Mark Crislip

Mark Alden Crislip (born April 25, 1957) is an infectious disease doctor in Portland, Oregon and former chief of infectious diseases at Legacy Health hospital system. Crislip has generated three podcasts, QuackCast, PusCast, and Gobbet o' Pus. A writer for medicine-related blogs, he has compiled his blog posts into several books. He co-founded the Society for Science-Based Medicine and served as president from 2013 to 2019.

Biography Crislip was born in Cleveland, Ohio. He attended the University of Oregon from 1979 to 1983, where he earned a Bachelor of Science degree in physics. He then earned a Doctor of Medicine (MD) degree at the Oregon Health & Science University School of Medicine in 1983. He completed an internship and residency at Hennepin County Medical Center in Minneapolis in 1986, followed by a fellowship at Harbor–UCLA Medical Center. (2006–2019) and PusCast (2005–2021). His podcast Gobbet o' Pus was active as of 2022.

For each episode of QuackCast, Crislip delivered a monologue about a topic related to medicine, usually a critique of an alternative medicine practice or set of beliefs. He was inspired to create his own science-based medicine show after listening to the Slacker Astronomy podcast. until 2017. He is the co-editor, along with Steven Novella and David Gorski, of a 12-volume series of Science-Based Medicine Guides, based on posts from the Science-Based Medicine blog. From 2013 to 2019, the SfSBM educated medical professionals and the general public about the importance of basing medical practices on science and advocated for laws to support the use of science in medicine. The organization's website included a wiki-based repository of material about questionable medical practices from Stephen Barrett's Quackwatch website.

Awards Crislip has been on the Top Docs list published by Portland Monthly magazine several times,