Leading Specialists in United States

Clarisa R. Gracia, MD, MSCE

Reproductive Endocrinologist

Clarisa Gracia is the physician named as medical and practice director of Penn Fertility Care on its SART registry record, and chief of Penn's reproductive endocrinology division. An NIH-funded clinical researcher with a master's in clinical epidemiology, she directs fertility preservation for cancer patients and works in Spanish and French as well as English.

United States

Colleen L. Casey

Reproductive Endocrinology & Infertility Specialist

Dr. Colleen Casey is the President of the Center for Reproductive Medicine (CRM) in Minneapolis and a reproductive endocrinology and infertility specialist who has cared for patients at CRM since 2011. A Saint Paul native, she earned her MD from the University of Minnesota Medical School, completed her OB/GYN residency at the University of Michigan, and her REI fellowship at the University of Vermont. She specializes in individualized fertility plans, IVF, LGBTQ+ family building, and complex infertility.

United States

Colleen M. Miller, MD

Colleen M. Miller, MD appears in ProIVF's physician records for Nashville Fertility Center but is not listed on the clinic's current published physician roster. Patients considering care with Dr. Miller should confirm her practice status directly before booking.

United States

Courtney Failor, MD

MD

Courtney Failor, MD, is a reproductive endocrinologist at Aspire Fertility in San Antonio and McAllen. She took both her bachelor's degree and her medical degree at the University of North Carolina at Chapel Hill, finished obstetrics and gynecology residency at UT Health Science Center at San Antonio in 2014, taught there as a clinical instructor on the UT faculty, then completed a reproductive endocrinology and infertility fellowship. She holds board certification in obstetrics and gynecology and in reproductive endocrinology and infertility.

United States

Dan Goldschlag, M.D.

Reproductive Endocrinologist

Dan Goldschlag has practiced at Weill Cornell's CRM since 1999 with a special focus on fertility preservation, including published breakthrough work on retrieving and banking immature eggs from prepubertal girls facing chemotherapy.

United States

Dan I. Lebovic, M.D.

Reproductive Endocrinologist

Dr. Dan Lebovic is a reproductive endocrinologist (REI) at Austin Fertility and Reproductive Medicine/Westlake IVF and one of the IVF physicians at the clinic's in-house laboratory. He previously served on the faculty of the University of Michigan OB/GYN REI Division, where he first collaborated with Dr. Shahryar Kavoussi, and holds a UC Berkeley background with a Master's degree in Endocrinology.

United States

Dan I. Lebovic, MD, MA

Board-Certified Reproductive Endocrinologist

Dr. Dan Lebovic trained in reproductive endocrinology and infertility at UCSF, held tenure at the University of Michigan doing NIH-funded research on endometriosis, then served as REI Division Chief at the University of Wisconsin-Madison, where he became full professor and rebuilt that school's IVF program. He writes for clinicians and sat as an American Board of Obstetrics and Gynecology oral examiner for 14 years.

United States

Dane Johnson, MD

Board-Certified Urologist

Dr. Dane Johnson is the urologist on this fertility team, not a reproductive endocrinologist: board-certified in urologic surgery, treating vasectomy reversal, varicocele, testicular pain, Peyronie's disease and sperm retrieval alongside erectile and ejaculation disorders. Appointments with him run through a separate urology line.

United States

Daniel A. Potter, MD, FACOG

Reproductive Endocrinologist and Infertility Specialist

Daniel A. Potter, MD, FACOG has practiced reproductive endocrinology since 1997 and sees patients at HRC Fertility's Newport Beach and Fullerton offices. Before clinical fertility work he directed a laboratory at the genetics company Natera, and he now chairs the medical advisory board of the American Fertility Association.

United States

Daniel Skora, M.D.

Reproductive Endocrinology & Infertility Specialist

Dr. Daniel Skora is a double board-certified reproductive endocrinologist at Fertility Specialists of Texas, serving as Medical Director of Third-Party and LGBTQ+ Services. He graduated cum laude from Princeton University, was a research fellow at the NIH, and speaks English and Spanish. As a member of the LGBTQ+ community, he became a father through egg donation and surrogacy.

United States

Danny J. Schust

Reproductive Endocrinologist

Duke reproductive endocrinologist in practice since 1995, holder of the Hamblen Distinguished Professorship, with research on early pregnancy and placental biology.

United States

Darcy Broughton, MD, FACOG

Reproductive Endocrinologist and Infertility Specialist

Dr. Darcy Broughton is a double board-certified reproductive endocrinologist at Pacific Northwest Fertility who co-founded its Center for LGBTQ+ Fertility in 2021. She has published one of the few studies of IVF outcomes in transgender and nonbinary patients, and built her own family as a single parent through a PNWF IVF cycle.

United States