Dr. John Tao-Fan Chen is a Internal Medicine and General Physician in Overlook, PORTLAND and has an experience of 40 years in these fields. Dr. John Tao-Fan Chen practices at Urgent Care | Kaiser Permanente Interstate South in Overlook, PORTLAND,Kaiser Permanente Interstate Medical Office South in Overlook, PORTLAND and Kaiser Permanente Interstate Medical Office East in Overlook, PORTLAND. He completed Medical Degree from University Of North Carolina At Chapel Hill School Of Medicine in 1989. He is a member of NCQA PPC,NCQA PCMH and CMS Stage 1. Some of the services provided by the doctor are: Diabetes with Renal Manifestations,Hypotension (Excluding Maternal),Gastritis Treatment,Chronic Pain and Muscle Weakness etc.