Dr. David R. Zackrison

PATIENT EDUCATION VIDEOSDr. Woller’s academic interests reside in thrombosis medicine and anticoagulation management. With a particular interest in the prevention of venous thromboembolic disease, Dr. Woller has served as investigator on multiple ongoing and completed clinical trials including the NIH-funded studies. Dr. Woller is Co-Chair for the American College of Chest Physicians (ACCP) Clinical Practice Guideline that addresses antithrombotic therapy for venous thromboembolic disease, and as was a panelist for the Vascular Access Appropriateness Panel housed at the University of Michigan. Dr. Woller is an invited panelist for the Centers for Disease Control and Prevention (CDC) Risk Assessment Model for the Prevention of Venous Thromboembolic Disease in Medical Patients program. Dr. Woller is Professor of Medicine, University of Utah School of Medicine, Professor in Research, Intermountain Healthcare, and is a recognized teacher and recipient of the Intermountain Medical Center Housestaff Teaching Award (2011), the University of Utah School of Medicine Outstanding Faculty Teaching Award (2012), and the University of Utah Department of Internal Medicine Outstanding Faculty Subspecialty Teaching Award (2021, 2024). Dr. Woller, Fellow of the American College of Chest Physicians (FCCP) and Fellow of the American College of Physicians (FACP), served as Utah Chapter Governor of the American College of Physicians (Class of 2025). Dr. Woller's research group was awarded the 2015 U.S. Centers for Disease Control and Prevention (CDC) Healthcare-Associated Venous Thromboembolism (HA-VTE) Prevention Challenge Award. It was with sincere humility and gratitude that Dr. Woller received the Intermountain Health Patient Experience Award (2022, 2024).  Dr. Woller received his medical degree from Northwestern University Medical School in 2000. Dr. Woller completed his residency at the University of Utah Hospital (2003) then served as Chief Medical Resident in 2003-04. Dr. Woller is Board Certified in Internal Medicine and attends at the Intermountain Medical Center, Murray UT. Dr. Woller is highly rated in 5 conditions, according to our data. His clinical expertise encompasses Venous Thromboembolism (VTE), Deep Vein Thrombosis, Mesenteric Venous Thrombosis, Thrombectomy, and Knee Replacement. Dr. Woller is board certified in American Board Of Internal Medicine. Dr. Woller is currently accepting new patients.

Matthew Rondina is a primary care provider, practicing in Internal Medicine in Salt Lake City, Utah. Dr. Rondina is highly rated in 10 conditions, according to our data. His clinical expertise encompasses Sepsis, Disseminated Intravascular Coagulation, Venous Thromboembolism (VTE), and Blood Clots. Dr. Rondina is board certified in American Board Of Internal Medicine. Dr. Rondina is currently accepting new patients.

Jonathan Vellinga is a primary care provider, practicing in Internal Medicine in Draper, Utah. He has been practicing medicine for over 18 years. Dr. Vellinga is highly rated in 60 conditions, according to our data. His clinical expertise encompasses Hypermethioninemia, Sulfite Oxidase Deficiency, Methylmalonic Acidemia with Homocystinuria, and Inborn Amino Acid Metabolism Disorder.