Request an Appointment with Jennifer A. Hertz, MD at 888.600.5600. 24/7 (310) 823-8911 | ER (310) 448-5200 Jennifer A. Hertz, M.D. Dr. Jennifer A. Hertz is one of the orthopedic surgeons who are currently affiliated with Cedars-Sinai Marina del Rey Hospital. ... She believes that patient care needs to be tailored to the individual and enjoys ....