Pictured Left to Right:
Carolina Hernandez, HAD, AA (Hearing Aid Dispenser / Audiology Aide);
Dr. Angelica O’Boyle, AuD, CCC-A (Dispensing Audiologist / Clinical Director);
Christine Aranda, AA (Audiology Aide / Medical Assistant)

Gregory Frazer, PhD, AuD, CCC-A, ABA

President, Audiologist, NBC-HIS Director of Audiology 2004-Present

Dr. Gregory Frazer entered private practice Audiology and Hearing Aid Dispensing in 1982. For 14 years he owned and operated Hearing Care Associates, which had 23 offices and was one of the largest audiology private practices in the U.S. Dr. Frazer is a well-known clinician and teacher, and was the first audiologist to obtain dual doctorates in Audiology, both a PhD. in Audiology as well as the new Clinical Doctorate of Audiology, the AuD. He was a UCLA Clinical Instructor and Chief of Audiology in the Department of Head & Neck Surgery at Olive View Medical Center 1984-1986, University of Florida AuD Audiology Instructor 1999-2010, AT Still University Adjunct Professor in Audiology 2001, UC San Diego/San Diego State University Adjunct Professor in Audiology 2008-Present, and Clinical Adjunct Faculty at University of Texas in Dallas 2011-present. He is Board Certified by the American Speech-Language-Hearing Association, American Academy of Audiology, and the National Certification in Hearing Instrument Sciences. Dr. Frazer specializes in the evaluation and treatment of vertigo, dizziness and hearing and balance disorders. Dr. Frazer is experienced in working with infants, children, and adults. He is semi-fluent in Spanish and Sign Language.

Carissa Bennett-Frazer, AuD, CCC-A

Director of Operations, Audiologist

Dr. Carissa Bennett graduated with honors from UC Santa Barbara in Speech and Hearing Science in 1978, obtained a Masters in Audiology from the University of Washington in 1981, and an AuD in Audiology from the Arizona School of Health Sciences in 2003. She was an Audiologist at the House Ear Clinic in Los Angeles from 1981-1986, with an emphasis on medical-legal audiology with Aram Glorig, MD, and conducted hearing aid research with James Sheehy, MD. She entered private practice in1986 with Dr. Gregory Frazer and co-owned and operated Hearing Care Associates. Dr. Bennett is experienced in working with infants, children, and adults, and specializes in diagnostic audiological evaluations. Dr. Bennett is Board Certified by the American Speech-Language Hearing Association. Her Hobbies are reading, music, and international cuisine.

Angelica O’Boyle, AuD, CCC-A

Clinical Director, Audiologist

Dr. Angelica O’Boyle graduated with honors from Marywood University in Communication Sciences and Disorders, with a concentration in Deaf Studies, in 2005. In 2009, she graduated summa cum laude from the Osborne College of Audiology at Salus University in Elkins Park, Pennsylvania with her Doctorate in Audiology. After graduating, she was a clinician at Princeton Eye & Ear, where she also managed the audiology department. She was additionally responsible for managing University Medical Center of Princeton’s Audiology Department. She coordinated their newborn hearing screening follow-up program and played a key role in developing the hospital’s “Dizzy Program”. Dr. O’Boyle is also Board Certified by the American Speech-Language Hearing Association. She specializes in the evaluation and treatment of hearing, balance, and tinnitus disorders as well as advanced treatment options including hearing device technologies. She has experience working with patients of all ages but specializes in older children to geriatrics. Aside from audiology, she enjoys spending time with her dogs, photography, mountain biking, and dabbling on the piano.

Carolina Hernandez holds her Hearing Aid Dispensing license in California, in addition to her certification as an Audiology Aide. She additionally holds her Bachelor’s Degree in Family Counseling from Arizona State University. Carolina has worked along side some of the best audiologists in Los Angeles and Ventura counties for the past 6 years. She has had extensive experience with diagnosing and treating hearing loss and assisting patients with their hearing aid needs. Carolina is also fluent is spanish.