Kathleen M Preston specializes in nurse practitioner in Napa area. Kathleen M Preston has a medical practice at 3434 Villa Lane, Suite 150, Napa CA, and has over 8 years of experience in the field of medicine. She graduated from her medical school with her medical degree in 2009. She is affiliated with numerous hospitals, including Queen Of The Valley Medical Center (CA) and more. Preston is accepting new patients at her medical office and practice location in Napa, California.