John Cahoy, MD, PhD

Practice: Orthopedic Affiliates

Specialty: Orthopedics: Board-Certified Orthopedic Surgeon

Office locations: Concord, Hudson

Most recent review: 1 week ago Recent
4.7 out of 5
35 Ratings
9 Comments

Dr. John Cahoy, M.D., PhD, is a board-certified orthopedic surgeon at the Orthopedic Affiliates Joint and Sports Medicine Center in Concord and Hudson, MA. Dr. Cahoy specializes in Comprehensive Pediatric Orthopedic Care, Upper and Lower Extremity Fractures, Foot and Ankle Injuries and Deformities, Treatment of Athletic Injuries, Non-Operative Management of Adolescent Scoliosis, and Spine Conditions.

4.7 out of 5
35 Ratings
9 Comments

Dr. John Cahoy, M.D., PhD, is a board-certified orthopedic surgeon at the Orthopedic Affiliates Joint and Sports Medicine Center in Concord and Hudson, MA. Dr. Cahoy specializes in Comprehensive Pediatric Orthopedic Care, Upper and Lower Extremity Fractures, Foot and Ankle Injuries and Deformities, Treatment of Athletic Injuries, Non-Operative Management of Adolescent Scoliosis, and Spine Conditions.

The reviews listed below were collected independently of Orthopedic Affiliates through rater8. Each review represents an authentic and verified patient experience.

Great bed side manner and keeps it real!

Rated 5 out of 5 stars
(1 week ago) Oct-2026

We had a great experience with Dr Cahoy. He was so great with my son - spoke right to him on his level so he would understand. I would absolutely use him again if needed

Rated 5 out of 5 stars
(2 weeks ago) Sep-2026

Great guy

Rated 5 out of 5 stars
(3 years ago) Oct-2022

We saw the NP and she was lovely- warm and empathetic, explained everything well to my teen.

Rated 5 out of 5 stars
(3 years ago) Oct-2022

Very good bedside manner. Knowledgeable.

Rated 5 out of 5 stars
(3 years ago) Oct-2022

👍 explained everything clearly and made sure my daughter understood her options fully.

Rated 5 out of 5 stars
(3 years ago) Oct-2022

Dr. Cahoy was very knowledgeable and communicated his thoughts in a clear and concise manner. He has a great demeanor and made an immediate connection with my daughter. Excellent choice!

Rated 5 out of 5 stars
(4 years ago) Sep-2022

This may have been the best experience we’ve ever had at a physician’s office. Dr. Cahoy had my daughter’s stress fracture fully examined, evaluated, Xray’ed, and a plan for follow-up care in place in under and hour. He and his team were professional and efficient without us feeling rushed. Thank you for the excellent care!

Rated 5 out of 5 stars
(4 years ago) Sep-2022

He was very friendly and explained what they were going to do quickly, while making it easy to understand for my 10yr old

Rated 5 out of 5 stars
(4 years ago) Sep-2022