Louise S. O’Shaughnessy, MD

Dr. O’Shaughnessy is a Board-certified Diagnostic Radiologist and fellowship trained Breast Imager. She received her medical degree from UCLA School of Medicine and completed her Diagnostic Radiology residency and Mammography Fellowship at UCSD. Dr. O’Shaughnessy joined Physician’s Radiology Medical Group in 1985 and has held several leadership positions which include serving two terms as Chief of Staff of Alvarado Hospital Medical Center, Chairman of Radiology at Alvarado Hospital Medical Center and Physician’s Radiology Breast Imaging Medical Director. Dr. O’Shaughnessy performs a wide variety of diagnostic and interventional procedures including Breast MRI, Ultrasound and stereotactic biopsies. Her strong background in mammography has naturally led to a special interest in Women’s Imaging.