New Members
Mark N. Villanueva, M.D.
Hospital Internal Medicine
B.A., University of Dallas, Irving, Texas, 2003.
M.D., University of Texas Health Sciences Center at Houston Medical School, Houston, Texas, 2007.
Residency/Fellowship: Loyola University Chicago Stritch School of Medicine, Maywood, Ill. (internal medicine), 2007-2010; Vanguard Health West Suburban Medical Center, Oak Park, Ill. (chief resident, internal medicine), 2010-2011.
Certified by the American Board of Internal Medicine.
Banner University Medical Center-Phoenix, Phoenix, Ariz., medical director, Division of Hospital Medicine, 2013-2018; section chief, Division of Hospital Medicine, 2018; Director of Strategic Alignment, Department of Medicine, 2019-2020
Appointed to the staff of Mayo Clinic in Arizona, 2020; medical director, Observation Medicine, 2024-present; physician advisor, 2024-present.