Advanced Dermatology: Dermatologist in Santa Clarita - Botox Porter Ranch. Patient Portal ---- Patient Portal Login ---- ADCC Patient Portal ASLMC Patient Portal. Valencia: 28212 Kelly Johnson Pkwy #245, Santa Clarita, CA 91355. Porter Ranch: 19950 Rinaldi St. #101, Porter Ranch, CA, 91326. 661.254.3686..