Dr. Mark Hockenberry

Russell Hayden, M.D., is a urologist with a sub-specialty in male infertility and microsurgery. It was during his graduate studies in biomedical engineering at Johns Hopkins University where Dr. Hayden’s drive to work in an impactful field of medicine where technology, precision, and creative problem solving align manifested. Dr. Hayden then earned his medical degree from Harvard University. He remained in Massachusetts to pursue his residencies in general surgery and urology from Massachusetts General Hospital in Boston. Dr. Hayden then completed his fellowship in reproductive medicine and microsurgery at Weill Cornell Medicine in New York. Coming from a family of tradesmen, Dr. Hayden takes pride in the levels of problem-solving urology requires, including the intricate and skill-heavy type of microsurgery that requires manipulation of tissue at magnifications as high as 25-fold, often with sutures finer than a human hair. Dr. Hayden is a member of the American Urological Association, the American Society for Reproductive Medicine, the Society for Male Reproduction and Urology, the Society for the Study of Male Reproduction, and the New York Academy of Sciences. He has published papers, written chapters, and presented several topics, including vestibular prostheses, azoospermia, metastatic prostate cancer, and more. Dr. Hayden joined Shady Grove Fertility’s Center for Male Fertility in 2021, and currently sees patients at the Chesterbrook, PA and Towson, MD, offices, as well as additional SGF Pennsylvania locations. Originally trained as an electrical engineer, Dr. Hayden enjoys making small robots and other toys with his two sons in his garage in his spare time as well as spending family time outdoors. Dr. Hayden is rated as a Distinguished provider by MediFind in the treatment of Sertoli Cell-Only Syndrome. His top areas of expertise are Sertoli Cell-Only Syndrome, Infertility, Klinefelter Syndrome, Vasectomy, and Ureteroscopy.

Cigdem (“Cori”) Tanrikut, MD, FACS, graduated summa cum laude from the University of Pennsylvania and earned her medical degree from the Georgetown University School of Medicine. She completed her urologic surgery residency training at Massachusetts General Hospital (MGH)/Harvard Medical School, and then continued on to Weill Cornell Medical College in New York to pursue a fellowship in male infertility and microsurgery. Upon completing her fellowship training, she became the Director of Male Reproductive Medicine at the MGH Fertility Center. While at Harvard, she was an Associate Professor in Surgery at Harvard Medical School. In 2015, she was named the Quality Chair for the MGH Department of Urology, and in 2017, she became the President of the Society for Male Reproduction and Urology. Dr. Tanrikut’s research endeavors include assessing how lifestyle and medications may impact male reproductive health, sperm banking trends, and sperm-related factors to optimize fertility treatment outcomes. Dr. Tanrikut joined SGF in 2017. Dr. Tanrikut is rated as an Advanced provider by MediFind in the treatment of Sertoli Cell-Only Syndrome. Her top areas of expertise are Infertility, Sertoli Cell-Only Syndrome, Varicocele, Vasectomy, and Penectomy.

Kathleen Hwang is an Urologist in Philadelphia, Pennsylvania. Dr. Hwang is rated as an Advanced provider by MediFind in the treatment of Sertoli Cell-Only Syndrome. Her top areas of expertise are Sertoli Cell-Only Syndrome, Spermatogenesis Arrest, Peyronie Disease, Vasectomy, and Hormone Replacement Therapy (HRT). Dr. Hwang is currently accepting new patients.