Appointments — Established Patients Only. Appointments (Established Patients Only) For established patients of Dr. Aytan Mammadova and Dr. Maria Menucci ONLY! New patients: call the front desk at 301-899-7713 Dr. Maria MenucciMD, Internal Medicine-Endocrinology, Diabetes & Metabolism Speaks English & Spanish Dr. Aytan MammadovaMD, Internal Medicine-Endocrinology, Diabetes & Metabolism Speaks English, Russian & Turkish You can also schedule your appointment via the Patient Portal and Healow App for Apple and Android users I am an established patient Book Now