Jonathan Sehjin Chun, MD

NPI 1396777926ActiveIndividual· Surgery· Portland, OR

Surgery (MD) in Portland, Oregon, trained at Washington University School of Medicine (class of 2001). 45 Medicare patients in 2024, $13,272 paid; nearly all of their 53 Part D prescriptions were generic (92%). Intuitive Surgical, Inc. reported $1,143 in payments in 2025, mostly education.

Overview

NPI	1396777926
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jul 6, 2006
Last updated in NPPES	Feb 13, 2025
Certified by provider	Feb 13, 2025

Specialties and licenses

Taxonomy	Code	License	State
Surgery Primary	208600000X	MD176699	OR
Surgery	208600000X	BC61205873	WA
Surgery	208600000X	49366	WI
Surgery	208600000X	D71895	MD
Colon & Rectal Surgery	208C00000X	BC61205873	WA
Colon & Rectal Surgery	208C00000X	MD176699	OR
Colon & Rectal Surgery	208C00000X	43060	KY
Colon & Rectal Surgery	208C00000X	2008017345	MO

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 4, 2026	No match	—
New York OMIG · Nov 4, 2026	No match	—
Ohio Medicaid · Nov 4, 2026	No match	—
Pennsylvania Medicheck · Nov 4, 2026	No match	—
Washington HCA · Nov 4, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - General Surgery (OR)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	45
Services billed	108 across 30 procedure codes
Paid by Medicare	$13,272

Part D prescriptions in 2024

Prescriptions (claims)	53 · 53 30-day fills
Patients	19
Total drug cost	$1,135
Generic share	92% of claims

Medicare sources and data years

Education and affiliations

Medical school	Washington University School of Medicine
Graduation year	2001
Medicare specialty	General Surgery
Secondary specialties	Colorectal Surgery (Proctology)