Nannan Thirumavalavan, MD

Board-Certified Urologist in Cleveland Specializing in Male Infertility & Sexual Dysfunction


Dr. Thirumavalavan prides himself on providing compassionate, thoughtful care for his patients. He is comfortable discussing sensitive topics such as infertility and erectile dysfunction. With his gentle manner, he takes the time to listen to his patients and works with them to create a treatment plan that best suits their needs.


Scott Department of Urology, Baylor College of Medicine
Fellowship in Male Reproductive Medicine and Surgery (2017-2019)

Boston University Medical Center
Residency in Urology (2012-2017)

Boston University Medical Center
Internship in General Surgery (2011-2012)

Boston University School of Medicine
Medical School (2011)

Boston University College of Arts and Sciences
Bachelor’s Degree (2008)


Dr. Nannan Thirumavalavan is a fellowship-trained and board certified urologist who specializes in male infertility, microsurgery, sexual dysfunction and men’s health. He is an expert in penile implants and vasectomy reversals and is University Hospitals’ Chief of Male Reproductive and Sexual Health.

Dr. Thirumavalavan attended the Boston University College of Arts and Sciences for his undergraduate degree and then went on to complete medical school at Boston University School of Medicine. Subsequently, he completed his Internship in General Surgery and Residency in Urology at Boston Medical Center. He then completed a National Institutes of Health sponsored fellowship in Male Reproductive Medicine and Surgery at Baylor College of Medicine in Houston, Texas.

Awards & Recognition

Dr. Thirumavalavan has earned numerous awards in his career including the AUA Men’s Health Traveling Fellowship in 2014, the NIH Travel award in 2018 for the American Society of Andrology, and the Society for Male Reproduction and Urology Traveling Scholarship in 2018. He has contributed significantly to the field of men’s health with numerous journal articles and book chapters on topics ranging from penile implants, infertility, and varicocele repair. He is also an invited reviewer for major medical journals, such as Fertility and Sterility, Sexual Medicine, and the International Journal of Impotence Research. He teaches and mentors resident urologists and medical students.


In his spare time, he enjoys spending time with his wife and young daughter. He enjoys playing golf and is an avid lacrosse fan, being a former collegiate player and youth coach. He looks forward to getting to know you!











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