Dr. Elaine R Sumaquial specializes in family practice in Antioch area. Dr. Elaine R Sumaquial, MD has a medical practice at 3400 Delta Fair Boulevard, Antioch CA, and has over 16 years of experience in the field of medicine. She graduated from Oakland College Of Medicine And Surgery with her medical degree in 2001. Dr. Sumaquial is accepting new patients at her medical office and practice location in Antioch, California. She is available for appointments, preventative care, medical care as well as ongoing patient care.