Dr. Melissa Louise Ennen specializes in anesthesiology in Walnut Creek area. Dr. Melissa Louise Ennen has a medical practice at 365 Lennon Lane, Walnut Creek CA, and has over 14 years of experience in the field of medicine. She graduated from University Of Pennsylvania School Of Medicine with her medical degree in 2003. Dr. Ennen is accepting new patients at her medical office and practice location in Walnut Creek, California. She is available for appointments, preventative care, medical care as well as ongoing patient care.