Directories Home>Medicine>Surgery>Urology>Practices>United_States>Directories     Web Pages Impotence: Specialists and Resources Information about impotence, a national listing of physicians that specialize in impotence and an impotence message board. Premature Ejaculation Specialists A national guide of specialists expert in impotence, premature ejaculation and erectile dysfunction. Urologist Locator Search for urology practices in your region by zip code, state, specialist, or treatment. Male Infertility Resource Center Male infertility information, a national listing of male infertility physicians and a male infertility bulletin board. Varicocele Resource Center Varicocele information, a national listing of physicians expert in varicocelectomy and a varicocele bulletin board. Vasectomy Reversal: Physician Listing A map by region of microsurgeons with expertise in microsurgery and vasectomy reversal.