Updated November 2026How we check doctors
Same order as the list above. A comparison, not a ranking.
| Doctor | Type | Education and training | Reviews |
|---|---|---|---|
| Robert Greenhow, MD | Concierge · Orthopedic surgery physician | Five-year Orthopedic Surgery training program in Vancouver | |
| Ryan Carr, MD | Concierge · Orthopedics physician | Orthopedic surgery, University of Illinois at Chicago | |
| Alex Nielsen, MD | Concierge · Orthopedic surgery physician | Orthopedic surgery, Medical College of Wisconsin | |
| Craig Loucks, MD | Concierge · Orthopedics physician | ||
| Jeffrey Arthur, DO | Concierge · Orthopedics physician | St Vincent Mercy Medical Center | |
| Daniel Paull, MD | Concierge · Orthopedics physician | Orthopedic surgery, University of Toledo Medical Center (2013-2018) | 5.0 (10) |
| Mark Fitzgerald, MD | Concierge · Orthopedics physician | Orthopedics and orthopedic surgery, Boston Medical Center |
FindMyDirectDoctor lists 7 knee pain specialists in Colorado. We last checked this list in November 2026.
We confirmed board certification for 3 doctors on this list. Each profile shows the board and the specialty.
1 of the 7 doctors have a fee we confirmed on the practice's own website. The fee is on each of their profiles.
1 of the 7 doctors have patient reviews on FindMyDirectDoctor, 10 reviews in total. Each tile shows the doctor's rating and review count.
It depends on the practice. Many direct primary care and concierge practices charge a membership fee instead of billing insurance for office visits, and some also accept insurance. Each profile says how its practice works when the practice states it.