![]() Alexander Eller, M.D. Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 400 Craven Rd, San Marcos, CA 92078 Phone: 833-574-2273  | 
![]() Chih-wen Shi, MD Family Medicine Medicare: Medicare Enrolled Practice Location: 150 Valpreda Rd, San Marcos, CA 92069 Phone: 760-736-6700 Fax: 760-736-8740  |