| AIRE MEDICAL GROUP, INC. | Organization | BURBANK |
| AIRE MEDICAL OF GLENDALE, INC. | Organization | GLENDALE |
| AKANE INSTITUTE OF ALLERGY, ASTHMA & SLEEP MEDICINE | Organization | SAN DIEGO |
| ALAN E. GORENBERG MD, INC. | Organization | ORANGE |
| ALAN HELLER, M.D. | Individual | SAN JOSE |
| ALEXANDER E LOSCIALPO MD INC | Organization | LOS ALAMITOS |
| ALLERGY & ASTHMA ASSOCIATES OF SOUTHERN CALIF INC | Organization | LAGUNA NIGUEL |
| ALLERGY & ASTHMA CENTER | Organization | RANCHO CUCAMONGA |
| ALLERGY & IMMUNOLOGY MEDICAL GROUP | Organization | VISTA |
| ALLERGY ALL INC | Organization | SAN CLEMENTE |
| ALLERGY AND ASTHMA | Organization | SAN DIEGO |
| ALLERGY AND ASTHMA CENTER MEDICAL GROUP INC | Organization | LOS ANGELES |
| ALLERGY AND ASTHMA CLINIC INCORPORATED | Organization | SAN MATEO |
| ALLERGY ASTHMA CONSULTANTS OF THE INLAND EMPIRE INC | Organization | REDLANDS |
| ALLERGY ASTHMA SINUSITIS MEDICAL CLINIC INC | Organization | NORWALK |
| ALLERGY CONSULTANTS MEDICAL GROUP INC | Organization | CASTRO VALLEY |
| ALLERGY TESTING GROUP OF CALIFORNIA INC | Organization | LA MIRADA |
| ALLERGY, ASTHMA & SINUS CENTERS OF SILICON VALLEY, INC. | Organization | CASTRO VALLEY |
| ALLERGY, SINUS & ASTHMA CONSULTANTS INC. | Organization | UPLAND |
| AMIT I PATEL | Organization | UPLAND |
| AMOL KAMBOJ, M.D. | Individual | BAKERSFIELD |
| ANDREW KANG, PA-C | Individual | LONG BEACH |
| ANGELA SABRY, MD | Individual | FRESNO |
| ANITA CHOY, MD | Individual | PALO ALTO |
| ANLIN XU, M.D. | Individual | SAN JOSE |
| ANN MIGHELL, MD | Individual | ANAHEIM |
| ANNE STAVEREN, MD | Individual | LOS ANGELES |
| ANTHONY N. DEMEO, MD, INC. | Organization | WALNUT CREEK |
| ANTON DOTSON MD INC | Organization | CHICO |
| ANTON DOTSON, MD | Individual | CHICO |
| ARVIND KUMAR, M.D. | Individual | ROSEVILLE |
| ASIF IMAM, MD | Individual | RIVERSIDE |
| BARBARA CONNER-ANDERSEN, M.D. | Individual | BURLINGAME |
| BAZ ALLERGY, ASTHMA & SINUS CENTER | Organization | FREMONT |
| BAZ ALLERGY, ASTHMA & SINUS CENTER | Organization | CLOVIS |
| BAZ ALLERGY, ASTHMA & SINUS CENTER | Organization | CLOVIS |
| BAZ ALLERGY, ASTHMA & SINUS CENTER, INC. | Organization | FRESNO |
| BAZ ALLERGY, ASTHMA & SINUS CENTER, INC. | Organization | CLOVIS |
| BAZ ALLERGY, ASTHMA & SINUS CENTER, INC. | Organization | SELMA |
| BAZ ALLERGY, ASTHMA & SINUS CENTER, INC. | Organization | VISALIA |
| BAZ ALLERGY, ASTHMA & SINUS CENTER, INC. | Organization | OAKHURST |
| BAZ ALLERGY, ASTHMA & SINUS CENTER, INC. | Organization | MADERA |
| BAZ ALLERGY, ASTHMA & SINUS CENTER, INC. | Organization | HANFORD |
| BAZ ALLERGY, ASTHMA & SINUS CENTER, INC. | Organization | FRESNO |
| BAZ ALLERGY, ASTHMA & SINUS CENTER, INC. | Organization | TURLOCK |
| BAZ ALLERGY, ASTHMA & SINUS CENTER, INC. | Organization | CLOVIS |
| BAZ ALLERGY, ASTHMA & SINUS CENTER, INC. | Organization | LOS BANOS |
| BAZ ALLERGY, ASTHMA & SINUS CENTER, INC. | Organization | MODESTO |
| BAZ ALLERGY, ASTHMA & SINUS CENTER, INC. | Organization | FRESNO |
| BAZ ALLERGY, ASTHMA & SINUS CENTER, INC. | Organization | CASTRO VALLEY |
| BAZ ALLERGY, ASTHMA & SINUS CENTER, INC. | Organization | MERCED |
| BAZ ALLERGY, ASTHMA & SINUS CENTER, INC. | Organization | REEDLEY |
| BETTY MILLER-KOLOTKIN, M.D. | Individual | DALY CITY |
| BEVERLY HILLS WELLNESS PHYSICIANS CORP | Organization | LONG BEACH |
| BRADLEY CHIPPS, M.D. | Individual | SACRAMENTO |
| BRUCE FRIEDMAN, MD | Individual | FOUNTAIN VALLEY |
| BRUCE F. FRIEDMAN, M.D., INC. | Organization | FOUNTAIN VALLEY |
| BRUCE GOLDBERG, MD | Individual | LOS ANGELES |
| CANDACE KATZ, M.D. | Individual | PLEASANTON |
| CAPITAL ALLERGY AND RESPIRATORY DISEASE CENTER A MED CORP | Organization | SACRAMENTO |