Our Team

All of us at Aspen Orthopedic Specialists have dedicated ourselves to providing you with the specialized treatment you need, and we work as a team to ensure you receive the highest possible level of orthopedic care. Our specialty-trained doctors and staff work closely together and take a team approach to treat the orthopedic injuries and conditions of our patients. Learn more about our team below. 

Physician Assistant(s)

Joel J. Dreier, P.A.-C.

Education & Training
  • Bachelor of Science in Kinesiology: University of Wisconsin – Madison, Madison, WI
  • Master of Science in Educational Administration and Policy Analysis: University of Wisconsin – Madison, Madison, WI
  • Bachelor of Science, Physician Assistant Program: University of Wisconsin – Madison, Madison, WI
Certification
  • Board Certification: National Commission on Certification of Physician Assistants
  • Board Certification: National Athletic Trainers' Association
Professional Associations
  • American Academy of Physician Assistants

Margaret R. Rangel, P.A.-C.

Education & Training
  • Bachelor of Business Administration in Marketing: University of Wisconsin, Madison, WI
  • Bachelor of Science, Physician Assistant: University of Wisconsin, Madison, WI
Certification
  • Board Certification: National Commission on Certification of Physician Assistants
Professional Associations
  • American Academy of Physician Assistants

Cori G. Welch, P.A.-C.

Education & Training
  • Bachelor of Arts in Kinesiology With Emphasis in Athletic Training and Minor in Biology: University of Northern Colorado, Greeley, CO
  • Master of Science in Physician Assistant Studies: Finch University of Health Sciences/Chicago Medical School, North Chicago, IL
Certification
  • Board Certification: National Commission on Certification of Physician Assistants
Professional Associations
  • American Academy of Physician Assistants