Maria I. Contreras, N.P. Specialties: Family Medicine (928) 336-7095 Location Yuma Regional Medical Center Family Medicine Center2500 S. 8th Avenue, Suite 200Yuma, AZ 85364(928) 336-7095 Education and TrainingMaster of Science in Nursing, Family Nurse Practitioner - United States University in San Diego, CA. Master of Science in Nursing Education - Grand Canyon University in Phoenix, AZ Show All Physicians