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Leading Specialists in United States
Reproductive specialists in United States
Robert Roman, MD
Reproductive Endocrinologist
Dr. Robert Roman is an Assistant Clinical Professor in UCLA's Division of Reproductive Endocrinology and Infertility and a double board-certified reproductive endocrinologist. He focuses on LGBTQ+ family building, reciprocal IVF, third-party reproduction and fertility preservation for transmasculine and gender-diverse patients, and sees patients in English and Spanish.
United States 
Robin H. Fogle, MD, FACOG
Reproductive Endocrinologist
Robin H. Fogle, MD, FACOG joined ACRM in 2007 straight out of her REI fellowship at USC Keck and is listed as the practice's managing partner. She covers IVF, PCOS, premature ovarian failure and reproductive surgery, with research on the embryo implantation window.
United States 
Rodrigo L. Pagani, MD
Assistant Professor of Clinical, Desai Sethi Urology Institute
Rodrigo L. Pagani is Assistant Professor of Clinical in the Desai Sethi Urology Institute at the University of Miami Miller School of Medicine, with dated education records in urology and in male genitourinary reconstructive surgery and prosthetics. Inside the Miller School the institutional home is the urology institute rather than the Division of Reproductive Endocrinology and Infertility, and the official faculty record lists no board certification, biography text or publication count.
United States 
Rogerio Arnaldo Lobo
Reproductive Endocrinologist
Dr. Rogerio Arnaldo Lobo is a professor at Columbia University with more than 40 years in reproductive medicine. He was president of the American Society for Reproductive Medicine in 2010, founded the Journal of the Society for Gynecologic Investigation, and directs the center's reproductive endocrinology fellowship program.
United States 
Rony T. Elias, M.D.
Reproductive Endocrinologist
Rony Elias trained twice — minimally invasive gynecologic surgery, then reproductive endocrinology at Weill Cornell's CRM — and logged over 600 operations in his surgical fellowship year. He handles the operative side of fertility: endometriosis, uterine anomalies and micro-TESE for azoospermia.
United States 
Roy Handelsman, MD, FACOG
Reproductive Endocrinologist
Roy Handelsman is a board-certified reproductive endocrinologist at HRC Fertility Encino and Westlake Village. A UC Santa Barbara computer engineering graduate, he applies a methodical, systems-trained approach to recurrent pregnancy loss genetics, PCOS and PGT-A.
United States 
Russell Hayden, M.D.
Urologist
Russell Hayden is a urologist, not a reproductive endocrinologist, whose board certification as labeled by the practice is in Urology and whose sub-specialty is male infertility and microsurgery. He trained in biomedical engineering at Johns Hopkins and in medicine at Harvard, completed general surgery and urology residencies at Massachusetts General Hospital, took reproductive medicine and microsurgery fellowship training at Weill Cornell Medicine, and joined Shady Grove Fertility's Center for Male Fertility in 2021.
United States 
Ruth Lathi, MD
Division Chief, Reproductive Endocrinology and Infertility
Dr. Ruth Lathi is Division Chief of Reproductive Endocrinology and Infertility (REI) at Stanford Medicine's Department of Obstetrics and Gynecology and Director of the Recurrent Pregnancy Loss Program. She specializes in recurrent pregnancy loss, PGD genetic testing, PCOS, and complex infertility, and is board-certified by the American Board of Obstetrics and Gynecology.
United States 
Ryan Steward, MD
Director of Assisted Reproduction Technologies & Pre-Implantation Genetic Testing, Aspire Fertility
Dr. Ryan Steward is a reproductive endocrinologist who holds Aspire Fertility's network-wide title of Director of Assisted Reproduction Technologies and Pre-Implantation Genetic Testing. He is board-certified in Obstetrics and Gynecology and in Reproductive Endocrinology and Infertility, trained at UTHealth Houston and Duke University, and publishes on IVF outcome predictors, ovarian hyperstimulation syndrome, fibroids and pelvic imaging.
United States 
Sahar M. Stephens, MD
Reproductive Endocrinologist
Sahar M. Stephens, MD is a double board-certified reproductive endocrinologist at Northern California Fertility Medical Center in Sacramento. Trained at Washington University and Colorado Denver, she was Administrative Chief Resident, won an Excellence in Laparoscopy award, and lists laparoscopic, hysteroscopic and robotic-assisted reproductive surgery among her clinical interests.
United States 
Sahar Wertheimer, MD
Reproductive Endocrinologist
Sahar Wertheimer is a double board-certified reproductive endocrinologist at HRC Fertility Beverly Hills. She chairs the Women's Health Committee of the Jewish Orthodox Women's Medical Association, researches placental epigenetics and PCOS, and hosts a women's-health webinar reaching thousands.
United States 
Samantha M. Pfeifer, M.D.
Reproductive Endocrinologist
Samantha Pfeifer led the ASRM Müllerian Anomalies Classification 2021 as its lead author — the system that now defines how uterine malformations are diagnosed worldwide. She brings that surgical specialty to Weill Cornell's CRM alongside IVF, ovulation induction and egg freezing.
United States Showing 517-527 of 612
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