Directory
Duane C. Whitaker, MD
Clinical Professor, Medicine
Micrographic Surgery & Dermatologic Oncology Fellowship
![[A white man wearing glasses in physician's white coat with blue shirt and tie]](/sites/default/files/styles/az_card_image/public/2025-09/White_Kevin-MD_PACCS-HR-wc_1942288071.jpg.webp?itok=cY0zrBlF)
Kevin M. White, MD
Affiliate - Associate Professor, Medicine - (Clinical Scholar Track)
Anthony Witten, DO
Assistant Clinical Professor, Medicine
Associate Program Director, Internal Medicine Residency Program
Ryan C. Wong, MD
Assistant Professor, Medicine
Director, Internal Medicine Sub-Internship, Department of Medicine
Core Faculty, Nephrology Fellowship & Internal Medicine, Department of Medicine
Associate Program Director, Internal Medicine Residency Program – Tucson, Department of Medicine
James Yanes, MD
Assistant Clinical Professor, Medicine
Lorraine Yentzer, MSN, AG-ACNP-BC, CHPN
Specialty Instructor
Palliative Medicine Nurse Practitioner
Tiffany Ynosencio, MD
Clinical Assistant Professor, Medicine
Nathan Ryan Zvejnieks, MD
Fellow, Clinical Instructor, Pulmonary and Critical Care Medicine