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
Mark Bush, MD, FACOG, FACS
Reproductive Endocrinologist
Conceptions physician who came to Colorado in 2004 and built its day-5 embryo culture and embryo testing programs. Duke REI fellowship; FACOG and FACS.
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United States 
Mark D. Hornstein, MD
Reproductive Endocrinologist
Dr. Mark D. Hornstein runs the reproductive endocrinology division at Brigham and Women's Hospital, holds the Kosasa Family Endowed Chair, and is the physician Brigham uses to explain IVF indications and technique on camera. He treats infertility with IVF protocols and laparoscopic surgery.
United States 
Mark Payson, MD
Medical Director, CCRM Fertility of Northern Virginia
Dr. Mark Payson founded CCRM's Northern Virginia practice with Dr. William Schoolcraft after running the IVF program at Walter Reed Army Medical Center until 2012. He is the medical director of record on the SART report for CCRM Virginia, LLC, with 19 years in practice and published experience across IVF protocols including natural cycle IVF.
United States 
Mark Sauer, M.D., FACOG
Reproductive Endocrinologist
Dr. Mark Sauer chairs the Department of Obstetrics, Gynecology and Reproductive Sciences at Rutgers-Robert Wood Johnson Medical School and joined RMA New Jersey in July 2019 through a collaboration agreement with RWJ. UCLA-trained in reproductive endocrinology, he also holds a master's degree in bioethics from Columbia, and researches third-party reproduction, oncofertility and ethics in reproductive medicine.
United States 
Dr. Mark Surrey
Reproductive Endocrinologist
Dr. Mark Surrey co-founded Southern California Reproductive Center (SCRC) in 2000 and serves as its medical director. A board-certified reproductive endocrinology and infertility (REI) specialist, he is known for managing complex cases including recurrent implantation failure, endometriosis, fibroids, and patients who have repeated IVF failures elsewhere.
United States 
Marli Amin, MD
Reproductive Endocrinologist
Dr. Marli Amin is a double board-certified reproductive endocrinologist at Reproductive Partners Medical Group's Long Beach campus and an Assistant Clinical Professor in obstetrics and gynecology at UC Irvine, where she teaches residents. She trained in residency at UC Irvine and completed her REI fellowship at UCLA.
United States 
Martin Bastuba, MD, FACS
Board-Certified Urologist
Martin Bastuba is a board-certified urologist and Fellow of the American College of Surgeons who directs male fertility services at Gen 5 Fertility Center in San Diego. He founded Male Fertility & Sexual Medicine Specialists more than 25 years ago and is medical director of the Fertility Center of California cryobank.
United States 
Mary Claire Connelly, NP
Nurse Practitioner
Mary Claire Connelly, NP is a Nurse Practitioner at Shady Grove Fertility - Atlanta (Sandy Springs). She earned her BSN and MSN from Emory University School of Nursing. She joined SGF in 2021 as a fertility nurse and advanced to become a nurse practitioner. Having personally experienced PCOS, she is passionate about patient education and advocacy. She previously worked on the high-risk pregnancy floor at Northside Hospital and performs SIS, HSG, endometrial biopsies, and first-trimester ultrasounds.
United States 
Mary Ellen Pavone, MD
Reproductive Endocrinologist
Mary Ellen Pavone, MD works in fertility preservation and oncofertility — egg, embryo and tissue freezing arranged before cancer treatment starts — and studies PCOS. She trained at Boston University, Johns Hopkins and Northwestern, where she completed REI fellowship and a master's in clinical investigation in the same year.
United States 
Mary Hinckley, M.D.
IVF Medical Director, Reproductive Science Center
Mary Hinckley is RSC's IVF Medical Director and the physician named to that role in the practice's SART reporting record. She teaches reproductive medicine at Stanford as an adjunct clinical associate professor, publishes in peer-reviewed journals, and lists PGT, premature ovarian failure, egg freezing, hysteroscopic surgery and embryo donation.
United States 
Mary Morris, MD, PhD
Reproductive Endocrinologist
Dr. Mary Morris came to fertility through neuroscience: an MD-PhD who traded brain research for the pituitary-ovary axis. She directed oncofertility and third-party reproduction at Mass General before joining Boston IVF.
United States 
Masafumi Segawa
MD (Doctor of Medicine)
Obstetrician and gynecologist at Kato Ladies Clinic since 2025, trained through the Juntendo University hospital network and JSOG-certified specialist.
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