Patients gave Dr. Flechner an average rating of 3.0 stars out of 5. Areas of expertise for Dr. Flechner include polycystic kidney disease, hydronephrosis, and adrenal tumor. He is professionally affiliated with Cleveland Clinic Main Campus. Dr. Flechner accepts Coventry, Coventry Bronze, and Coventry Silver, in addition to other insurance carriers. He is a graduate of the University of California, Los Angeles (UCLA), David Geffen School of Medicine and a graduate of Moffitt Hospital, San Francisco's residency program.