Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1154437945 Individual Practitioner Male Practitioner

Dr. John Tao-Fan Chen , MD

Internal Medicine • Portland, OR

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Chen, MD is a certified Internal Medicine practicing in Portland, OR. With approximately 40 years of clinical experience since completing medical education in 1986, Dr. Chen delivers high-quality medical care to the local community at 3550 N INTERSTATE AVE.

Dr. Chen is affiliated with Kaiser Foundation Health Plan Of The Northwest and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

3550 N Interstate Ave

Portland, OR 972271196

Telephone 5032859321
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

1986

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Portland, OR

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
40 Yrs +21.2 yrs vs City Avg
City Avg: 18.8 Yrs
State Avg: 24.1 Yrs
Regional Practice Density
907 Specialists

Practicing in Portland, OR (2185 Statewide)

Telehealth Adoption Rate
20.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chen (40 Years) 40 Yrs
Portland Specialty Average (18.8 Years) 18.8 Yrs

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License OR MD17764

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Kaiser Foundation Health Plan Of The Northwest

10180 Se Sunnyside Rd, Clackamas, OR 970158970

Phone: 8008132000

Kaiser Foundation Health Plan Of The Northwest

3500 N Interstate Ave, Portland, OR 972271196

Phone: 8008132000

Kaiser Foundation Health Plan Of The Northwest

3550 N Interstate Ave, Portland, OR 972271196

Phone: 8008132000

Kaiser Foundation Health Plan Of The Northwest

10100 Se Sunnyside Rd, Clackamas, OR 970158970

Phone: 8008132000

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Scott Lucas , MD

Radiology - Diagnostic Radiology

NPI 1043223563

Doctor of Medicine (M.D.)

Theo Harper , MA, LPC

Counselor - Mental Health

NPI 1043327331

Master of Arts, Licensed Professional Counselor

Dr. Thomas Harbison , MD

Internal Medicine

NPI 1073604781

Doctor of Medicine (M.D.)

Nancy Brown , OTR, MA

Occupational Therapist - Pediatrics

NPI 1083728216

Occupational Therapist Registered, Master of Arts

Dr. Ronald Mertens , MD

Psychiatry & Neurology - Neurology

NPI 1104935014

Doctor of Medicine (M.D.)

Dr. Mark Rarick , MD

Internal Medicine - Hematology & Oncology

NPI 1114019825

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 3550 N INTERSTATE AVE, PORTLAND, OR 972271196 (Tel: 5032859321)

📍
Updated Business Mailing Address July 08, 2007

Registered at 14320 NW MCNAMEE RD, PORTLAND, OR 972312152 (Tel: 5036213690)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as JOHN CHEN, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #MD17764 in OR)

🟢
Initial NPI Registration & Enumeration August 22, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1154437945
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 22, 2006
Last Update: July 08, 2007
Sole Proprietor: No

Mailing Address

14320 Nw Mcnamee Rd

Portland, OR 972312152

Phone: 5036213690

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.