About
Dr. Jonathan Ehrhardt, MD, is a diagnostic radiologist with advanced training in abdominal and body imaging. He earned his medical degree from the University of Chicago Pritzker School of Medicine and completed residency training at the University of Arizona College of Medicine. He further refined his expertise through an Abdominal/Body Imaging fellowship at the University of Wisconsin–Madison.
Dr. Ehrhardt is board certified in Diagnostic Radiology by the American Board of Radiology. In clinical practice, he focuses on interpreting a broad range of medical imaging studies to support accurate diagnosis and guide treatment planning, with a particular emphasis on imaging of the abdomen and related organ systems.
He provides radiology services in association with Mercyhealth Hospital and Trauma Center–Janesville and Mercyhealth Hospital and Medical Center–Walworth. Dr. Ehrhardt’s approach to patient care is grounded in professionalism, precision, and collaboration with referring clinicians to ensure imaging findings are clearly communicated and clinically meaningful. His philosophy of care is reflected in his statement: “My sincere desire is to offer my best skills toward healing our patients.”
Licenses
License information from the NPI database.
Medical License
US-AZ#35414
