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St. Joseph's Radiologists

Our radiologists are American Board of Radiology (ABR) certified, fellowship trained academic subspecialist physician radiologists, who are highly skilled to meet your unique needs and advocate for your best interests as the core of our practice. We have faculty appointments at respected University Medical Schools, publish in academic journals, present at academic national and international meetings, have seats on national and local health care and radiology committees, and teach and mentor future radiologists in our radiology residency program.


Karen Baker

Subspecialty: Breast Imaging


Philip Baker

Subspecialty: Musculoskeletal Radiology


Dignity Health doctor

Subspecialty: Emergency Radiology/Nuclear Medicine


Santiago Cornejo

Subspecialty: Interventional Radiology


Ralph Drosten

Subspecialty: Thoracic/Oncologic Imaging

Top Doctor 2015 - Phoenix Magazine


Andrew Duarte

Subspecialty: Interventional Radiology


Dignity Health doctor

Subspecialty: Interventional Radiology


Tilina Hu

Subspecialty: Abdominal Imaging/Cardiac Imaging


Olga Kalinkin

Subspecialty: Abdominal Imaging/Cardiac Imaging


Dignity Health doctor

Subspecialty: Emergency Radiology


Andrew Liguori, DO

Subspecialty: Abdominal Radiology


Dignity Health doctor

Subspecialty: Interventional Radiology


Courtney Mitchell

Subspecialty: Pediatric Radiology


Taruna Ralhan

Subspecialty: Musculoskeletal Radiology


Randy Richardson

Subspecialty: Pediatric/Cardiac Imaging

Top Doctor 2015 - Phoenix Magazine top


Robert Rivera, MD

Subspecialty: Musculoskeletal Radiology


Ryan Scott

Subspecialty: Interventional Radiology


Frank Schraml

Subspecialty: Nuclear Medicine


Amy Trahan

Subspecialty: Thoracic/Cardiac Imaging