Due to the power outage across most of the state, both Casper campuses will be closing for the remainder of the day.

Any patients that were scheduled for imaging this afternoon will be contacted to reschedule. Thank you for your understanding. 

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Our Specialists

WIVA is home to board-certified, fellowship-trained radiologists and vascular surgeons who are leading the way in vascular care and non-invasive pain management. With sub-specialized expertise and experience, our physicians are dedicated to timely, accurate diagnoses, critical for patient care, comfort, and quality of life.

Our physicians come from some of the best interventional and vascular institutions in the world. Each provides highly-specialized expertise to ensure patients always receive the highest standard of care. Their commitment to patients means you are always seen by a physician

At WIVA, we are your partners in vascular health and pain management.

Dr. Ryan Bonifield, DO

Interventional Radiology and Diagnostic Radiology

Dr. Charles Bowkley, III MD CPE

Neurointerventional, Interventional, and Diagnostic Radiology
Casper Medical Imaging - Dr. Cubin

Dr. Frederick “Eric” Cubin, MD, MS

General and Interventional Radiology
Dr. John Rollo, M.D.

Dr. John Rollo, M.D.

Vascular Surgeon

Richards, M. Dallin

Dallin attended PA school at Wichita State University in Kansas and graduated in 2025. After high school, he spent two years living in Japan. He worked in Cardio-Pulmonary Rehabilitation as an Exercise Physiologist and in Cardiology as a stress test proctor.

Dallin loves spending time with his wife and kids, designing and building custom products, music, and reading and writing.

Casper Medical Imaging - Ficken, PA

Ficken, Shawn

Shawn graduated from the University of  Washington School of Medicine in 2010 on the Dean’s List. After obtaining his Physician Assistant training, he returned home to Casper and joined Casper Medical Imaging in 2010.

Prior to PA school Shawn attended Casper College and graduated with an Associates of Radiology degree. His experience includes General Radiology, CT and IR. Shawn performs multiple procedures at Wyoming Medical Center and Outpatient Radiology and sees patients in clinic.

Shawn served on the Wyoming Association of Physician Assistant board of directors from 2013-2020 and was President from 2017-2019. He was also elected Wyoming Physician Assistant of the Year in 2019. Shawn currently serves on the Wyoming Board of Medicine PA Council, which allows him to gain new experience and to continue to be involved with PAs and MDs across the state.

When Shawn isn’t working he likes to spend his time hunting, fishing, enjoying time outdoors with family, traveling and spending time with his pups.