Bay AreaPiser & Piser Mohelim Piser & Piser Mohelim (415) 529-2730 [email protected] Urologist Joel Piser, M.D. Hand/plastic surgeon Jing Hsieh Piser, M.D. Practicing Bay Area urologist/plastic and hand surgeon; husband/wife mohelim team, trained and certified by Hebrew Union College; performing personalized, spiritually enlightening brit milah and hatafat dam brit (for previously circumcised converts) since 1991.