MICHAEL T OBRIEN MD is categorized under PHYSICIANS & SURGEONS specializing in FAMILY PRACTICE and located at 20100 Lake Chabot Rd. Ste. 3 in or near the Castro Valley, CA area. Find additional information including website, e-mail, map, and directions - avalonlaserclinic.com. Find additional PHYSICIANS & SURGEONS at MedicalYP.com ®.