Dr. Nachum Katlowitz is certified by the American Board of Urology and is a Fellow of the American College of Surgeons. Dr. Katlowitz is the Director of Male Sexual Dysfunction and Male Infertility at Maimonides Medical Center in Brooklyn and Staten Island University Hospital in Staten Island. He is very active in his field, lecturing on erectile dysfunction for Pfizer Pharmaceutical Company.

A graduate of Cornell University Medical College, Dr. Katlowitz earned his medical degree in 1977. His postgraduate training is listed below:

• General surgery resident (1981-1983) - Montefiore Medical Center and the Albert Einstein College of Medicare, Bronx, New York
• Urology resident (1983-1986) - Montefiore Medical Center and the Albert Einstein College of Medicare, Bronx, New York
• Impotency and male infertility fellowship (1990-1991) - Cabrini Medical Center/N.Y.U. Medical Center, New York, New York

• Extra corporeal shock wave lithotripsy
• Urologic laser surgery
• Lasers in urology

• Clinical instructor - SUNY-HSC, Department of Urology
• Associate attending - Maimonides Medical Center, Department of Urology
• Director of male sexual dysfunction and infertility - Maimonides Medical Center
• Director of male sexual dysfunction and infertility - Staten Island University Hospital