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Leading Specialists in United States
Reproductive specialists in United States
Dr. Brett Stark
Reproductive Endocrinologist
UCSF-trained reproductive endocrinologist and Harvard MPH focused on transgender and LGBTQ+ fertility care; practices in San Francisco SOMA and Oakland.
United States 
Dr. Brian Acacio, MD, FACOG
Founder & Medical Director
Dr. Brian Acacio is the founder and medical director of Acacio Fertility Center and a board-certified reproductive endocrinologist (REI) in California. A UCLA clinical associate professor and longtime Chief of Reproductive Endocrinology at Kern Medical Center, he specializes in reproductive immunology — the workup and treatment of repeat implantation failure, recurrent pregnancy loss, and PCOS.
United States 
Dr. Brian Barnett
Reproductive Endocrinology & Infertility Specialist
Dr. Brian Barnett is the Medical Director of Dallas IVF, serving the Frisco and Plano community since 1997 with over 25 years of clinical experience. A Duke University Medical Center fellowship-trained reproductive endocrinologist, he has performed more than 4,000 egg retrievals and 3,500 operative laparoscopies and hysteroscopies, and has been named among Newsweek's Best Fertility Clinics.
United States 
Dr. Brooke Friedman
Reproductive Endocrinologist
Dr. Brooke Friedman is a double board-certified reproductive endocrinologist at San Diego Fertility Center who works on stimulation protocol design, embryo transfer technique and diminished ovarian reserve. She trained at Stanford after Princeton and UCSF, and has been named San Diego Magazine's Top Fertility Doctor nine times.
United States 
Dr. Bryn Willson
Reproductive Endocrinologist
Dr. Bryn Willson is a reproductive endocrinologist at San Diego Fertility Center who trained at UC Davis and Cedars-Sinai and works on fertility preservation and the effect of environmental exposures on reproductive outcomes. She has been through fertility preservation herself, and publishes in Fertility and Sterility and Reproductive Toxicology.
United States 
Dr. Carol Lynn Curchoe, PhD, HCLD (ABB)
Reproductive Physiologist
Dr. Carol Lynn Curchoe is the High Complexity Laboratory Director at POMA Fertility, certified by the American Board of Bioanalysts (ABB) as an HCLD. She earned her PhD in Physiology of Reproduction at the University of Connecticut, is the founder of Fertility Guidance Technologies, and researches artificial intelligence for human IVF.
United States 
Dr. Carrie Riestenberg
Reproductive Endocrinologist
UCLA-trained, double board-certified reproductive endocrinologist at Coastal Fertility Specialists focused on PCOS, endometrial receptivity and PGT-A.
United States 
Dr. Christopher D. Williams, MD
Reproductive Endocrinologist
Dr. Christopher D. Williams founded Virginia Fertility & IVF in October 2006 after co-directing the University of Virginia's IVF program. He is sub-specialty certified in Reproductive Endocrinology and Infertility, a Fellow of ACOG, and an NIH-funded investigator on menstrual cycles in PCOS.
United States 
Christopher W. Lipari
Reproductive Endocrinology & Infertility Specialist
Dr. Christopher W. Lipari is a reproductive endocrinology and infertility specialist at JCRM, with fellowship training from Johns Hopkins University School of Medicine. He holds dual ABOG board certifications and serves as Assistant Professor in the OB/GYN residency program at the University of Florida Health Science Center Jacksonville.
United States 
Dr. Daniel Shapiro
Reproductive Endocrinologist
Dr. Daniel Shapiro is the Medical Director of Reproductive Biology Associates (RBA), which he joined in 1995. He earned his medical degree from Emory University School of Medicine and completed his REI fellowship at the University of Connecticut. He is nationally and internationally known for his work with GnRH antagonists in IVF and has served as clinical manager of RBA's frozen egg bank since 2007.
United States 
Dr. Dara Havemann
Reproductive Endocrinology & Infertility Specialist
Dr. Dara Havemann is a reproductive endocrinology and infertility specialist at Dallas IVF who joined in 2012. Diagnosed with PCOS-related infertility herself, she welcomed twins through IVF and a second son through frozen embryo transfer. She completed REI fellowship training at UTMB Galveston and holds a Master of Medical Science in reproductive endocrinology research.
United States 
David I. Hoffman, M.D.
Reproductive Endocrinologist
David I. Hoffman, M.D. is a board-certified Reproductive Endocrinologist at IVF Florida (Margate) with more than 40 years of experience. He joined the practice in 1989 after serving as Director of the IVF Program at Northwestern Memorial Hospital. A past president of the Society of Assisted Reproductive Technologists with 65+ publications, he specializes in IVF, embryo transfer, recurrent miscarriage, and endometriosis, and is a 2026 Castle Connolly Top Doctor.
United States Showing 133-143 of 612
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