Charles Yan, Hu M.D.Attending PhysicianInternal Medicine Hospital Medicine Education: Medical College of WisconsinMain Office:503-413-8407 Legacy Health 24800 S.E. Stark St Gresham, OR 97030 Clinic Intersts:clinical information, hospital medicine(inpatient services).Certifications: Board Certified in Internal Medicine Additional Office: 24800 S.E. Stark St. Gresham, OR 97030