Dr. Kline earned his medical degree from LSU, completed his residency at Ochsner and completed his fellowship in gynecologic oncology at the University of Texas M.D. Anderson Cancer Center and Tumor Institute in Houston, Texas. He is board certified in obstetrics and gynecology and gynecologic oncology and has been on staff at Ochsner since 1986 when he became Ochsners first staff gynecologic oncologist. Dr. Kline is a recognized expert in gynecologic oncology having been named as one of the top gynecologic oncologists in the city by the New Orleans Magazine. His special interest and expertise is the treatment of malignancies of the female reproductive organs including cancer of the ovary, uterus, cervix, vagina and vulva including radical pelvic surgery and chemotherapy. Dr. Kline is also a prolific researcher and is an investigator for the National Cancer Institute's Gynecologic Oncology Group. He has written many articles for scientific publications including two book chapters.

Dr. Kline was listed as one of the top doctors in the August 2009 editiion of the New Orleans Magazine.