Cardiothoracic Surgery

Guadagnoli, Mark D., MD

CRMG Provider
Accepting New Patients

Mark Guadagnoli, MD specializes in cardiac surgery. He has practiced in northern Colorado since 1989 and previously worked at Poudre Valley Hospital and Medical Center of the Rockies.

Dr. Guadagnoli supported Dr. Damon Kennedy of the Heart & Vascular Institute while working at the Medical Center of the Rockies. He joined Cheyenne Regional Medical Center to provide additional support to the cardiac surgery and to build a more cohesive and collaborative program by working with cardiologists, providers and nurses to improve cardiovascular care in Cheyenne.

Medical School

  • University of New Mexico School of Medicine, Albuquerque, NM, 1981


  • Hospitals of Phoenix, Phoenix, AZ, 1986


  • University of Pittsburgh, Pittsburgh, PA, 1989

Licenses and Certifications

  • American Board of Thoracic Surgery

Professional Organizations

  • Fellow, American College of Surgery
  • Fellow, American College of Cardiology
  • Member, Colorado Medical Society and Larimer County Medical Society
  • Member, American Medical Association


Heart & Vascular Services

Our aim at the Heart and Vascular Institute in Cheyenne is to save lives, preserve function, and enhance the quality of life for every patient. HVI not only provides medical care to heart and vascular patients but also offers services related to kidney care (nephrology) and podiatry. We believe that maintaining the health of our heart and vascular system is crucial for overall full-body health.