BRIAN P O'CONNOR MD is categorized under PHYSICIANS & SURGEONS specializing in RHEUMATOLOGY and located at 675 S Arroyo Pkwy. Ste. 400 in or near the Pasadena, CA area. Find additional information including website, e-mail, map, and directions - pahealth.com. Find additional PHYSICIANS & SURGEONS at MedicalYP.com ®.