| Adventist Health Glendale 
 | Glendale | 7.35.23 
 | 
| Audiology Associates | Santa Rosa | 7.35.4 | 
| Balance and Hearing Resource Center | Burbank | 7.35.158 | 
| Barton Memorial Hospital | South Lake Tahoe | 7.35.133 | 
| Casa Colina Hospital for Rehabilitative Medicine | Pomona | 7.35.32 | 
| Center for Early Intervention of Deafness | Berkeley | 7.35.98 | 
| Center for Early Intervention of Deafness | Oakland | 7.35.156 | 
| Central Coast Head and Neck Surgeons Inc. | Monterey | 7.35.153 | 
| Central Coast Head and Neck Surgeons Inc. | Salinas | 7.35.100 | 
| Children's Choice for Hearing and Talking, Sacramento (CCHAT) | Rancho Cordova | 7.35.161 | 
| Children's Hospital Los Angeles | Los Angeles | 7.35.33 | 
| Connect Hearing | Santa Rosa | 7.35.53 | 
| Donald Belt Private Practice | Hollister | 7.35.31 | 
| El Centro Regional Medical Center | EL Centro | 7.35.142 | 
| Friedel B. Cunningham and Associates | Tarzana | 7.35.37 | 
| Harbor-UCLA Medical Center | Torrance | 7.35.24 | 
| HEAR Center | Pasadena | 7.35.41 | 
| HearBright | San Jose | 7.35.130 | 
| Hearing Conservation Program | Camarillo | 7.35.92 | 
| Hearing Consultants of California | Lompoc | 7.35.43 | 
| Hearing Consultants of California | Santa Barbara | 7.35.25 | 
| Hearing Resource Center | La Canada | 7.35.91 | 
| Hearing and Speech Center of Northern California | San Francisco | 7.35.60 | 
| Hear Well Center | Long Beach | 7.35.127 | 
| House Children's Hearing Center 
 | Los Angeles 
 | 7.35.174 
 | 
| House Ear Institute CARE Center | Los Angeles | 7.35.84 | 
| John Tracy Clinic 
 | Los Angeles | 7.35.104 | 
| Kaiser Permanente Anaheim Medical Center 
 | Anaheim 
 | 7.35.166 
 | 
| Kaiser Permanente Baldwin Park Medical Center | Los Angeles | 7.35.107 | 
| Kaiser Permanente Downey Medical Center | Downey | 7.35.72 | 
| Kaiser Permanente Fontana Medical Center | San Bernardino | 7.35.135 | 
| Kaiser Permanente Los Angeles Medical Center | Los Angeles | 7.35.45 | 
| Kaiser Permanente Oakland Medical Center | Oakland | 7.35.46 | 
| Kaiser Permanente Panorama City Medical Center | Panorama | 7.35.47 | 
| Kaiser Permanente Redwood City Medical Center | Redwood City | 7.35.27 | 
| Kaiser Permanente Roseville Medical Center | Roseville | 7.35.137 | 
| Kaiser Permanente Santa Clara Medical Center | Santa Clara | 7.35.113 | 
| Kaiser Permanente South Bay Medical Center | Harbor City | 7.35.71 | 
| Kaiser Permanente South Sacramento Medical Center | Sacramento | 7.35.138 | 
| Kaiser Permanente West Los Angeles Medical Center | Los Angeles | 7.35.48 | 
| Kaiser Permanente Woodland Hills Medical Center | Los Angeles | 7.35.117 | 
| Kaiser Permanente Wyndham Medical Center | Sacramento | 7.35.139 | 
| Keck Hospital of USC | Los Angeles | 7.35.146 | 
| LAC+USC Medical Center | Los Angeles | 7.35.50 | 
| Loma Linda University Children's Hospital | Loma Linda | 7.35.73 | 
| Lucile Packard Children's Hospital Stanford | Los Gatos | 7.35.121 | 
| Lucile Packard Children's Hospital Stanford | Palo Alto | 7.35.28 | 
| Mad River Community Hospital | Arcata | 7.35.140 | 
| MarinHealth Medical Center | San Rafael | 7.35.51 | 
| Martin Luther King Jr. Outpatient Center | Los Angeles | 7.35.49 | 
| Mills-Peninsula Medical Center | Burlingame | 7.35.68 | 
| Natividad Medical Center | Salinas | 7.35.95 | 
| Newport-Mesa Audiology Balance & Ear Institute | Newport Beach | 7.35.160 | 
| North Coast Audiology Center | Eureka | 7.35.103 | 
| Orange County Physicians Hearing Services | Mission Viejo | 7.35.119 | 
| Petaluma Valley Hospital | Petaluma | 7.35.144 | 
| Providence Saint Joseph Medical Center | Burbank | 7.35.97 | 
| Providence Speech and Hearing Center | Cerritos | 7.35.170 
 | 
| Providence Speech and Hearing Center | Huntington Beach | 7.35.173 
 | 
| Providence Speech and Hearing Center | Mission Viejo | 7.35.171 
 | 
| Providence Speech and Hearing Center | Newport Beach | 7.35.172 
 | 
| Providence Speech and Hearing Center | Orange | 7.35.169 
 | 
| Rady Children's Hospital San Diego | San Diego | 7.35.78 | 
| Rady Children's Specialists of San Diego at Escondido | Escondido | 7.35.111 | 
| Rady Children's Specialists of San Diego at Murrieta Medical Plaza | Murrieta | 7.35.162 | 
| Rady Children's Specialists of San Diego at Oceanside North Coastal Center | San Diego | 7.35.86 | 
| Redding Hearing Institute | Redding | 7.35.74 | 
| Redwood Audiology | Arcata | 7.35.123 | 
| Riverside University Health System Medical Center | Moreno Valley | 7.35.149 | 
| Riverview Hearing, Speech & Language Center | Garden Grove | 7.35.116 | 
| Riverview Hearing, Speech & Language Center | Long Beach | 7.35.75 | 
| San Francisco Otolaryngology Medical Group | San Francisco | 7.35.126 | 
| San Joaquin General Hospital | French Camp | 7.35.61 | 
| Santa Clara Valley Medical Center | San Jose | 7.35.62 | 
| Scott Hearing Aids and Audiology | San Luis Obispo | 7.35.106 | 
| Sharp Grossmont Hospital | La Mesa | 7.35.141 | 
| Sherman Oaks Ear and Hearing Institute | Los Angeles | 7.35.134 | 
| Sutter Medical Center, Sacramento | Sacramento | 7.35.79 | 
| Sutter North Medical Group | Yuba City | 7.35.129 | 
| Tahoe Family Hearing Clinic 
 | South Lake Tahoe 
 | 7.35.175 
 | 
| UC Davis Medical Center | Sacramento | 7.35.76 & 
            7.35.152 | 
| UC Irvine Head & Neck Specialists | Orange | 7.35.77 | 
| UC Irvine Medical Center | Orange | 7.35.35 | 
| UCLA Mattel Children's Hospital at Ronald Reagan 
 | Los Angeles 
 | 7.35.88 
 | 
| UCLA Ronald Reagan Medical Center Audiology Clinic 
 | Los Angeles 
 | 7.35.164 
 | 
| UCLA Santa Monica Hospital 
 | Santa Monica 
 | 7.35.167 
 | 
| UC San Diego Medical Center - Hillcrest | San Diego | 7.35.65 | 
| UCSF Benioff Children's Hospital Walnut Creek | Walnut Creek | 7.35.151 | 
| UCSF Benioff Children's Hospital Oakland | Oakland | 7.35.34 | 
| UCSF Benioff Children's Hospital San Francisco | San Francisco | 7.35.66 | 
| Valley Audiology 
 | Concord 
 | 7.33.143 
 | 
| Valley Children's Hospital | Madera | 7.35.5 |