Dr. Aaron Wittenberg is a board-certified interventional radiologist at IR Centers in Phoenix, Arizona. He is certified by the American Board of Radiology in both Diagnostic Radiology and Interventional Radiology and has practiced in the Phoenix market for many years, most recently delivering image-guided cancer therapy at City of Hope Cancer Center Phoenix. Dr. Wittenberg earned his medical degree from the Medical College of Ohio in Toledo and completed his internship at Mercy Health Partners in Toledo.

Ryan Scott, MD is a board-certified Diagnostic and Interventional Radiologist at IR Centers in Phoenix. He has been in practice for 11 years with particular interests in therapeutic arterial embolization, interventional oncology, and endovascular management of vascular disease. Dr. Scott received his medical degree from the University of Texas Medical Branch in Galveston Texas. He then completed his diagnostic radiology residency at St. Joseph’s Hospital and Medical Center in Phoenix where he served as Chief Resident. He then received additional fellowship training at The University of Texas Health and Science Center in San Antonio Texas where he earned a subspecialty certification in Vascular and Interventional Radiology.

Dr. Santiago Cornejo is a board certified Interventional Radiologist in the Phoenix area with over 9 years of clinical practice. After graduating from the University of Arizona College of Medicine in 2006 he completed a Diagnostic Radiology residency at St. Joseph’s Hospital and Medical Center. After residency Dr. Cornejo completed a fellowship in Vascular and Interventional radiology at Henry Ford Hospital followed by an advanced fellowship in Image Guided procedures and body imaging at the Mayo Clinic in Scottsdale in 2014.