Leading IVF Doctors & Specialists
Find the right reproductive specialist
Leading IVF Doctors & Specialists · Inclusion criteria: listed specialists practice at credential-verified, accredited fertility centers. Education, board certification (e.g., ABOG, reproductive endocrinology & infertility fellowship) and years of experience are verified against official hospital records and public licensure registries; patient reviews are manually verified before publication. How we verify doctors
Rebecca Chilvers, M.D.
Reproductive Endocrinology & Infertility Specialist
Dr. Rebecca Chilvers is a double board-certified fertility specialist at Fertility Specialists of Texas, based in Frisco. She earned her undergraduate degree at Baylor University and her medical degree at LSU Health Sciences Center, and specializes in IVF, preimplantation genetic testing and fertility preservation through egg freezing. Castle Connolly Top Doctor 2014-2026.
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United States 
Rebecca Coman, PA-C, MMS
Physician Assistant
Rebecca Coman, PA-C, MMS is a Physician Assistant at Shady Grove Fertility - Atlanta. She earned her BS in Biology from Wake Forest University and a Master of Medical Science from Arcadia University. Having been an infertility patient herself, she brings deep empathy to her work. She joined SGF in 2021, providing fertility treatment counseling, monitoring and baseline ultrasounds, endometrial biopsies, and mock embryo transfers.
United States 
Reshef Tal, MD, PhD
Reproductive Endocrinologist
Reshef Tal holds an MD and a PhD and works on the uterine side of implantation failure: roughly 40% of good-quality, chromosomally normal embryos never attach, and his lab studies endometrial inflammation and bone marrow-derived stem cells as part of the explanation. He treats recurrent implantation failure and PCOS at Yale Medicine Fertility Center and consults in English and Hebrew.
United States 
Richard J. Paulson, MD, FACOG
Reproductive Endocrinologist
Richard Paulson is a pioneer of assisted reproduction in the United States. Director of USC Fertility since 1986 and USC's REI division chief, he helped deliver the first US birth from a frozen embryo, pioneered low-stimulation and natural-cycle IVF and egg donation for older women, and leads the field's journals.
United States 
Ricky Huang
Deputy Laboratory Director
Ricky Huang is Deputy Laboratory Director at NUWA Lab in Taipei, a senior embryologist whose three earlier posts ran across a medical-center branch and two clinic fertility labs, with a biotechnology and animal science degree behind the gamete work.
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Taiwan, China 
Dr. Rifaat D. Salem
Medical Director & Chairman
Dr. Rifaat D. Salem is Medical Director & Chairman of Pacific Reproductive Center. A graduate of USC Medical School with a PhD in Neuroendocrinology from UCLA, he held two NIH fellowships and performed breakthrough research on steroid hormone mechanisms. His clinical training in infertility and microsurgery spans Stanford, the University of British Columbia and the Microsurgical Institute of San Francisco, and he co-founded Pacific Fertility Center Torrance, serving as medical director for six years. He is a member of ACOG and ASRM.
United States 
Rika Hayashi
Reproductive Medicine Specialist
Dr. Rika Hayashi is a reproductive medicine physician at Sugiyama Ob-Gyn Clinic Shinjuku with over 10 years of experience. One of few fertility doctors also board certified in clinical genetics and diagnostic ultrasound, she covers ovulation induction, recurrent implantation failure, genetic counseling, PGT-A and low AMH.
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Japan 
Rikikazu Sugiyama
Chairman of the Sugiyama Clinic Group
Dr. Rikikazu Sugiyama founded the Sugiyama Clinic Group's reproductive medicine division in 2000 and has 31 years of clinical experience in IVF. As group chairman he established the Setagaya, Marunouchi and Shinjuku clinics and leads the center's programs in recurrent implantation failure, ovulation induction and PGT-A.
Japan 
Dr. Riko Konno
Doctor of Medicine
Dr. Riko Konno is an adjunct physician at Kato Ladies Clinic in Shinjuku, Tokyo, and a member of its minimal-stimulation and natural-cycle IVF team. She graduated from the University of the Ryukyus School of Medicine in 2019, trained at Aokei Central General Hospital and the Japanese Red Cross Medical Center, and joined KLC in 2024.
Japan 
Rita Sneeringer, MD
Reproductive Endocrinologist
Dr. Rita Sneeringer trained and built her entire career inside Boston IVF, from REI fellowship to Harvard clinical instructor. Her specialty is the endocrine side of infertility: PCOS, amenorrhea, premature ovarian failure and fibroids.
United States 
Riwa Sabbagh, MD
Reproductive Endocrinologist
Dr. Riwa Sabbagh spent two years in Mass General's reproductive genetics lab hunting hypogonadism genes before becoming an IVF physician. At Boston IVF's Concord center she researches embryo quality and thin uterine linings, and consults in four languages.
United States 
Robert Boostanfar, MD, FACOG
Reproductive Endocrinologist
Robert Boostanfar is a board-certified reproductive endocrinologist at HRC Fertility Encino, Westlake Village and Beverly Hills. He was principal investigator of the largest randomized controlled trial of IVF ever published, and a familiar face through national television appearances.
United States Showing 793-803 of 963
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