Colleen M Irwin specializes in nurse practitioner in San Francisco area. Colleen M Irwin, NP has a medical practice at 400 Parnassus Avenue, San Francisco CA, and has over 21 years of experience in the field of medicine. She graduated from her medical school with her medical degree in 1996. She is affiliated with numerous hospitals, including San Francisco General Hospital (CA) and more. Irwin is accepting new patients at her medical office and practice location in San Francisco, California.