Dr. Stephen Justin Sims specializes in family practice in Sunnyvale area. Dr. Stephen Justin Sims has a medical practice at 877 West Fremont Avenue, Ste B2, Sunnyvale CA, and has over 28 years of experience in the field of medicine. He graduated from State University Of New York Downstate Medical Center with his medical degree in 1989. He is affiliated with numerous hospitals, including El Camino Hospital (CA) and more. Dr. Sims is accepting new patients at his medical office and practice location in Sunnyvale, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.