Duncan Dermatology is open for in-office visits for all services. Please note, online booking is only available for cosmetic and skin therapist treatments.  If you'd like to book a cosmetic and/or skin therapist treatment, please see appointment availability below.   Please call or email our office for medical appointments.  If you have questions,  call (707) 967-0800 or email SkinLab@DuncanDerm.com.