Our Doctors

Susan Sipay, M.D.

Doctor Susan Sipay, relocated to Denver in 2004 to practice urgent care medicine and pursue her love of mountain sports. She was educated in the Midwest with a BS from Purdue University and an MD from Rush Medical College. She did her residency in Emergency Medicine in Chicago and spent five years in St. Paul, Minnesota practicing emergency medicine before moving to Denver. Dr. Sipay is board certified in Emergency Medicine. In 2009 she was honored as a Public Health Champion for helping to protect the population from the 2009 H1N1 influenza.

Susan divides her time between Denver and Colorado’s high country where she enjoys Skiing, snowboarding, biking and hiking. She can often be found on the trails along the Front Range hiking with her dog.

Eric Hernandez, M.D.

Doctor Eric Hernandez, is a Colorado Native.  He attended Colorado State University as an undergraduate, and then returned for graduate school.  He majored in Anatomy and Neurobiology in graduate school, and went on to study medicine at the University of Michigan. 

While attending medical school, Doctor Hernandez spent six weeks in India learning how to incorporate "alternative" medicine into "Western" medicine. He completed his residency in family practice at the University of Washington, Spokane.

When he is not practicing medicine, he enjoys hiking and camping with his dogs.  Doctor Hernandez also enjoys cooking, photography, snowboarding, biking, golf, foreign travel and freelance writing.

William Cooper, M.D.

Dr. William Cooper grew up in Virginia Beach, Virginia.  He studied German literature, Russian, and the premedical sciences at the University of Virginia where he received a BA with distinction in 1986.  He deferred medical school for one year to travel and work abroad in Germany, France, Austria, Namibia, and Botswana.  He returned to medical school at the University of Virginia, where he received his M.D. in 1991.

He then went on to complete his residency in family practice at Bayfront Medical Center in St. Petersburg, Florida in 1994.  He has been a doctor in Colorado since 1995.

Outside of medicine, Dr. Cooper loves to spend time with his wife and children.  He also enjoys snow skiing, playing traditional Irish music on the flute, hiking and watching his sons play Lacrosse.