Dr. Daniel Sullivan earned his Bachelor of Science degree in biological studies with a minor in art history from the University of California in Riverside, Calif. He then earned a Master of Sciences in Biology from California State University in Long Beach, Calif. Dr. Sullivan earned his Doctor of Osteopathy from Western University of Health Sciences, College of Osteopathic medicine of the Pacific. He did his internship and residency in internal medicine at the University of Southern California Medical Center. Dr. Sullivan is a member of the American Medical Association, American Osteopathic Association, American College of Physicians and Society of Hospitalist Medicine. He is fluent in Spanish and conversational in French.