Katherine Kostroun, MD

Reproductive Endocrinologist at Aspire Fertility San Antonio

Dr. Katherine Kostroun is a Board-Certified Obstetrician and Gynecologist and Fellowship-trained Reproductive Endocrinologist at Aspire Fertility in San Antonio, Texas. She brings a deep commitment to patient-centered care, guiding individuals and couples through every step of their fertility journey with compassion and clear communication.

Dr. Kostroun graduated summa cum laude from Texas A&M University with dual degrees in Biomedical Sciences and Psychology. She earned her medical degree from Baylor College of Medicine in Houston, followed by both residency in Obstetrics and Gynecology and fellowship in Reproductive Endocrinology and Infertility at UT Health San Antonio. Throughout her training, she was recognized for her academic excellence, leadership, and advanced skills in minimally invasive surgery.

Her expertise span a broad range of fertility treatments, with special clinical interests in polycystic ovary syndrome (PCOS), diminished ovarian reserve, recurrent pregnancy loss, and natural cycle embryo transfers. Dr. Kostroun’s research contributions include peer-reviewed publications in major scientific journals and numerous presentations at national meetings, including on PCOS.

Dr. Kostroun was raised in a military family near Fort Hood, and she is proud to be staying in Military City USA to take care of the people of San Antonio and South Texas. She believes that the art of medicine lies in combining the latest technological advances with compassionate, individualized care. Patients value her approachable style, thorough explanations, and dedication to helping them make informed decisions at every step.

Languages Spoken: English