Dr. Dennis Edward Cramer, DO is a health care provider primarily located in Riverside, CA, with other offices in MISSION VIEJO, CA and Mission Viejo, CA (and 2 other locations). He has 23 years of experience. His specialties include Orthopedic Spine Surgery, Neurological Surgery, Family Medicine. Dr. Cramer is affiliated with Riverside University Health Sysem. He speaks English and Spanish.