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
Dr. Frederick Larsen, MD, FACOG
Medical Doctor (M.D.)
Frederick Larsen, MD, FACOG holds board certification in both reproductive endocrinology and infertility and obstetrics and gynecology — the dual certification documented for him alone on this team. He ran the assisted reproductive technology program at Walter Reed Army Medical Center, taught in the NIH infertility fellowship program, and moved to the Phoenix area in 2008.
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United States 
Dr. Gayitiri Ramasamy
Senior O&G Registrar
Dr. Gayitiri Ramasamy is a senior registrar in obstetrics and gynaecology with Metro IVF, bringing years of women's health and infertility experience to the RTAC-accredited Klang team and consulting in English, Bahasa Malaysia and Tamil.
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Malaysia 
Guy Ringler MD, FACOG
Reproductive Endocrinologist
Dr. Guy Ringler is a reproductive endocrinologist at Pinnacle Fertility Los Angeles (formerly California Fertility Partners), where he has practiced since moving to the city in 1990 to work with its founding physicians. He is known for surrogacy and third-party reproduction, helping LGBTQ+ individuals build families through egg donation and surrogacy. Patients travel from Europe, Asia, Australia, and Africa for his care.
United States 
Hakan Cakmak, MD
Reproductive Endocrinologist
Hakan Cakmak runs IVF and IUI cycles at UCSF with a research program aimed at two stubborn failures: embryos that do not implant and pregnancies that do not continue. He operates laparoscopically and hysteroscopically on the endometriosis, fibroids and uterine cavity problems behind them, and sees patients in English and Turkish.
United States 
Kanako Hanaoka
Director
Dr. Kanako Hanaoka (MD, PhD) is the founding director of Hanaoka IVF Clinic (Shinagawa) and president of Futaraba Medical Corporation. A JSOG-certified reproductive medicine specialist and supervising physician with over 30 years in obstetrics, gynecology and fertility care, she is known for cycle-by-cycle individualized treatment design.
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Japan 
Masachi Hanaoka
Deputy Director
Dr. Masachi Hanaoka (MD, PhD) is deputy director of Hanaoka IVF Clinic (Shinagawa) and director of Hanaoka Ladies Clinic in Omori. He holds three Japanese board certifications — reproductive medicine, clinical genetics and perinatal (maternal-fetal) medicine — and covers care from fertility treatment through pregnancy management.
Japan 
Nagayoshi Harikane
Physician (Part-Time)
Dr. Nagayoshi Harikane is a part-time obstetrician and gynecologist at Hanaoka IVF Clinic (Shinagawa). A 2012 Nippon Medical School graduate with training at Yurie-kumoi General Hospital and Nippon Medical School Musashikosugi Hospital, she received the Best Presentation Award at the 140th Kanto Joint Congress of Obstetrics and Gynecology.
Japan 
Dr. Ilene Hatch
Reproductive Endocrinology and Infertility Specialist
Dr. Ilene Hatch is a double board-certified reproductive endocrinology and infertility (REI) specialist at Fertility Center of Southern California in Irvine, CA. With over 20 years of clinical experience, she serves as an assistant clinical professor at UC Irvine and brings personal understanding to patient care through her own fertility journey.
United States 
Dr. Heather Cook
Reproductive Endocrinologist
UCLA-trained reproductive endocrinologist at Coastal Fertility Specialists working on embryo assessment, egg donation and recurrent pregnancy loss.
United States 
Heather Huddleston, MD
Reproductive Endocrinologist
Heather Huddleston directs the UCSF PCOS Clinic and its research program — a named leadership role few centers have — and runs studies on recurrent pregnancy loss and uterine factor infertility. Harvard-trained, she diagnoses and treats complex uterine causes of infertility, including Asherman's syndrome, with hysteroscopy.
United States 
Dr. Heidi Hiu-Yee Cheng
Obstetrician and Gynaecologist
Dr. Heidi Cheng is an obstetrician-gynaecologist with The Women's Clinic Group in Hong Kong, certified in Reproductive Medicine by the Hong Kong College of Obstetricians and Gynaecologists, with a focus on egg freezing, pre-conception checkups and genetic carrier screening.
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Hong Kong, China 
Carlos Hernandez-Nieto, MD
Reproductive Endocrinologist
Dr. Hernandez-Nieto is a Reproductive Endocrinology and Infertility specialist and Associate Director of Clinical Research at RMA of New York. Board certified by the Mexican College of Obstetrics and Gynecology, his professional interests include assisted reproduction, fertility preservation, endometriosis, diminished ovarian reserve, preimplantation genetic testing, and reproductive genetics. He is bilingual in English and Spanish.
United States Showing 217-227 of 963
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