A non-invasive cardiologist, Dr. Crosby is a 1977 graduate of the Ohio State University College of Medicine. He completed his residency in Internal Medicine at Presbyterian University Hospital in Pittsburgh, Pennsylvania and a post-graduate fellowship in Cardiology at Ohio State University College of Medicine, Columbus Ohio.

Dr. Crosby is Board Certified in both Internal Medicine and Cardiovascular Disease. He is also licensed as a nuclear cardiologist. He is a member of the American College of Cardiology, American Medical Association, and the American Society of Nuclear Cardiology.

Prior to joining the Grand Traverse Heart Associates, Dr. Crosby was a cardiologist with Ohio Heart Care, Inc. and Assistant Professor of Medicine at Northeastern Ohio University College of Medicine.

In addition to Mercy Hospital–Cadillac, Dr. Crosby has privileges at Munson Medical Center in Traverse City. He resides in Cadillac with his family.