About Us

Great Lakes Medical Imaging is the premier diagnostic imaging services provider in Western New York. Formerly known as NorthTowns Imaging, Apex Imaging and Northtowns MRI, GLMI is dedicated to providing the highest quality diagnostic imaging services for you and your family. We offer locations throughout Western New York.


Visit this page often for the latest Great Lakes Medical Imaging news releases, new features and information on upcoming industry events.

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All of Great Lakes Medical Imaging’s radiologists are board-certified by the American Board of Radiology® and were individually selected for their extensive training and years of experience.

Meet The Team
Community Involvement

As an organization, we participate in several local and national fundraising events and are always excited to find new ways to help our patients and the community.

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Our medical expertise and advanced technology allow us to offer accurate, timely results in a comfortable setting.

These are just a few of the reasons why we are trusted by patients and physicians throughout Western New York – and why the Buffalo Bills and Buffalo Sabres both selected GLMI as their official provider for imaging services.

All of the radiologists at Great Lakes Medical Imaging are board-certified by the American Board of Radiology and are required to have extensive training along with their years of experience. We offer expertise in nearly every type of imaging, with specialty areas that include:

Great Lakes Medical Imaging is an American College of Radiology® Gold Seal for Ultrasound, Breast Ultrasound and Mammography Accredited Facility. We are proud to meet this national professional organization’s high standards for the practice of medical imaging and radiation oncology and the delivery of comprehensive health care services.

Leadership Team

Jonathan Marshall, DO


Greg Shields, MD

MD Executive Committee Member

Michael Silber, MD

MD Executive Committee Member

Virginia Materese

Chief Executive Officer

Victor Regenbogen, MD

MD Executive Committee Member

Ken Pearsen, MD

MD Executive Committee Member

Jason Floreano

Chief Financial Officer