Dr. Penelope Langdon specializes in clinical psychologist in Sebastopol area. Dr. Penelope Langdon has a medical practice at 321 South Main Street, #16, Sebastopol CA, and has over 14 years of experience in the field of medicine. She graduated from her medical school with her medical degree in 2003. Dr. Langdon is accepting new patients at her medical office and practice location in Sebastopol, California. She is available for appointments, preventative care, medical care as well as ongoing patient care.