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Leading Specialists in United States
Reproductive specialists in United States
Viji Sundaram, MD
Reproductive Endocrinologist
Dr. Viji Sundaram is a UCSF-trained reproductive endocrinologist at FIRM who helped build a Kaiser Permanente IVF center in San Francisco, taught residents there, and works on transgender family building, LGBTQ care and infertility insurance coverage.
United States 
Wayne Lin, MD, MPH
Reproductive Endocrinologist
Dr. Wayne Lin trained in reproductive endocrinology and infertility with an advanced fellowship at Brigham and Women's Hospital, Harvard Medical School, after UCSF residency, and holds a master's in public health alongside his MD. He consults in English, Mandarin and Taiwanese, publishes on uterine anomalies and ovarian aging, and practices through Fertility Centers of Orange County, Reproductive Partners' Irvine network site.
United States 
Wendy Chang, MD
Reproductive Endocrinologist
Dr. Wendy Chang trained in obstetrics and gynecology at Harvard Medical School and its affiliated hospitals, completed a three-year clinical fellowship in reproductive endocrinology and infertility at UCLA, and has practiced at Reproductive Partners Medical Group's Beverly Hills campus. She won a national Outstanding Resident Surgeon award, has been voted a Southern California Super Doctor since 2010, and works in IVF, donor egg, surrogacy and genetic screening.
United States 
William Kutteh
Co-Director, Center for Recurrent Pregnancy Loss
William Kutteh holds an M.D. and a Ph.D. in molecular biology and immunology, is certified in three specialties, and co-directs the Center for Recurrent Pregnancy Loss at Fertility Associates of Memphis. He practiced as Director of IVF at UT Southwestern and then chaired the University of Tennessee division of reproductive endocrinology before joining the practice.
United States 
William Schoolcraft, MD, HCLD
Founder and Chief Medical Officer, CCRM Fertility
Dr. William Schoolcraft founded CCRM in 1987 and remains its Chief Medical Officer 38 years into a career in reproductive endocrinology. His practice is credited with popularizing blastocyst culture and early clinical PGT-A, and with protocols for women who respond poorly to ovarian stimulation. He is not currently accepting new patients.
United States 
Dr. Yolanda R. Smith, MD
Professor, Department of Obstetrics and Gynecology
Dr. Yolanda Smith is a Professor of Obstetrics and Gynecology at the University of Michigan with decades of academic medicine experience, focused on PCOS, menopause management and the cognitive effects of reproductive hormones — and seeing patients in English and Spanish.
United States 
Zachary W. Walker, MD
Reproductive Endocrinologist
Dr. Zachary W. Walker finished his reproductive endocrinology fellowship at Brigham and Women's Hospital in 2024 and practices there on endometriosis, fibroids and PCOS, with robotic surgery and health disparities both listed among his clinical interests — the last one rare enough to notice on a fertility physician's profile.
United States 
Zain A. Al-Safi, MD
Reproductive Endocrinologist
Dr. Zain A. Al-Safi is a board-certified reproductive endocrinologist with UCLA Health's fertility program. He treats infertility, polycystic ovary syndrome, oncofertility and reproductive-surgery cases, and holds certification in both Obstetrics and Gynecology and the Reproductive Endocrinology and Infertility subspecialty.
United States 
Zaraq Khan, M.D.
Reproductive Endocrinologist
Dr. Zaraq Khan pairs a Mayo Clinic REI fellowship with a second fellowship in minimally invasive gynecologic and reproductive surgery completed in Europe, and now co-chairs the Society of Reproductive Surgeons' Practice Committee. ABOG certified in ob/gyn (2014) and REI (2018), he treats infertility, fibroids, adenomyosis and endometriosis with a surgeon's toolkit.
United States 
Zeinab Hazime, MSN, FNP-BC
Family Nurse Practitioner
Zeinab Hazime, MSN, FNP-BC is a board-certified family nurse practitioner at Pinnacle Fertility - Bloomfield Hills, the practice formerly known as IVF Michigan. Nursing training at Henry Ford College, Oakland University and the University of Michigan, plus consultation in Arabic: the clinic lists fluency as a professional qualification of this first-generation Lebanese-American clinician. The stated approach is patient-centered care for people going through fertility treatment.
United States 
Zev Rosenwaks, M.D.
Reproductive Endocrinologist
Zev Rosenwaks has directed Weill Cornell's Center for Reproductive Medicine since 1988, created America's first egg donor program, and led CRM through more than 33,000 births. He takes the hardest cases — repeat IVF failure, diminished ovarian reserve, complex endocrine infertility.
United States 
S. Zev Williams, MD, PhD
Reproductive Endocrinologist
Dr. S. Zev Williams is an MD/PhD physician-scientist who chairs Columbia's division of reproductive endocrinology, trained in molecular embryology at Rockefeller, and developed the STAR sperm-tracking technology.
United States Showing 601-611 of 612
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