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Dr. Demetris Delos, MD

Dr. Demetris Delos, MD

Orthopedic Surgeon
6 Greenwich Office Park, Greenwich, CT
4.97
“Excellent service. Highly organized. Simple. No wait. Efficient service. ONS is highly recommended. ”
Allie R.September 18, 2025
Highly recommended
97% of patients gave this doctor 5 stars
Excellent wait time
100% of patients waited less than 30 minutes
New patient appointments
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Available appointments

Today, Apr 2 – Wed, Apr 15
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What patients are saying

Overall rating

4.97

Average wait time

5.00

Bedside manner

5.00
“Excellent service. Highly organized. Simple. No wait. Efficient service. ONS is highly recommended. ”
Allie R.September 18, 2025

About Dr. Demetris Delos

Demetris Delos, MD is a fellowship trained, board-certified orthopedic surgeon who specializes in knee, shoulder and elbow conditions. He is a nationally recognized leader in sports medicine and knee and shoulder surgery. Dr. Delos has over 30 peer-reviewed articles and more than 50 national and international presentations. He has authored or co-authored more than five textbook chapters. Dr. Delos has a particular interest in minimally invasive methods of shoulder surgery and complex knee preservation surgery, including revision surgery for torn ligaments, meniscal and cartilage transplantation, and joint replacement (both partial and total). He has a particular interest in biologic forms of treatment, such as platelet rich plasma (PRP) and stem cell therapy, and has conducted seminal research on the topic. As an athlete whose playing career was affected by a serious knee injury, Dr. Delos works with competitive athletes and weekend warriors to help them achieve their goal of returning to the highest levels of activity possible. He has extensive experience caring for athletes of all competitive levels, including professional, college and high school athletes. He is a former assistant orthopaedic surgeon for the NY Giants Football team and is currently the team physician for the Purchase College Athletic Department and the Westchester Flames semi-professional soccer team. Dr. Delos also serves as a team physician for many local high schools, including Byram Hills High School, Greenwich High School, Iona Prep and Manhattanville College. Dr. Delos earned his medical degree from Weill Medical College of Cornell University and completed his orthopaedic residency at Hospital for Special Surgery (HSS)/New York-Presbyterian Hospital. He completed a research fellowship at the HSS Laboratory for Soft Tissue Research as well as a surgical fellowship in Sports Medicine and Shoulder Surgery at HSS, where he was Chief Administrative Fellow.

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In-network insurances

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Areas of expertise

This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
Rotator cuff injury
Bursitis
Pain in joint
Joint injury due to trauma
Arthritis
Knee joint injury
Rotator cuff injury
Bursitis
Pain in joint
Joint injury due to trauma

Office locations

ONS - Orthopaedic & Neurosurgery Specialists (1 of 2)
6 Greenwich Office Park, Greenwich, CT 06831
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ONS - Orthopaedic & Neurosurgery Specialists (2 of 2)
5 High Ridge Park, 3rd Fl, Stamford, CT 06905
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1 of 2

Education and background

Practice names

Board certifications

  • American Board of Orthopaedic Surgery

Education and training

  • Medical School - Cornell University, New York Campus, Doctor of Medicine
  • Hospital for Special Surgery, Residency in Orthopedic Surgery
  • Hospital for Special Surgery, Fellowship in Sports Medicine and Shoulder Surgery

Professional memberships

  • American Academy of Orthopaedic Surgeons
  • American Orthopaedic Society for Sports Medicine
  • Arthroscopy Association of North America
  • Orthopaedic Research Society

Awards and publications

  • Castle Connolly Top Doctor
  • Castle Connolly Top Doctor in the NY Metro area, 2021-Present
  • Greenwich Magazine, Top Doctor in Fairfield County, 2021-Present

Languages spoken

  • English

Provider's gender

Male

NPI number

1528225414

Patient reviews

All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.97
Wait time
5.00
Bedside manner
5.00
Trust Banner Shield
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36 reviews
Most relevant
Excellent service. Highly organized. Simple. No wait. Efficient service. ONS is highly recommended.
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My experience was excellent ?
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Frequently asked questions

How soon can I make an appointment with Dr. Demetris Delos?

Generally, Dr. Demetris Delos has appointments available on Zocdoc within 1 week. You can see Dr. Delos's earliest availability on Zocdoc and make an appointment online.

Is Dr. Demetris Delos accepting new patients?

Dr. Demetris Delos generally accepts new patients on Zocdoc. You can see Dr. Delos's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. Demetris Delos accept my insurance?

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Can I make an appointment with Dr. Demetris Delos online?

Yes, you can make an appointment online with Dr. Delos using Zocdoc. It’s simple, secure, and free.

What practice does Dr. Demetris Delos work with?

Where is Dr. Demetris Delos's office located?

Dr. Demetris Delos has 2 office locations, including in Stamford and Greenwich, view full addresses on Dr. Delos's profile.

Which board certifications does Dr. Demetris Delos have?

Dr. Demetris Delos is certified by American Board of Orthopaedic Surgery.

What are common reasons for patients to see Dr. Demetris Delos?

Dr. Demetris Delos frequently sees patients for Anterior Cruciate Ligament (ACL) Injury, Knee Pain, Knee Problems, Shoulder Pain, and Shoulder Problem. You can see other visit reasons for Dr. Demetris Delos on their profile.

What languages does Dr. Demetris Delos speak?

Dr. Demetris Delos speaks English.

How do patients rate Dr. Demetris Delos in reviews?

36 patients have reviewed Dr. Demetris Delos. The overall rating for this doctor is 4.97/5. They have a 5/5 rating for bedside manner and a 5/5 rating for wait time. You can read individual reviews and ratings on their profile.

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Zocdoc›Stamford, CT Orthopedic Surgeons›Dr. Demetris Delos, MD