About Dr. Leonardi. Dr. Olga Leonardi, MD has over 14 years of clinical experience and expertise in the field of Endocrinology, Diabetes and Metabolism. She received her Medical Degree, Magna Cum Laude, from I.M. Sechenov Moscow Medical Academy which is ranked as a top medical school in Russia.About Us‧Services‧Patients‧Reviews‧Contact‧Request an Appointment.