Update from ERA

In 2019, ERA successfully integrated three fellowship-trained radiologists. These physicians bring more depth and sub- specialization to the team.

Dr. Stephen Bradley Weldon is a board certified radiologist that joined ERA in September 2019. Dr. Weldon is a fellowship trained in Pediatrics and MSK (Musculoskeletal).

Dr. Brett MacAdam is a board certified radiologist that joined ERA in April 2019. He is fellowship trained in MSK (Musculoskeletal).

Dr. Bret Martel is a board-eligible radiologist that joined ERA in July 2019. He is fellowship trained in Nuclear Medicine.

Learn more about ERA

Meet the Radiologists

John Bisges

John D. Bisges, MD

Dr. Bisges is a board certified, fellowship trained radiologist with a broad range of interests, including advanced magnetic resonance imaging techniques.

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Services

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Nuclear Medicine

nulcear medicine

Nuclear medicine is a branch of medical imaging that uses small amounts of radioactive material to diagnose and determine the severity of or treat a variety of diseases, including many types of cancers, heart disease, gastrointestinal, endocrine, neurological disorders and other abnormalities within the body. Because nuclear medicine procedures are able to pinpoint molecular activity within the body, they offer the potential to identify disease in its earliest stages as well as a patient’s immediate response to therapeutic interventions. Nuclear...

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Y-90 Radiotherapy for Liver Tumors

Y-90

What is Yttrium-90 (Y-90) Radiotherapy? Y-90 Radiotherapy is a special procedure that is done to treat tumors in your liver. In this type of treatment, tiny radioactive beads are injected into the vessels that supply your liver tumor with blood. The tiny beads will stay in the blood vessels around your tumor and allow radiation to reach the tumor(s) directly. Because these beads are delivered directly to your tumor, there is very little effect on the healthy parts of your liver or other tissues around your liver. The beads will put off radiation...

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Breast Imaging

Breast Imaging

Radiologists of Eastern Radiological Associates provide radiological services exclusively to Yellowstone Breast Center. The Yellowstone Breast Center, which is part of Saint Vincent Healthcare, is accredited by the National Accreditation Program for Breast Centers and certified by the FDA. The Yellowstone Breast Center has been accredited by the American College of Radiology as a Breast Imaging Center of Excellence for demonstrating excellence in breast imaging by successfully achieving accreditation in: Digital Mammography Digital Mobile Mammography Breast...

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