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Leading Specialists in United States
Reproductive specialists in United States
Katherine McKnight, MD
Reproductive Endocrinologist
Dr. Katherine McKnight has practiced reproductive endocrinology at CCRM Fertility of Houston since 2012 and is listed by the practice as its practice director. Trained at the University of Alabama at Birmingham, she handles recurrent pregnancy loss, primary ovarian insufficiency, PCOS and hysteroscopic surgery, and holds clinic at the Main Center and Texas Medical Center.
United States 
Katherine VanHise, MD
Reproductive Endocrinologist
Katherine VanHise is a reproductive endocrinologist at HRC Fertility Beverly Hills working at the intersection of the immune system and fertility. She focuses on reproductive immunology, PCOS, and racial disparities in fertility care.
United States 
Kathleen E. O'Neill, MD, MTR
Reproductive Endocrinologist
Kathleen O'Neill is co-principal investigator of the UNTIL uterus transplant trial, one of the first US studies offering a transplanted uterus to patients with no functioning one, and a founding member of the national uterus transplant group. She is an assistant professor at Penn, NIH-funded in oncofertility and uterus transplant research, and sees patients in English and Spanish.
United States 
Kathleen M. Brennan, MD
Reproductive Endocrinologist
Dr. Kathleen M. Brennan is a reproductive endocrinologist trained end to end at UCLA and board-certified in Obstetrics and Gynecology and in Reproductive Endocrinology and Infertility. Her focus areas include endometriosis, congenital uterine anomalies, PCOS and recurrent pregnancy loss.
United States 
Kathryn C. Calhoun, MD, FACOG
Reproductive Endocrinologist
Kathryn C. Calhoun, MD, FACOG trained at UNC and Penn before joining ACRM in 2012. She covers IVF, recurrent pregnancy loss, male factor infertility, ovarian aging and reproductive surgery, and is listed as a managing partner of the practice.
United States 
Kathryn C. Humm, M.D.
Reproductive Endocrinologist
Dr. Kathryn C. Humm has published on how race and ethnicity affect IVF outcomes, on preimplantation genetic testing and on IVF results generally. She spent seven years treating patients and teaching residents at George Washington University before joining Shady Grove Fertility, and sees patients in Rockville, Maryland and at the Sibley campus in Washington, D.C.
United States 
Katie Donnelly, CNP
Adult-Gerontology Acute Care Nurse Practitioner
Katie Donnelly, CNP is an adult-gerontology acute care nurse practitioner with seven years in reproductive endocrinology and fertility care at Cleveland Clinic Fertility Center in Ohio, working at both the Beachwood Family Health and Surgery Center and the Richard E. Jacobs Health Center in Avon. She holds a master's degree from Kent State University and is an active member of the American Society for Reproductive Medicine.
United States 
Katie E. Cameron, MD, MBE
Assistant Professor of Gynecology and Obstetrics
Dr. Katie E. Cameron is an Assistant Professor of Gynecology and Obstetrics at Johns Hopkins and a reproductive endocrinology specialist. A graduate of the University of Pennsylvania School of Medicine with a Master of Bioethics, she specializes in fertility preservation for cancer survivors, recurrent pregnancy loss and PCOS, and serves on the ASRM Ethics Committee.
United States 
Kay Waud, MD, PhD, FACOG
Reproductive Endocrinologist
Kay Waud is a double board-certified reproductive endocrinologist who earned a PhD in structural engineering before medicine. At HRC Fertility San Francisco she focuses on fertility preservation, recurrent pregnancy loss, and diminished ovarian reserve.
United States 
Kelly S. Acharya
Reproductive Endocrinologist
Dr. Kelly S. Acharya directs the Duke Fertility Preservation Program at Duke Fertility Center and holds NIH funding from 2023 to 2028 in polycystic ovary syndrome research, with American Cancer Society support for 2025-2026. She treats PCOS, recurrent pregnancy loss, and patients seeking egg, embryo or sperm freezing.
United States 
Kelly Soares, PA-C
Physician Assistant (PA-C)
Kelly Soares, PA-C is a physician assistant — not a physician — on the Pinnacle Fertility Arizona team. The network's site calls her its most experienced PA in Arizona, credits her with building Pinnacle's PA training program, and names her lead clinician for training and supervising newly hired PAs nationwide. She brings nearly a decade as a PA and close to 20 years as a diagnostic medical sonographer.
United States 
Kenan R. Omurtag, MD
Board-Certified Reproductive Endocrinologist
Dr. Kenan Omurtag signs the Washington University Fertility and Reproductive Medicine Center's SART clinic report as its medical director — the physician who stands behind the 1,025 cycles and the age-band live birth rates published for 2023. He also co-directs the center's Integrated Care & Fertility Preservation Program, which covers tissue freezing for children facing cancer treatment.
United States Showing 361-371 of 612
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