Get To Know: Dr. John Tentinger, Radiologist Provider Spotlight June 15, 2018 Dr. Tentinger is a Mayo Clinic-trained Diagnostic and Interventional Radiologist, and he serves as the Section Chief for the Broadlawns Radiology Department. Broadlawns Radiology Services include: Bone Density Scans, CT Scans, Laser Vein, 3D Mammography, MRI, Nuclear Medicine, PET Scans, and Ultrasounds. In this video, Dr. Tentinger describes why he chooses to practice at Broadlawns Medical Center.