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Active NPI 1396777926 Individual Practitioner Male Practitioner

Dr. Jonathan Sehjin Chun , MD

Surgery • Portland, OR

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Jonathan Chun, MD is a certified Surgery practicing in Portland, OR. With approximately 25 years of clinical experience since graduating from Washington University School Of Medicine in 2001, Dr. Chun delivers high-quality medical care to the local community at 10000 SE MAIN ST STE 316.

Dr. Chun is affiliated with Portland Adventist Medical Center and accepts Medicare assignment.

Frequently performed procedures and clinical services include diagnostic examination of the anus using an endoscope, new patient outpatient office visit, biopsy of large bowel using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

10000 Se Main St Ste 316

Portland, OR 972162470

Telephone 5032561575
Fax 5032539848

Medicare Profile & Education

Medical School

Washington University School Of Medicine

Graduation Year

2001

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Portland, OR

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
25 Yrs +4.1 yrs vs City Avg
City Avg: 20.9 Yrs
State Avg: 23.3 Yrs
Regional Practice Density
177 Specialists

Practicing in Portland, OR (555 Statewide)

Telehealth Adoption Rate
23.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
81.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chun (25 Years) 25 Yrs
Portland Specialty Average (20.9 Years) 20.9 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
46600 Diagnostic examination of the anus using an endoscope
14 13 $386.03 $42.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
11 11 $250.82 $78.72

Medical Specialties & State Licenses

CMS Verified: 2025-02-13
Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License OR MD176699

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery

NUCC Taxonomy Code: 208600000X

State License WI 49366

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery

NUCC Taxonomy Code: 208600000X

State License MD D71895

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Colon & Rectal Surgery

NUCC Taxonomy Code: 208C00000X

State License WA BC61205873

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Surgery

NUCC Taxonomy Code: 208600000X

State License WA BC61205873

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Colon & Rectal Surgery

NUCC Taxonomy Code: 208C00000X

State License KY 43060

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Colon & Rectal Surgery

NUCC Taxonomy Code: 208C00000X

State License MO 2008017345

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Colon & Rectal Surgery

NUCC Taxonomy Code: 208C00000X

State License OR MD176699

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
2059813 (WA)
Medicaid State Provider ID
500705766 (OR)

Hospital & Practice Group Affiliations

Portland Adventist Medical Center

10000 Se Main St, Portland, OR 972162470

Phone: 5032561575

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

14 Associated Practitioners
NPI 1033170832

Doctor of Medicine (M.D.)

NPI 1063473452

Doctor of Medicine (M.D.)

Jill Welshans , NP

Nurse Practitioner - Acute Care

NPI 1073037990

Nurse Practitioner

Dr. Jeffrey Boskind , MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI 1114987682

Doctor of Medicine (M.D.)

NPI 1124423785

Doctor of Osteopathic Medicine (D.O.)

NPI 1548221948

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

19 Historical Events
📍
Updated Practice Location February 13, 2025

Registered at 10000 SE MAIN ST STE 316, PORTLAND, OR 972162470 (Tel: 5032561575)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 13, 2025

Surgery (License #BC61205873 in WA)

📍
Updated Practice Location August 03, 2021

Registered at 505 NE 87TH AVE STE 301, VANCOUVER, WA 986641965 (Tel: 3605147374)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 03, 2021

Surgery (License #D71895 in MD)

📍
Updated Practice Location January 15, 2020

Registered at 10000 SE MAIN ST STE 316, PORTLAND, OR 972162470 (Tel: 5032561575)

📍
Updated Business Mailing Address January 15, 2020

Registered at 10000 SE MAIN ST STE 316, PORTLAND, OR 972162470 (Tel: 5032561575)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 15, 2020

Surgery (License #49366 in WI)

NPI Profile Active April 05, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location April 05, 2017

Registered at 4805 NE GLISAN ST, SUITE 6N60, PORTLAND, OR 972132933 (Tel: 5032810561)

📍
Updated Business Mailing Address April 05, 2017

Registered at 847 NE 19TH AVE, SUITE 300, PORTLAND, OR 972322684 (Tel: 5039632801)

👤
Provider Name / Credentials Updated April 05, 2017

Recorded as JONATHAN CHUN, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 05, 2017

Colon & Rectal Surgery (License #43060 in KY)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 05, 2017

Surgery (License #D71895 in MD)

NPI Profile Active June 28, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location June 28, 2016

Registered at 4805 NE GLISAN ST, SUITE 6N60, PORTLAND, OR 972132933 (Tel: 5032810561)

📍
Updated Business Mailing Address June 28, 2016

Registered at 847 NE 19TH AVE, SUITE 300, PORTLAND, OR 972322684 (Tel: 5039632801)

👤
Provider Name / Credentials Updated June 28, 2016

Recorded as JONATHAN CHUN, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 28, 2016

Surgery (License #D71895 in MD)

🟢
Initial NPI Registration & Enumeration July 06, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1396777926
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 06, 2006
Last Update: February 13, 2025
Sole Proprietor: No

Mailing Address

10000 Se Main St Ste 316

Portland, OR 972162470

Phone: 5032561575

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.