Part D prescriptions in 2024

Prescriptions (claims)	40 · 60 30-day fills
Patients	14
Total drug cost	$467.39
Generic share	95% 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	Surgical Oncology
Telehealth	Offers telehealth