Department Providers

Mary Connell MD
Program Director, Valleywise Health Center Radiology Residency Program
Department: Pediatrics, Radiology
Specialty: Pediatric Radiology, Ultrasound
Education: Georgetown University College of Medicine, Washington DC
Board Certification: 
  • State of Arizona, Arizona Medical Board, 1986 - current
  • American Board of Radiology, Diplomate June 1990
  • American Board of Radiology, Certification of Additional Qualifications, Pediatric Radiology, November 1997; November 2007, November 2017
Randy Richardson MD
Department: Radiology
Specialty: Pediatric Radiology
Education: Loma Linda University School of Medicine, Loma Linda, CA
Board Certification: Diagnostic Radiology, Pediatric Radiology
Dane Van Tassel MD
Dane Van Tassel MD
Pediatric Radiology Section Chief and Department Vice Chair
Department: Radiology
Specialty: Pediatric Radiology
Education: University of Arizona, Phoenix/Arizona

Department Chair

Daniel Gridley MD
Chair of the Radiology Department
Chief of Musculoskeletal Imaging
Department: Radiology
Specialty: Musculoskeletal Imaging
Education: University of Nebraska Medical Center, Omaha, NE
Board Certification: Diagnostic Radiology

Department Administrator

Carah Maronay
Division Administrator