![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health](/content/dam/dignity-health/images/arizona/lifestyle/1280x320/lifestyle-2-1280x320.jpg/_jcr_content/renditions/cq5dam.web.1440.405.jpeg)
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.
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Karen Baker](/content/dam/dignity-health/images/arizona/imaging-and-radiology/bakerkaren.jpg)
Karen Baker, MD
Subspecialty: Breast Imaging
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Karen Baker](/content/dam/dignity-health/images/arizona/imaging-and-radiology/bakerkaren.jpg)
Karen Baker, MD
Subspecialty: Breast Imaging
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Philip Baker](/content/dam/dignity-health/images/arizona/imaging-and-radiology/bakerphilip.jpg)
Philip Alan Baker, MD
Subspecialty: Musculoskeletal Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Philip Baker](/content/dam/dignity-health/images/arizona/imaging-and-radiology/bakerphilip.jpg)
Philip Alan Baker, MD
Subspecialty: Musculoskeletal Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Dignity Health doctor](/content/dam/dignity-health/images/arizona/inline-legacy/photos/no-photo-01.jpg)
Shane Bezzant, MD
Subspecialty: Emergency Radiology/Nuclear Medicine
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Dignity Health doctor](/content/dam/dignity-health/images/arizona/inline-legacy/photos/no-photo-01.jpg)
Shane Bezzant, MD
Subspecialty: Emergency Radiology/Nuclear Medicine
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Santiago Cornejo](/content/dam/dignity-health/images/arizona/imaging-and-radiology/cornejo-santiago.jpg)
Santiago Cornejo, MD
Subspecialty: Interventional Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Santiago Cornejo](/content/dam/dignity-health/images/arizona/imaging-and-radiology/cornejo-santiago.jpg)
Santiago Cornejo, MD
Subspecialty: Interventional Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Ralph Drosten](/content/dam/dignity-health/images/arizona/imaging-and-radiology/drostenralph.jpg)
Ralph Drosten, MD
Subspecialty: Thoracic/Oncologic Imaging
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Ralph Drosten](/content/dam/dignity-health/images/arizona/imaging-and-radiology/drostenralph.jpg)
Ralph Drosten, MD
Subspecialty: Thoracic/Oncologic Imaging
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Andrew Duarte](/content/dam/dignity-health/images/arizona/imaging-and-radiology/duarte-andrew.jpg)
Andrew Duarte, MD
Subspecialty: Interventional Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Andrew Duarte](/content/dam/dignity-health/images/arizona/imaging-and-radiology/duarte-andrew.jpg)
Andrew Duarte, MD
Subspecialty: Interventional Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Dignity Health doctor](/content/dam/dignity-health/images/arizona/inline-legacy/photos/no-photo-01.jpg)
Yvonne Ferguson, PA
Subspecialty: Interventional Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Dignity Health doctor](/content/dam/dignity-health/images/arizona/inline-legacy/photos/no-photo-01.jpg)
Yvonne Ferguson, PA
Subspecialty: Interventional Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Tilina Hu](/content/dam/dignity-health/images/arizona/imaging-and-radiology/hutilina.jpg)
Tilina Hu, MD
Subspecialty: Abdominal Imaging/Cardiac Imaging
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Tilina Hu](/content/dam/dignity-health/images/arizona/imaging-and-radiology/hutilina.jpg)
Tilina Hu, MD
Subspecialty: Abdominal Imaging/Cardiac Imaging
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Olga Kalinkin](/content/dam/dignity-health/images/arizona/imaging-and-radiology/kalinkinolga.jpg)
Olga Kalinkin, MD
Subspecialty: Abdominal Imaging/Cardiac Imaging
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Olga Kalinkin](/content/dam/dignity-health/images/arizona/imaging-and-radiology/kalinkinolga.jpg)
Olga Kalinkin, MD
Subspecialty: Abdominal Imaging/Cardiac Imaging
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Dignity Health doctor](/content/dam/dignity-health/images/arizona/inline-legacy/photos/no-photo-01.jpg)
David Kay, MD
Subspecialty: Emergency Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Dignity Health doctor](/content/dam/dignity-health/images/arizona/inline-legacy/photos/no-photo-01.jpg)
David Kay, MD
Subspecialty: Emergency Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Andrew Liguori, DO](/content/dam/dignity-health/images/arizona/inline-legacy/photos/liguori-andrew-2018-a.jpg)
Andrew Liguori, DO
Subspecialty: Abdominal Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Andrew Liguori, DO](/content/dam/dignity-health/images/arizona/inline-legacy/photos/liguori-andrew-2018-a.jpg)
Andrew Liguori, DO
Subspecialty: Abdominal Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Dignity Health doctor](/content/dam/dignity-health/images/arizona/inline-legacy/photos/no-photo-01.jpg)
Tom Luzny, NP
Subspecialty: Interventional Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Dignity Health doctor](/content/dam/dignity-health/images/arizona/inline-legacy/photos/no-photo-01.jpg)
Tom Luzny, NP
Subspecialty: Interventional Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Courtney Mitchell](/content/dam/dignity-health/images/arizona/imaging-and-radiology/mitchellcourtney.jpg)
Courtney Mitchell, MD
Subspecialty: Pediatric Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Courtney Mitchell](/content/dam/dignity-health/images/arizona/imaging-and-radiology/mitchellcourtney.jpg)
Courtney Mitchell, MD
Subspecialty: Pediatric Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Taruna Ralhan](/content/dam/dignity-health/images/arizona/imaging-and-radiology/ralhan-taruna.jpg)
Taruna Ralhan, MD
Subspecialty: Musculoskeletal Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Taruna Ralhan](/content/dam/dignity-health/images/arizona/imaging-and-radiology/ralhan-taruna.jpg)
Taruna Ralhan, MD
Subspecialty: Musculoskeletal Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Randy Richardson](/content/dam/dignity-health/images/arizona/imaging-and-radiology/richardsonrandy.jpg)
Randy Richardson, MD
Subspecialty: Pediatric/Cardiac Imaging
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Randy Richardson](/content/dam/dignity-health/images/arizona/imaging-and-radiology/richardsonrandy.jpg)
Randy Richardson, MD
Subspecialty: Pediatric/Cardiac Imaging
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Robert Rivera, MD](/content/dam/dignity-health/images/arizona/imaging-and-radiology/robert-rivera-md-01.jpg)
Robert Rivera, MD
Subspecialty: Musculoskeletal Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Robert Rivera, MD](/content/dam/dignity-health/images/arizona/imaging-and-radiology/robert-rivera-md-01.jpg)
Robert Rivera, MD
Subspecialty: Musculoskeletal Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Ryan Scott](/content/dam/dignity-health/images/arizona/imaging-and-radiology/scottryan.jpg)
Ryan Scott, MD
Subspecialty: Interventional Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Ryan Scott](/content/dam/dignity-health/images/arizona/imaging-and-radiology/scottryan.jpg)
Ryan Scott, MD
Subspecialty: Interventional Radiology
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Frank Schraml](/content/dam/dignity-health/images/arizona/imaging-and-radiology/schramlfrank.jpg)
Frank Schraml, MD
Subspecialty: Nuclear Medicine
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Frank Schraml](/content/dam/dignity-health/images/arizona/imaging-and-radiology/schramlfrank.jpg)
Frank Schraml, MD
Subspecialty: Nuclear Medicine
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Amy Trahan](/content/dam/dignity-health/images/arizona/imaging-and-radiology/trahanamy.jpg)
Amy Trahan, MD
Subspecialty: Thoracic/Cardiac Imaging
![Meet the Radiology Team | St. Joseph's Hospital & Medical Center | Dignity Health Amy Trahan](/content/dam/dignity-health/images/arizona/imaging-and-radiology/trahanamy.jpg)
Amy Trahan, MD
Subspecialty: Thoracic/Cardiac Imaging