Ear Nose and Throat Doctor Speciality - Ear, Nose and Throat, Head & Neck Surgeries Robert Pettis MD, MSPH, is Board-Certified in Otolaryngology, and specializes in hearing and balance disorders. Dr. Pettis has been in private practice in Laguna Beach, California since 2006; he also lives in Laguna Beach with his wife Diana, a registered Nurse, and their two children. He was motivated to become a physician because of personal hearing loss and has a very deep understanding of the problem and a strong desire to help. Our practice conducts advanced computer simulation that creates challenging listening environments to help Dr. Pettis make real-world adjustments when fine-tuning each patient???s hearing. Our facility serves south Orange County and the north San Diego communities. We provi