Hearing evaluations and hearing aid fitting in Grantville operate from the Sonus Hearing Care clinic at 6367 Alvarado Court, Suite 101, San Diego, 92120, owned and operated by American Hearing Aid Center of the South Bay Inc. The practice holds NPI 1285671149 under an audiologist-hearing aid fitter taxonomy and operates as part of the Sonus Network, a national hearing care franchise that standardizes evaluation protocols and device fitting procedures across its member locations. Services include comprehensive audiometric testing, hearing aid selection and fitting, hearing aid repair, tinnitus evaluation, and custom ear plug fabrication, with a 75-day trial period on all hearing aid purchases. Hearing loss patients who manage age-related conditions compare audiology options with other providers in the area including Abbott Hearing Aid Centers in San Carlos, which carries competing device platforms for side-by-side evaluation. The Sonus clinic carries Phonak hearing technology including the Audeo receiver-in-canal platform, and its audiologists program devices to individual hearing loss profiles using real-ear measurement verification during fitting appointments. The 92120 ZIP serves as a geographic center for the clinic's patient draw, reaching residents in Allied Gardens, Del Cerro, and the Mission Gorge Road commercial corridor that funnels traffic between Grantville and the Mission Trails gateway. Hearing loss often surfaces during routine primary care or urgent care visits, and patients identified through screening at facilities such as Perlman Clinic Mission Gorge in Grantville receive referrals for formal audiometric evaluation. The clinic accepts insurance from multiple carriers and offers CareCredit financing for hearing aid purchases that exceed plan coverage, and same-day maintenance visits accommodate patients whose existing devices require reprogramming or physical repair.