Cheyenne Regional Medical Group
Cheyenne Regional Medical Group William A. Harrison, MD
Accepting New Patients
(307) 996-1560(307) 996-1560
Cheyenne Health Plaza Internal Medicine
800 E. 20th Street Suite 350 Cheyenne, WY 82001 US

Office Hours

Day of the WeekHours
Monday7:30 AM - 5:00 PM
Tuesday7:30 AM - 5:00 PM
Wednesday7:30 AM - 5:00 PM
Thursday7:30 AM - 5:00 PM
Friday7:30 AM - 5:00 PM

About William A. Harrison, MD

Medical School

  • Creighton University, 1991


  • Combined Pediatrics/Internal Medicine, Creighton University, 1995

Other Schooling

  • University of Denver, BA with honors – Denver, CO

Licenses and Certifications

  • American Board of Internal Medicine
  • Fellow American College of Physicians

Areas of Interest

  • General Internal Medicine

Personal Interests

  • Spending time with family



About Cheyenne Regional Medical Group

Cheyenne Regional Medical CenterCheyenne Regional Medical Center
Cheyenne Regional Medical Group (CRMG) is the state’s largest medical group with more than 70 providers offering a complete continuum of care—from pediatrics and family medicine to advanced specialty care including oncology, orthopedics and cardiology. CRMG is part of the Cheyenne Regional Healthcare System which serves the people of Southeast Wyoming, Northern Colorado and Western Nebraska. With offices throughout the city of Cheyenne and clinics around the region, Cheyenne Regional Medical Group offers convenient, compassionate care delivered with a focus on quality.