Patient Portal; Make Payment Online; Blog @ALTAVISTADERM. ALTA VISTA DERMATOLOGY @ALTAVISTADERM. ALTA VISTA DERMATOLOGY. Home Blog Injectable Days. Blog Posted on October 6, 2020 October 6, 2020 Posted by rsiadmin. Injectable Days. Get social. Book an Appointment Online. 206 W County Line Rd., Suite 340 Highlands Ranch, CO 80129.