Patients gave her an average rating of 4.5 stars out of 5. Her clinical interests include cushing's syndrome, vitamin D deficiency, and gynecomastia. Dr. Kellis is professionally affiliated with Hillcrest Hospital, Marymount Hospital, and Willoughby Hills Family Health Center. She accepts Coventry, Coventry Bronze, and Coventry Silver, in addition to other insurance carriers. After completing medical school at Albert Einstein College of Medicine of Yeshiva University, she performed her residency at NYU Langone Medical Center. Dr. Kellis is conversant in Greek.