Meet Our Orthopedic Team

Cumberland Orthopedics is the office of orthopedic surgeons Darren Barton, DO, Tyler Gunderson, MD, Jon Simpson, MD, and certified physician assistant Ashley Reagan, PA-C. With more than 50 years of combined medical experience, our physicians provide complete orthopedic care for patients with skeletal, joint, and muscle injuries, and perform surgery at Cumberland Medical Center, so you can get excellent care close to home.  Thank you for learning more about our team.


Darren Barton, DO is an orthopedic surgeon and a member of the medical team at Cumberland Orthopedics.
Darren Barton, DO

Darren Barton, DO

Clinical Interests:

  • General orthopedic care
  • Rotator cuff injuries and shoulder pain
  • Shoulder and knee replacements
  • Ankle issues

Fellowship:

Sports Medicine,
Hughston Clinic

Residency:

Orthopedic Surgery,
Wellmont Orthopedic Residency Program

Medical School:

Lincoln Memorial University
DeBusk College of Osteopathic Medicine


Tyler Gunderson, MD is an orthopedic surgeon and a member of the medical team at Cumberland Orthopedics.
Tyler Gunderson, MD

Tyler Gunderson, MD

Board Certified in Orthopedic Surgery

Clinical Interests:

  • General orthopedics
  • Sports medicine
  • Fracture care
  • Shoulder, hip, and knee joint reconstruction
  • Shoulder and knee arthroscopy
  • Minor hand surgery

Residency:

Orthopedic Surgery,
Medical College of Georgia

Medical School:

University of Nevada School of Medicine


Jon Simpson, MD is an orthopedic surgeon and a member of the medical team at Cumberland Orthopedics.
Jon Simpson, MD

Jon Simpson, MD

Board Certified in Orthopaedic Surgery

Clinical Interests:

  • Sports medicine
  • Fracture care
  • Musculoskeletal injuries
  • Total joint replacement
  • Arthroscopic surgery

Residency:

Orthopaedic Surgery,
Medical College of Georgia

Medical School:

Loyola University Stritch School of Medicine


Ashley Reagan, PA-C is a certified physician assistant and a member of the medical team at Cumberland Orthopedics.
Ashley Reagan, PA-C

Ashley Reagan, PA-C

Physician Assistant

Clinical Interests:

  • Fracture care
  • Joint injections
  • Osteoarthritis management
  • Perioperative care
  • Operating room assistance

Education:

Master of Science in Physician Assistant Studies,
South College School of Physician Assistant Studies

Bachelor of Science in Microbiology,
Tennessee Technological University

Certification:

Nationally certified by the NCCPA

Personal Interests:

Ashley grew up in Crossville and continues to live there with her husband, Terry, and four-year-old daughter, Addie.

“I love working closely with our team of outstanding surgeons to provide quality orthopedic care for our patients. Walking with our patients through some of life’s toughest times, whether through an injury or surgery, and seeing them overcome adversity with improved quality of life, makes my career incredibly rewarding.”


Schedule an Appointment

If you need orthopedic care, we’re accepting new patients. Talk to your healthcare provider about a referral to our practice. For questions about our orthopedic services, call (931) 484-8861.