'%20d='m0%200%2016%2011h61%2061%2061%2061%2060L47%2037h61%2061%2060%2061L16%2063h61%2061%2061%2061%2060L47%2089h61%2061%2060%2061L16%20115h61%2061%2061%2061%2060L47%20141h61%2061%2060%2061L16%20166h61%2061%2061%2061%2060L47%20192h61%2061%2060%2061L16%20218h61%2061%2061%2061%2060z'/%3e%3c/svg%3e)
Leading Specialists in United States
Reproductive specialists in United States
Jacqueline Carla Yano Maher, MD, FACOG
Doctor of Medicine
Jacqueline Maher, MD, FACOG joins HRC Fertility's Pasadena team in October 2026. Johns Hopkins fellowship trained, previously a staff clinician at the NIH's child-health institute and an attending at Children's National Hospital, she works in oncofertility, egg and embryo banking, diminished ovarian reserve and reproductive care for adolescents.
United States 
Jacquelyn Shaw, MD
Assistant Professor, Department of Obstetrics and Gynecology, NYU Langone Health
Dr. Jacquelyn Shaw is a reproductive endocrinologist at NYU Langone Fertility Center, joining the team in 2022. She completed her OB-GYN residency (as Chief Administrative Resident) and REI fellowship at NYU Langone Health, earning her MD from Albert Einstein College of Medicine. Her expertise covers female and male infertility, fertility preservation including egg freezing, recurrent miscarriage, PCOS, IVF, PGT, LGBTQ+ family building, and advanced hysteroscopic and minimally invasive robotic surgery.
United States 
Jaime Knopman, MD
Reproductive Endocrinologist and Infertility Specialist
Dr. Jaime Knopman is a board-certified reproductive endocrinologist at CCRM Fertility of New York and National Director of Fertility Preservation for the CCRM network, with 13 years of clinical experience. She specializes in fertility preservation, oncofertility, IVF, IUI, gestational surrogacy, and LGBTQIA+ family building, and is the author of Own Your Fertility.
United States 
James Graham, M.S., ELD
Embryology Laboratory Director
James Graham is the embryology laboratory director responsible for the IVF labs at Rockville, Towson and Fairfax, and Shady Grove Fertility's Vice President of Laboratory Operations. He is not a treating clinician: he is certified by the American Board of Bioanalysis and holds a master's degree in reproductive physiology, and he runs the laboratories where eggs are fertilized and embryos are cultured and frozen.
United States 
James A. Grifo, MD, PhD
Program Director, NYU Langone Fertility Center (since 1995)
Dr. James A. Grifo is the Program Director of NYU Langone Fertility Center and a global pioneer in reproductive medicine. In 1992 he performed the first embryo biopsy resulting in a live birth in the United States, pioneering PGD/PGT clinical application. His team developed the NYU Vitrification Method for egg freezing, in use since 2004. A past president of SART, he earned MD and PhD degrees at Case Western Reserve, completed residency at Cornell, and fellowship at Yale.
United States 
James H. Segars, Jr., MD
Director, Division of Reproductive Science and Women's Health Research
Dr. James H. Segars is Director of the Division of Reproductive Science and Women's Health Research and Professor of Gynecology and Obstetrics at Johns Hopkins. A Duke University School of Medicine graduate, he previously led the reproductive endocrinology and infertility research unit at NIH/NICHD and has published more than 160 peer-reviewed papers on endometriosis, uterine fibroids and reproductive endocrine disorders.
United States 
James K. Robinson III, M.D., M.S.
Obstetrician and Gynecologist
Dr. James K. Robinson III is Shady Grove Fertility's Director of Reproductive Surgery. A board-certified OB/GYN fellowship-trained in minimally invasive gynecologic surgery, he ran MIGS divisions at MedStar Washington Hospital Center and George Washington University before moving to Rockville, where he operates on Asherman's syndrome, complex uterine and tubal disease, and performs hysterectomy for transgender men.
United States 
James M. Hotaling, M.D., M.S., FECSM
Urologist
Dr. James Hotaling is a board-certified urologist specializing in male infertility on RMA New Jersey's in-house team in Basking Ridge, and one of the lead physicians of RMA Men's Health. Duke-trained with an MS in epidemiology from the University of Washington, he has published more than 100 peer-reviewed papers, abstracts and books and holds several patents in reproductive medicine.
United States 
James P. Lin
Reproductive Endocrinologist
Dr. James P. Lin founded and directs INCINTA Fertility Center in Torrance and co-founded the International Society of Reproductive Genetics, where he sits on the executive board as treasurer. He ran the reproductive endocrinology division at Harbor-UCLA Medical Center for 14 years and works in English and Chinese.
United States 
James P. Toner Jr., MD, PhD
Medical Doctor
Dr. James Toner is a Professor at Emory University School of Medicine with 35 years of clinical experience in reproductive medicine. Trained at the Jones Institute — where the first US IVF birth occurred — he has published over 200 articles and abstracts, served on ASRM and SART boards, and champions simpler, more affordable IVF.
United States 
Jamie Massie, MD, FACOG
Reproductive Endocrinologist and Infertility Specialist
Dr. Jamie Massie is a double board-certified reproductive endocrinologist at Pacific Northwest Fertility who directs its Center for Excellence in Collaborative Reproduction. She served fourteen years in the United States Air Force, trained at Stanford, and co-founded the fertility app navie as its chief medical officer.
United States 
Jan L. Shifren, MD
Reproductive Endocrinologist
Dr. Jan L. Shifren is the Vincent Trustees Professor of obstetrics, gynecology and reproductive biology at Harvard Medical School and directs Mass General's Midlife Women's Health Center. A past president of the North American Menopause Society, she covers infertility, ovulation induction and IVF alongside menopause management.
United States Showing 313-323 of 612
Ready to start your fertility journey?
Get a personalized plan from our medical advisors