Radiology

Medical imaging and analysis for diagnosis and treatment

District Medical Group (DMG) radiologists are specially trained and offer comprehensive imaging services and treatments to patients of all ages at Valleywise locations across Maricopa County. In addition, we have pediatric radiologists at DMG Children’s Rehabilitative Services (DMG CRS), the largest multi-specialty interdisciplinary clinic (MSIC) in Arizona. At all facilities, you can be assured the highest level of technology and resources are utilized to provide reliable and valuable radiology services. DMG radiologists are Board Certified, and many are fellowship-trained in radiology subspecialties such as pediatric radiology, breast imaging, and more.

In most cases, patients are referred for radiology services by their primary care provider and/or a medical specialist. We will coordinate care with your referring physician to ensure they have the radiology results and support to develop a customized treatment plan with you.

DMG radiologists provide expert services, diagnosis, and treatment in the following subspecialties:

Education Programs

As part of the Creighton University Arizona Health Education Alliance and in partnership with Valleywise Health, DMG’s Department of Radiology offers the following residency program:

Radiology Residency

In addition, DMG offers an undergraduate radiology fourth-year student rotation:

Radiology rotation

For more information on DMG’s commitment to educating Arizona’s future healthcare professionals, click here.

Locations

Map contains both District Medical Group and Valleywise Health locations.

Meet Our Radiologists

Physician Leadership

Fernando Azarcon, MD, DABR, FPCR

Fernando Azarcon, MD, DABR, FPCR

Section Head, Emergency Radiology

Medical Specialty: Emergency Radiology

Medical School: University of Santo Tomas Faculty of Medicine and Surgery, Manila, Philippines

Certification: American Board of Radiology

Michael Collins, MD

Michael Collins, MD

Section Head, Neuroradiology

Medical Specialty: Neuroradiology

Medical School: University of Arizona College of Medicine, Tucson

Certification: American Board of Radiology

Mary Connell, MD

Mary Connell, MD

Section Head, Ultrasound
Assistant Program Director, Radiology Residency, Creighton University Arizona Health Education Alliance, Phoenix

Medical Specialty: Pediatric Radiology
Ultrasound

Medical School: Georgetown University School of Medicine, Washington, DC

Certification: Diagnostic Radiology and Pediatric Radiology, American Board of Radiology

Christina Ferraro, MD

Christina Ferraro, MD

Section Head, Breast Imaging

Medical Specialty: Breast Imaging

Medical School: Creighton University School of Medicine, Omaha, NE

Certification: American Board of Radiology

Daniel Gridley, MD

Daniel Gridley, MD

Chair, Radiology

Medical Specialty: Musculoskeletal Imaging
Neuroradiology

Medical School: University of Nebraska College of Medicine, Omaha

Certification: Diagnostic Radiology and Neuroradiology, American Board of Radiology

Brian Magee, DO

Brian Magee, DO

Section Head, Nuclear Medicine

Medical Specialty: Emergency Radiology
Nuclear Medicine

Medical School: Midwestern University Arizona College of Osteopathic Medicine, Glendale

Certification: American Board of Nuclear Medicine
American Board of Radiology

Samantha Matz, DO

Samantha Matz, DO

Section Head, Body Imaging

Medical Specialty: Body Imaging
Breast Imaging

Medical School: AT Still University Kirksville College of Osteopathic Medicine, MO

Certification: Diagnostic Radiology, American Board of Radiology

Albert Roh, MD

Albert Roh, MD

Medical Director, Radiology
Section Head, Chest Imaging
Vice Chair, Clinical Research and Operations
Clinical Assistant Professor, Creighton University School of Medicine, Phoenix, AZ

Medical Specialty: Body Imaging
Chest Imaging

Medical School: Temple University School of Medicine, Philadelphia, PA

Certification: American Board of Radiology

Jimmy Saade, MD

Jimmy Saade, MD

Section Head, Musculoskeletal Imaging

Medical Specialty: Musculoskeletal Imaging

Medical School: University of Arizona College of Medicine, Tucson

Certification: American Board of Radiology

Ankit Shah, MD

Ankit Shah, MD

Section Head, Interventional Radiology
Clinical Assistant Professor, Radiology, Creighton University Arizona Health Education Alliance, Phoenix

Medical Specialty: Interventional Radiology

Medical School: Baylor College of Medicine, Houston, TX

Certification: Diagnostic and Medical Nuclear Physics, and Interventional and Diagnostic Radiology, American Board of Radiology

Dane Van Tassel, MD

Dane Van Tassel, MD

Section Head, Pediatric Radiology

Medical Specialty: Chest Imaging
Musculoskeletal Imaging
Pediatric Radiology

Medical School: University of Arizona College of Medicine, Tucson

Certification: Diagnostic Radiology and Pediatric Radiology, American Board of Radiology

Body Imaging

Samantha Matz, DO

Samantha Matz, DO

Section Head, Body Imaging

Medical Specialty: Body Imaging
Breast Imaging

Medical School: AT Still University Kirksville College of Osteopathic Medicine, MO

Certification: Diagnostic Radiology, American Board of Radiology

Albert Roh, MD

Albert Roh, MD

Medical Director, Radiology
Section Head, Chest Imaging
Vice Chair, Clinical Research and Operations
Clinical Assistant Professor, Creighton University School of Medicine, Phoenix, AZ

Medical Specialty: Body Imaging
Chest Imaging

Medical School: Temple University School of Medicine, Philadelphia, PA

Certification: American Board of Radiology

Breast Imaging

Christina Ferraro, MD

Christina Ferraro, MD

Section Head, Breast Imaging

Medical Specialty: Breast Imaging

Medical School: Creighton University School of Medicine, Omaha, NE

Certification: American Board of Radiology

Kevin Kearney, MD

Kevin Kearney, MD

Radiologist

Medical Specialty: Breast Imaging

Medical School: Tufts University School of Medicine, Boston, MA

Certification: American Board of Radiology

Samantha Matz, DO

Samantha Matz, DO

Section Head, Body Imaging

Medical Specialty: Body Imaging
Breast Imaging

Medical School: AT Still University Kirksville College of Osteopathic Medicine, MO

Certification: Diagnostic Radiology, American Board of Radiology

Lisa Shah-Patel, MD

Lisa Shah-Patel, MD

Radiologist

Medical Specialty: Breast Imaging

Medical School: University of California Los Angeles David Geffen School of Medicine

Certification: Diagnostic Radiology, American Board of Radiology

Chest Imaging

Albert Roh, MD

Albert Roh, MD

Medical Director, Radiology
Section Head, Chest Imaging
Vice Chair, Clinical Research and Operations
Clinical Assistant Professor, Creighton University School of Medicine, Phoenix, AZ

Medical Specialty: Body Imaging
Chest Imaging

Medical School: Temple University School of Medicine, Philadelphia, PA

Certification: American Board of Radiology

Charles Runyan, MD

Charles Runyan, MD

Radiologist

Medical Specialty: Chest Imaging
Pediatric Radiology

Medical School: University of Mississippi School of Medicine, Jackson

Certification: American Board of Radiology

Dane Van Tassel, MD

Dane Van Tassel, MD

Section Head, Pediatric Radiology

Medical Specialty: Chest Imaging
Musculoskeletal Imaging
Pediatric Radiology

Medical School: University of Arizona College of Medicine, Tucson

Certification: Diagnostic Radiology and Pediatric Radiology, American Board of Radiology

Emergency Radiology

Fernando Azarcon, MD, DABR, FPCR

Fernando Azarcon, MD, DABR, FPCR

Section Head, Emergency Radiology

Medical Specialty: Emergency Radiology

Medical School: University of Santo Tomas Faculty of Medicine and Surgery, Manila, Philippines

Certification: American Board of Radiology

Christopher Delbridge, DO

Christopher Delbridge, DO

Radiologist

Medical Specialty: Emergency Radiology

Medical School: Midwestern University Arizona College of Osteopathic Medicine, Glendale

Certification: Diagnostic Radiology, American Board of Radiology

Patrick (Keith) Hitchcock, MD

Patrick (Keith) Hitchcock, MD

Radiologist

Medical Specialty: Emergency Radiology
Nuclear Medicine

Medical School: University of South Carolina School of Medicine, Columbia

Certification: American Board of Radiology
Diplomate, National Board of Medical Examiners

Brian Magee, DO

Brian Magee, DO

Section Head, Nuclear Medicine

Medical Specialty: Emergency Radiology
Nuclear Medicine

Medical School: Midwestern University Arizona College of Osteopathic Medicine, Glendale

Certification: American Board of Nuclear Medicine
American Board of Radiology

Ross McArthur, MD

Ross McArthur, MD

Radiologist

Medical Specialty: Emergency Radiology

Medical School: University of Calgary Faculty of Medicine, Alberta, Canada

Certification: American Board of Radiology

Interventional Radiology

William Romano, MD, FSIR, FRCPC

William Romano, MD, FSIR, FRCPC

Interventional Radiologist

Medical Specialty: Interventional Radiology

Medical School: University of Western Ontario Schulich School of Medicine and Dentistry, Canada

Certification: American Board of Radiology

Ankit Shah, MD

Ankit Shah, MD

Section Head, Interventional Radiology
Clinical Assistant Professor, Radiology, Creighton University Arizona Health Education Alliance, Phoenix

Medical Specialty: Interventional Radiology

Medical School: Baylor College of Medicine, Houston, TX

Certification: Diagnostic and Medical Nuclear Physics, and Interventional and Diagnostic Radiology, American Board of Radiology

Musculoskeletal Imaging

Daniel Gridley, MD

Daniel Gridley, MD

Chair, Radiology

Medical Specialty: Musculoskeletal Imaging
Neuroradiology

Medical School: University of Nebraska College of Medicine, Omaha

Certification: Diagnostic Radiology and Neuroradiology, American Board of Radiology

Jimmy Saade, MD

Jimmy Saade, MD

Section Head, Musculoskeletal Imaging

Medical Specialty: Musculoskeletal Imaging

Medical School: University of Arizona College of Medicine, Tucson

Certification: American Board of Radiology

Dane Van Tassel, MD

Dane Van Tassel, MD

Section Head, Pediatric Radiology

Medical Specialty: Chest Imaging
Musculoskeletal Imaging
Pediatric Radiology

Medical School: University of Arizona College of Medicine, Tucson

Certification: Diagnostic Radiology and Pediatric Radiology, American Board of Radiology

Neuroradiology

Michael Collins, MD

Michael Collins, MD

Section Head, Neuroradiology

Medical Specialty: Neuroradiology

Medical School: University of Arizona College of Medicine, Tucson

Certification: American Board of Radiology

Daniel Gridley, MD

Daniel Gridley, MD

Chair, Radiology

Medical Specialty: Musculoskeletal Imaging
Neuroradiology

Medical School: University of Nebraska College of Medicine, Omaha

Certification: Diagnostic Radiology and Neuroradiology, American Board of Radiology

Poya Hedayati, MD

Poya Hedayati, MD

Radiologist

Medical Specialty: Neuroradiology

Medical School: University of Arizona College of Medicine, Tucson

Certification: Diagnostic Radiology and Neuroradiology, American Board of Radiology

Nuclear Medicine

Patrick (Keith) Hitchcock, MD

Patrick (Keith) Hitchcock, MD

Radiologist

Medical Specialty: Emergency Radiology
Nuclear Medicine

Medical School: University of South Carolina School of Medicine, Columbia

Certification: American Board of Radiology
Diplomate, National Board of Medical Examiners

Brian Magee, DO

Brian Magee, DO

Section Head, Nuclear Medicine

Medical Specialty: Emergency Radiology
Nuclear Medicine

Medical School: Midwestern University Arizona College of Osteopathic Medicine, Glendale

Certification: American Board of Nuclear Medicine
American Board of Radiology

Pediatric Radiology

Mary Connell, MD

Mary Connell, MD

Section Head, Ultrasound
Assistant Program Director, Radiology Residency, Creighton University Arizona Health Education Alliance, Phoenix

Medical Specialty: Pediatric Radiology
Ultrasound

Medical School: Georgetown University School of Medicine, Washington, DC

Certification: Diagnostic Radiology and Pediatric Radiology, American Board of Radiology

Courtney Mitchell, MD

Courtney Mitchell, MD

Pediatric Radiologist

Medical Specialty: Pediatric Radiology

Medical School: University of Arizona College of Medicine, Tucson

Certification: Diagnostic Radiology and Pediatric Radiology, American Board of Radiology

Randy Richardson, MD

Randy Richardson, MD

Pediatric Radiologist

Medical Specialty: Pediatric Radiology

Medical School: Loma Linda University School of Medicine, CA

Certification: Diagnostic Radiology and Pediatric Radiology, American Board of Radiology

Charles Runyan, MD

Charles Runyan, MD

Radiologist

Medical Specialty: Chest Imaging
Pediatric Radiology

Medical School: University of Mississippi School of Medicine, Jackson

Certification: American Board of Radiology

Dane Van Tassel, MD

Dane Van Tassel, MD

Section Head, Pediatric Radiology

Medical Specialty: Chest Imaging
Musculoskeletal Imaging
Pediatric Radiology

Medical School: University of Arizona College of Medicine, Tucson

Certification: Diagnostic Radiology and Pediatric Radiology, American Board of Radiology

Ultrasound