To find your doctor, please use the search options below: Search Again Search Results - Last Name Begins With: O 3 Physician(s) displayed. Antonio K Ong M.D. 3505 Hart Ave. Rosemead, CA 91770-2160 (626) 573-1160 General Surgery View Profile Marcus Ottochian M.D. PMP Medical Corporation Pasadena, CA 91107 (310) 422-3000 Critical Care View Profile Nelson J. Owyoung M.D. 1048 S Garfield Ave Alhambra, CA 91801 (626) 570-4708 Neurology View Profile 3 Physician(s) displayed.