Johnny, Cai DOAttending PhysicianInternal Medicine Education: Touro University College of Osteopathic MedicineMain Office:503-494-8211 Oregon Health and Science University 3181 SW Sam Jackson Park Rd Portland, OR 97216 Clinic Intersts:anal cancer, cancer, liver cancer, malignant hematology, melanoma, nasopharyngeal cancer.Certifications:Board Certified in Internal Medicine