Williston Radiology Consultants, PC was founded in 1971 by a Radiologist, R.J. Olson, M.D. In 1997, Radiologist Leszek J. Jaszczak, M.D. joined the group at their clinic located at Mercy Hospital; shortly thereafter he acquired the practice. In 2002, Dr. Jaszczak moved the clinic to its current location at 3-4th St. E, downtown Williston.

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Williston Radiology Consultants is a full service radiology and women's health clinic offering mammograms, ultrasound, MRI, and CT, and was the first in the region to offer the non-invasive breast biopsy also known as the "Band-Aid biopsy."

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In 2007, seeing the need for more medical services in the area, Dr. Jaszczak founded Fairlight Medical Center, a walk-in/urgent care clinic, the first in the region.

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From 1997 when the clinic had three staff members to 2021 and its current staff of 15, Williston Radiology Consultants and Fairlight Medical Center have been meeting the medical needs of the Mon-Dak region.

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