Dr. Vonny Ngantung, D.D.S, M.S.Dr. Vonny Ngantung, D.D.S, M.S. · Orthodontics and Dentofacial Orthopedics Dentistry12100 SE Stevens Ct, Happy Valley, OR 97086(503) 659-7455Check availability No reviews yetInsurance:Not specifiedBook onlineClaim listing