| HRC Fertility-Pasadena Pasadena, CA | 5,987 | 43% | 20% |
| UCSF Center for Reproductive Health San Francisco, CA | 3,473 | 38% | 24% |
| Reproductive Science Center of the San Francisco Bay Area San Ramon, CA | 3,207 | 53% | 32% |
| Spring Fertility-San Francisco San Francisco, CA | 3,059 | 52% | 27% |
| San Diego Fertility Center San Diego, CA | 2,972 | 61% | 25% |
| Reproductive Partners-Beverly Hills, Redondo Beach & Westminster Redondo Beach, CA | 2,714 | 55% | 29% |
| Reproductive Medicine Associates of Northern California San Francisco, CA | 2,653 | 53% | 21% |
| Southern California Reproductive Center Beverly Hills, CA | 2,578 | 40% | 19% |
| Life IVF Center Irvine, CA | 2,385 | 28% | 16% |
| Pacific Fertility Center San Francisco, CA | 1,792 | 40% | 26% |
| Fertility and Surgical Associates of California Thousand Oaks, CA | 1,579 | 55% | 32% |
| Pacific Fertility Center-Los Angeles Los Angeles, CA | 1,572 | 36% | 15% |
| Northern California Fertility Medical Center Sacramento, CA | 1,570 | 59% | 30% |
| California Fertility Partners Los Angeles, CA | 1,527 | 44% | 19% |
| Kaiser Permanente Center for Reproductive Health-Fremont Fremont, CA | 1,408 | 47% | 21% |
| Spring Fertility-Silicon Valley Sunnyvale, CA | 1,404 | 52% | 24% |
| Spring Fertility-East Bay Oakland, CA | 1,353 | 54% | 26% |
| Stanford Medicine Fertility & Reproductive Health Sunnyvale, CA | 1,344 | 35% | 17% |
| LA/OC Fertility, Inc. Redondo Beach, CA | 1,252 | 22% | 13% |
| CCRM San Francisco, Bay Area Center for Reproductive Medicine, LLC (BACRM) Menlo Park, CA | 1,242 | 46% | 31% |
| California Center for Reproductive Health, Reproductive Fertility Center West Hollywood, CA | 1,217 | 40% | 17% |
| Palo Alto Medical Foundation San Jose, CA | 1,121 | 57% | 36% |
| Southern California Center for Reproductive Medicine Newport Beach, CA | 1,080 | 46% | 29% |
| Reproductive Fertility Center, LinFertility Family Foundation Irvine, CA | 1,054 | 54% | 34% |
| Reproductive Partners Fertility Center-San Diego La Jolla, CA | 1,043 | 54% | 32% |
| Kindbody-Los Angeles Santa Monica, CA | 909 | 49% | 29% |
| California IVF Fertility Center Sacramento, CA | 804 | 46% | 30% |
| Western Fertility Institute Encino, CA | 734 | 51% | 26% |
| Los Angeles Reproductive Center (LARC) Encino, CA | 676 | 48% | 17% |
| Fertility Centers of Orange County Irvine, CA | 668 | 49% | 25% |
| Fertility Specialists Medical Group San Diego, CA | 666 | 38% | 11% |
| Kaiser Permanente Center for Reproductive Health-Sacramento Sacramento, CA | 660 | 48% | 29% |
| Hanabusa IVF San Diego, CA | 629 | 0% | 0% |
| UCLA Fertility Center Santa Monica, CA | 594 | 42% | 28% |
| Reproductive Sciences Medical Center San Diego, CA | 592 | 66% | 23% |
| Gen 5 Fertility Center San Diego, CA | 582 | 10% | 4% |
| Newport Fertility Center Newport Beach, CA | 568 | 51% | 23% |
| USC Fertility Pasadena, CA | 535 | 0% | 0% |
| Nova In Vitro Fertilization Mountain View, CA | 533 | 55% | 27% |
| Laurel Fertility Care San Francisco, CA | 520 | 38% | 20% |
| Kaiser Permanente Center for Reproductive Health San Francisco, CA | 508 | 37% | 28% |
| Kindbody-San Francisco San Francisco, CA | 494 | 46% | 35% |
| Zouves Fertility Center Foster City, CA | 484 | 46% | 23% |
| CARE Fertility Glendale, CA | 478 | 36% | 25% |
| Reproductive Medicine Associates of Southern California Los Angeles, CA | 446 | 56% | 36% |
| The Center for Fertility and Gynecology, Vermesh Center for Fertility Tarzana, CA | 440 | 80% | 0% |
| Marin Fertility Center Greenbrae, CA | 422 | 36% | 21% |
| Reproductive Health and Wellness Center Laguna Hills, CA | 406 | 66% | 42% |
| Central California IVF Program, Women's Specialty and Fertility Center Clovis, CA | 397 | 55% | 20% |
| OC Fertility Newport Beach, CA | 387 | 48% | 17% |
| Tree of Life Center for Fertility, California Fertility Clinics Tarzana, CA | 342 | 43% | 23% |
| Fertility Care of Orange County Brea, CA | 334 | 57% | 23% |
| Fertility Center of Southern California Irvine, CA | 334 | 43% | 24% |
| Coastal Fertility Medical Center, Inc. Irvine, CA | 327 | 31% | 16% |
| Santa Monica Fertility Santa Monica, CA | 324 | 0% | 0% |
| Cedars Sinai Medical Center, Center for Fertility and Reproductive Medicine Los Angeles, CA | 308 | 0% | 20% |
| West Coast Fertility Center Fountain Valley, CA | 298 | 0% | 24% |
| Pacific Reproductive Center Torrance, CA | 292 | 61% | 33% |
| CARE for the Bay Area Los Gatos, CA | 285 | 35% | 17% |
| Santa Barbara Fertility Center Santa Barbara, CA | 279 | 42% | 21% |
| University Fertility Center Torrance, CA | 262 | 29% | 33% |
| Kindbody Silicon Valley Los Altos, CA | 261 | 0% | 0% |
| RMA of San Diego dba, Pearl Mini IVF San Diego, CA | 257 | 0% | 10% |
| Alex Steinleitner, MD, Inc. San Luis Obispo, CA | 250 | 44% | 19% |
| Loma Linda University Center for Fertility and IVF Loma Linda, CA | 244 | 31% | 24% |
| Bay IVF Center Palo Alto, CA | 232 | 41% | 24% |
| Lane Fertility Institute Novato, CA | 203 | 0% | 0% |
| LA IVF Clinic Los Angeles, CA | 200 | 0% | 0% |
| Center for Reproductive Health & Gynecology, (CRH&G) Beverly Hills, CA | 197 | 0% | 0% |
| Innovative Fertility Center Manhattan Beach, CA | 186 | 22% | 12% |
| Advanced Fertility Associates Medical Group, Inc. Santa Rosa, CA | 181 | 78% | 0% |
| American Reproductive Centers Palm Springs, CA | 170 | 29% | 29% |
| American Fertility Medical Center Corporation Diamond Bar, CA | 138 | 0% | 0% |
| The Fertility and Gynecology Center, Monterey Bay IVF Monterey, CA | 137 | 30% | 0% |
| Banafsheh Kashani, MD, Inc. Laguna Hills, CA | 133 | 0% | 0% |
| Beverly Hills Fertility Los Angeles, CA | 131 | 0% | 0% |
| Incinta Fertility Center Torrance, CA | 119 | 0% | 0% |
| Labryo Fertility Center Newport Beach, CA | 119 | 0% | 0% |
| Unity Fertility Center, LLC Pasadena, CA | 57 | 0% | 0% |
| Valley Center for Reproductive Health, Inc., West Coast Women's Reproductive Center Sherman Oaks, CA | 49 | 0% | 0% |
| California Dream Fertility Center Irvine, CA | 38 | 0% | 0% |
| Envita Fertility Center Laguna Hills, CA | 19 | 0% | 0% |
| Harvest Fertility Arcadia, CA | 11 | 0% | 0% |
| LifeStart Fertility Center Agoura Hills, CA | 10 | 0% | 0% |
| California Center for Reproductive Medicine Encinitas, CA | — | 0% | 0% |
