Our Radiologists

All radiologists of Eastern Radiologists are board certified and several have Certificates of Added Qualification (CAQ) in Neuroradiology, Interventional Radiology, and Phlebology (the treatment of venous disease).

Kathleen Ryan, M.D.

Board-Certified
American Board of Radiology

Specialty
Breast Imaging

Fellowship/Subspecialty
CT/Ultrasound at St. Paul Ramsey Medical Center, St Paul, Minnesota

Residency
Diagnostic Radiology at University of Minnesota

Internship
St. Joseph's Hospital, Creighton University

Medical Degree
Creighton University School of Medicine

Mitch Gallagher, M.D.

Board-Certified
American Board of Radiology, American Board of Internal Medicine

Fellowship/Subspecialty
Diagnostic Radiology, University of California, San Diego - San Diego, California

Residency
Diagnostic Radiology, University of California, San Diego - San Diego, California

Medical Degree
University of Chicago Pritzker School of Medicine - Chicago, Illinois

John (Jack) Brandon, M.D.

Board-Certified
American Board of Radiology

Fellowship/Subspecialty
Neuroradiology, University of New Mexico, Albuquerque, NM

Residency
Diagnostic Radiology, University of Texas Southwestern Medical School, Dallas, TX

Internship
Internal Medicine, Exempla St. Joseph's Hospital, Denver, CO

Medical Degree
University of Texas Southwestern Medical School, Dallas, TX

John V. Hanson, M.D.

Board-Certified
American Board of Radiology

Fellowship/Subspecialty
Diagnostic Radiology

Residency
Walter Reed Army Medical Center, Washington, DC

Medical Degree
University of Colorado School of Medicine

R. Rex Dietz, M.D.

Board-Certified
American Board of Radiology

Fellowship/Subspecialty
Neuroradiology, University of Utah, Salt Lake City, UT; Diplomat of Board of Phlebology

Residency
University of Utah, Salt Lake City, UT

Medical Degree
University of Arizona, Tuscan, AZ

Joseph Dillard, M.D.

Board-Certified
Diagnostic Radiology (American Board of Radiology) Interventional Radiology (CAQ American Board of Radiology) Neuroradiology (CAQ American Board of Radiology) Cardiac CT (CBCCT)

Specialty
Vascular imaging and intervention

Fellowship/Subspecialty
Interventional and Vascular radiology, University of California at San Diego

Residency
University of California at San Diego

Medical Degree
University of California at San Diego

Additional Certifications
Neuroradiology and Cardiac CT

Robert Stears, M.D.

Board-Certified
American Board of Radiology

Fellowship/Subspecialty
Neuroradiology at Colorado School of Medicine

Residency
Colorado School of Medicine, Denver, CO

Medical Degree
Neuroradiology; Colorado School of Medicine, Denver, CO