What patients are saying
Overall rating
4.91
Average wait time
3.96
Bedside manner
4.93
“Dr Xenos and his staff are the best. He did my husbands knee in 2012, and is diagnosing my knees now. Highly recommended. Experienced. And very relatable. You cannot go wrong seeing Dr. Xenos.”
Initials hiddenMarch 26, 2026
“I have gone to see Dr. John Xenos for many years now. There is no one better at Orthopaedics than Dr. Xenos.
I highly recommend Dr. Xenos. Thank you.
Carol Kearns”
Carol M K.February 24, 2026
About Dr. John Xenos
A graduate of the United States Military Academy at West Point, Dr. Xenos earned his medical degree from the Georgetown University School of Medicine in Washington, D.C. He completed his residency in Orthopaedic Surgery at Walter Reed Army Medical Center in Washington, D.C. He then served as the Chief of Orthopaedic Surgery at Fort Benning Georgia where he was directly involved in the treatment of the 75th Ranger Regiment as well as other infantry units. Dr. Xenos followed his passion for joint replacement and completed a fellowship in adult reconstructive surgery at the Anderson Orthopaedic Research Institute in Virginia. He then returned to Walter Reed as the Director of Adult Reconstruction, where he attained the rank of Lieutenant Colonel, U.S. Army Medical Corps. Dr. Xenos currently remains active on the American Board of Orthopaedic Surgery as well as other national professional organizations.
Dr Xenos’ clinical interests include hip, knee and shoulder replacement as well as arthroscopic surgery of the hip. His research interests include biomechanical testing, clinical studies in hip and knee replacement, patient activity levels after joint replacement, diagnosis and treatment outcomes of hip labral pathology and femoral acetabular impingement. Dr. Xenos has presented his research at both national and international venues. His research has also resulted in numerous publications in such journals as the Journal of Bone and Joint Surgery and has earned several awards including the prestigious Founders Award presented by the Eastern Orthopaedic Association.
Dr Xenos enjoys skiing, camping, bicycling and is an avid fly fisherman.
Is this doctor in your insurance network?
Enter your insurance carrier and plan
choose insurance
In-network insurances
99% of patients have successfully booked with these insurances
Aetna
BlueCross BlueShield
Cigna
Medicare
UnitedHealthcare
Areas of expertise
This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
Hip replacement
Pain in joint
Lower back pain
Arthritis
Repeat hip or knee replacement surgery
Bursitis
Hip replacement
Pain in joint
Lower back pain
Arthritis
Office locations
1 of 2
Education and background
Practice names
Hospital affiliations
- Sky Ridge Medical Center
- Castle Rock Adventist Hospital
Board certifications
- American Board of Orthopaedic Surgery
Education and training
- Medical School - Georgetown University, Doctor of Medicine
- United States Military Academy, West Point (Bachelor's)
- Walter Reed Army Medical Center, Residency in Orthopedic Surgery
- Anderson Orthopaedic Research Institute, Fellowship in Adult Reconstructive Surgery
Professional memberships
- American Academy of Orthopaedic Surgeons
- Society of Military Orthopaedic Surgeons
Awards and publications
- Kevin L. Kirk, DO; Benjamin K. Potter, MD; Ronald A. Lehman, Jr., MD; John S. Xenos, MD. Effect of Distal Stem Geometry on Interface Motion in Uncemented Revision Total Hip Prostheses. The American Journal of Orthopedics. 36(10): 545-549, 2007
- Christopher J. Chen, MD; John S. Xenos, MD; James P. McAuley, MD; Anthony Young, MSE; Charles A. Engh, Sr., MD. Second-Generation Porous-coated Cementless THA Results Demonstrate Efficacy. Clinical Orthopaedics and Related Research, 451: 121-7, October 2006
- Radiographic Definition of Pelvic Osteolysis Following Total Hip Arthroplasty. Alexandra M. Claus, MD; C. Anderson Engh, MD; Christi J. Sychterz; John S. Xenos, MD; Karl F. Orishimo, MD; Charles A. Engh, Sr., MD. Journal of Bone and Joint Surgery, 85-A:1519-1526, 2003
Languages spoken
- English
Provider's gender
Male
NPI number
1972557072
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.91
Wait time
3.96
Bedside manner
4.93
Your trust is our top concern, so providers can't pay to alter or remove reviews. We also don't publish reviews that contain any private patient health information. Learn more here
384 reviews
Most relevant
I really appreciated the time Dr. Xenos spent, as well as his bedside manner. I also really enjoyed his assistant.
August 1, 2025Pamela J.Verified patient
I made an appointment with Dr. Xenos and never saw Dr Xenos so I cannot review him. I was very disappointed!
August 20, 2025Margaret M.Verified patient
Friendly and welcoming office staff. Dr Xenos and staff listen to my concerns and clearly explain treatment plan
July 17, 2025Linda G.Verified patient
Dr. Xenos came highly recommend by a friend. I was not disappointed!
December 10, 2025Kimberlee C.Verified patient
It has always been enjoying .He is fun to talk to.Takes his time with you. When someone asks about him I say go he is great.
January 22, 2016Susan S.Verified patient
HE WAS VERY NICE AND KNOWLEDGEABLE. DID NOT RECOMMEND UNNECESSARY TREATMENT OR PROCEDURES. WOULD GLADLY REFER HIM TO OTHERS.
More than 1 year agoInitials hidden
My first visit was very pleasant. I liked the doctor a lot
January 14, 2026Lilia Z.Verified patient
Excellent team- very organized - felt very good about procedure coming up- these people know what there doing and it shows
September 27, 2016Ray O.Verified patient
Very efficient office. Positive and engaging staff. Dr. Xenos clearly communicated my diagnosis and treatment options.
June 29, 2021James B.Verified patient
You may have a wait some days but it 's well worth it! When it's your time you get all the time and attention you need!
December 2, 2015Donna C.Verified patient
Wow, not at your best today. Feeling rushed after a horribly long wait. AND didn't get to see Dr. Feeling frustrated.
August 29, 2017Margaret H.Verified patient
Great. Follow-up appointment was prompt, professional, courteous and received helpful information regarding recovery.
More than 1 year agoInitials hidden
It was a great visit, felt very comfortable and well taken care of. The only issue was the wait of over 1hr to get in
April 14, 2017Cecilia S.Verified patient
Booking an appointment to see him 10 minutes after someone else's time and then waiting over 21/2 hours is a joke.
March 14, 2017Bruce L.Verified patient
Best doctor ever. Kind, compassionate and highly skilled. I would recommend Dr. Xenos without reservation.
October 22, 2022Karen M.Verified patient
Answered every question we had, felt comfortable and welcomed by everyone in the office! Dr Xenos was wonderful
February 23, 2017Paula L.Verified patient
He was great! Took time to explain and gave us options. Had great bed side manner. Would definitely recommend.
May 7, 2018Ralinda R.Verified patient
Dr. was nice but I waited almost two hours for an appointment that only took 10 minutes once I saw the doctor.
More than 1 year agoInitials hidden
Dr. Xenos is incredible! Very relatable and listens to my concerns and thoughts about my visit.
October 5, 2023Jolene W.Verified patient
I think Dr. Xenos is an excellent doctor he takes the time to hear what is wrong and has the right diagnosis.
January 27, 2017William S.Verified patient
Dr. Xenos is an Ivy League doctor with a successful joint replacement track record that speaks for itself.
April 28, 2015Jay L.Verified patient
Very caring and easy yo get along with. Haven't had the surgery yet but meeting with him has been great
June 29, 2017Sheila S.Verified patient
The visit was good, but I waited way too long from the time I checked in until I was seen by the doctor
September 22, 2015Harold(les) M.Verified patient
Dr. Xenos and the staff at his office are the best at everything they do. I'm blessed to have found them.
More than 1 year agoDoug L.Verified patient
He's wonderful to work with. Very knowledgeable & great listener.
February 11, 2025Crystal M.Verified patient
Extremely knowledgeable, great communicator and listener.
April 26, 2025Susan W.Verified patient
More like a friend than a Doctor, Love him, He did two knee and one hip reolacement in one year.
January 29, 2015Gerald H.Verified patient
Excellent, he put me at ease, and I felt more confident about the knee replacement surgery.
July 25, 2014James S.Verified patient
Very personable. Makes you feel very comfortable, like you have known him for a long time.
More than 1 year agoInitials hidden
Am so thrilled with my knees. Dr. Xenos takes the time with you and is always so positive..
June 16, 2015Nancy D.Verified patient
Excellent doc with a great bedside manner and friendly staff. I highly recommend him.
March 8, 2016Aaron S.Verified patient
Efficient delivery of service. Great explanations as to diagnosis and treatment plan.
April 13, 2017Bayard B.Verified patient
Immediately put me at ease!
Very professional and honest!
Would highly reccomend!
November 3, 2015Deb N.Verified patient
I had been pt five years ago; so naturally I returned when other problems developed
May 2, 2019Barbara P.Verified patient
Once I got seen, I was very pleased with his manner, information, and expertise.
April 14, 2017Pamela H.Verified patient
Dr. Xenos was happy to help me and provided me with the assistance the VA denied.
More than 1 year agoAndrew K.Verified patient
Best orthopedic surgeon in the state!! Replaced both knees and right hip.
July 3, 2022Penny C.Verified patient
Very professionally, friendly visit. Made me very comfortable with everything.
August 10, 2017Jade B.Verified patient
He is such a nice doctor. I loved the vibes I got from his staff and from him.
September 29, 2015Lynne N.Verified patient
I feel very confident in Dr. Xenos and have no fears in my hip replacement.
April 22, 2017Gary A.Verified patient
Great experience. Would go back in heart beat if needed extra care.
March 19, 2023Allard V.Verified patient
good visit with PA and doctor but had an hour wait to see doctor
More than 1 year agoInitials hidden
Doctor and staff are very caring and listened to and addressed my needs.
October 9, 2021Frances E.Verified patient
It was good , he answered all questions and I forgot to ask a few more..
December 10, 2015Ilene R.Verified patient
too long of wait, not enough time for all questions
February 17, 2024Michael D.Verified patient
I only spoke with him briefly. The PA did most of the consultation.
November 21, 2013Jeffrey J.Verified patient
Dr. Xenos was very professional!! He has a great sense of humor!!!
January 29, 2014Stephanie R.Verified patient
Everyone was professional and informative. Would highly recommend!
June 12, 2018Theresa G.Verified patient
Very personable ! Too bad I had to wait over 2 hours to see him.
June 11, 2015Initials hidden
Dr. X is great: personable and caring, and this is just pre-op!
January 21, 2015Tori M.Verified patient
Loading...
How soon can I make an appointment with Dr. John Xenos?
Generally, Dr. John Xenos has appointments available on Zocdoc within 1 week. You can see Dr. Xenos's earliest availability on Zocdoc and make an appointment online.
Is Dr. John Xenos accepting new patients?
Dr. John Xenos generally accepts new patients on Zocdoc. You can see Dr. Xenos's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. John Xenos accept my insurance?
Choose your insurance plan to verify if Dr. Xenos is in-network.
Can I make an appointment with Dr. John Xenos online?
Yes, you can make an appointment online with Dr. Xenos using Zocdoc. It’s simple, secure, and free.
Which hospital is Dr. John Xenos affiliated with?
Dr. John Xenos is affiliated with Sky Ridge Medical Center and Castle Rock Adventist Hospital.
What practice does Dr. John Xenos work with?
Dr. John Xenos works with Colorado Orthopaedics.
Where is Dr. John Xenos's office located?
Dr. John Xenos has 2 office locations, including in Lone Tree and Colorado Springs, view full addresses on Dr. Xenos's profile.
Which board certifications does Dr. John Xenos have?
Dr. John Xenos is certified by American Board of Orthopaedic Surgery.
What are common reasons for patients to see Dr. John Xenos?
Dr. John Xenos frequently sees patients for Arthritis, Orthopedic Consultation, Sports Injury, Surgery Consultation, and X-ray. You can see other visit reasons for Dr. John Xenos on their profile.
What languages does Dr. John Xenos speak?
Dr. John Xenos speaks English.
How do patients rate Dr. John Xenos in reviews?
384 patients have reviewed Dr. John Xenos. The overall rating for this doctor is 4.91/5. They have a 4.93/5 rating for bedside manner and a 3.96/5 rating for wait time. You can read individual reviews and ratings on their profile.