JOSEPH M LONGNECKER DO is categorized under PHYSICIANS & SURGEONS specializing in PEDIATRICS and located at 1041 E Yorba Linda Blvd. Ste. 306 in or near the Placentia, CA area. Find additional information including website, e-mail, map, and directions - firstchoicedocs.com. Find additional PHYSICIANS & SURGEONS at MedicalYP.com ®.