Mark Callahan

Mark Callahan is an experienced professional who currently serves as the Chief Operating Officer at Mary Lanning Healthcare. Mark previously held roles including Interim CEO and Vice President - Administration at the same company. Prior to their current position, Mark worked at Mary Lanning Memorial Hospital as the Director of Medical Office Management. Mark also has experience as a Credit Manager at Hill Burton Fund, specializing in collections and AR revenue cycle. Mark holds a Master's Degree in Health/Health Care Administration/Management from Bellevue University.