Accessibility Tools
Hide
Dr. Kowalsky profile picture
Meet The Surgeon

Dr. Kowalsky is a board certified orthopedic surgeon specializing in Shoulder, Elbow & Sports Medicine

Dr. Marc Kowalsky is a board-certified orthopedic surgeon specializing in Sports Medicine and Shoulder & Elbow Surgery, practicing at the ONS offices in Greenwich, Harrison, and Stamford. After completing residency training at Columbia University Medical Center / New York Orthopaedic Hospital, he received fellowship training both in Sports Medicine at Lenox Hill Hospital / Nicholas Institute for Sports Medicine & Athletic Research, and in Shoulder & Elbow Surgery at Washington University School of Medicine.

About Dr. Kowalsky
Book an Appointment
Awards
Top Doctors
Top Doctor - Award
Top Doctor
2022 - Present
Top Doctor - Award 2
Top Doctor
2022 - Present
Top Doctor - Award 3
Top Doctor
2022 - Present
Top Doctor - Award 4
Top Doctor
2022 - Present
Team
Affiliations
USA Rugby - Team
USA Rugby
White Plains Rugby Club - Team
White Plains Rugby Club
Fairfield University Rugby Club - Team
Fairfield University Rugby Club
Eastern FC - Team
Eastern FC
Ardsley High School - Team
Ardsley High School
Latest Articles
News & Blog
View All News
  • How Knee Surgery Helped Elizabeth Return to the Outdoors

    Elizabeth describes herself as an outdoor junkie, eager to tackle activities like trail running, rock climbing, horseback riding, alpine touring, competitive sailing, and more. According to Elizabeth, the outdoors are where she finds peace...

    Read More on news & blog page
  • What to Know about Shoulder Replacements

    Shoulder arthritis and severe rotator cuff damage can lead to chronic pain and limited mobility. In this Q&A, ONS sports medicine and shoulder surgeon Dr. Marc Kowalsky discusses how modern shoulder replacement techniques...

    Read More on news & blog page
  • Key Takeaways from Dr. Kowalsky’s 2024 USA Rugby Tour Experience

    I have served as a team physician for USA Rugby since 2013, traveling once or twice a year with the team during their tours domestically and internationally for test match competition. I view each tour as an opportunity to learn about...

    Read More on news & blog page

  • Dr. Kowalsky was the best surgeon and doctor I have had the fortune of being with. He is intelligent, caring, ...

    Poor
    Fair
    Good
    Very Good
    Excellent

    ~ W G ~

  • I visited Dr. Kowalsky at ONS after receiving terrible care and undergoing a poorly performed surgery with ano...

    Poor
    Fair
    Good
    Very Good
    Excellent

    ~ C B ~

  • Dr Kowalsky handled my complex arm/shoulder surgery. Dr K took the time to explain the surgery from the start ...

    Poor
    Fair
    Good
    Very Good
    Excellent

    ~ V P ~

  • From my very first visit I was very impressed with Dr. K. He made me feel very comfortable and gave me all the...

    Poor
    Fair
    Good
    Very Good
    Excellent

    ~ V P ~

  • Dr Kowalsky is an excellent surgeon. His communication skills are superb. He takes the time, to explain everyt...

    Poor
    Fair
    Good
    Very Good
    Excellent

    ~ V P ~

  • Dr Kowalsky has advised both me and my husband over 10 years. He has been wonderfully professional and dedicat...

    Poor
    Fair
    Good
    Very Good
    Excellent

    ~ V P ~

  • Doctor Kowalski is a fantastic surgeon and a super guy. He was thorough and caring in all aspects, pre and pos...

    Poor
    Fair
    Good
    Very Good
    Excellent

    ~ V P ~

  • Dr. Kowalsky is outstanding at what he does. He fixed a torn tendon, burcitus and a bone spur for me. He was g...

    Poor
    Fair
    Good
    Very Good
    Excellent

    ~ V P ~

  • I had rotator cuff surgery with 100% success. Dr. Kowalsky spends as much time as needed with no rushing on of...

    Poor
    Fair
    Good
    Very Good
    Excellent

    ~ V P ~

  • Dr Kowalsky and his staff are true professionals. From the first time I was in his office, thru my surgery and...

    Poor
    Fair
    Good
    Very Good
    Excellent

    ~ V P ~

Featured Videos
In the Media
Watch All Videos
  • In the Media - Video
  • In the Media - Video 2
Follow Dr. Kowalsky on
Social Media
Instagram - Social Media Instagram
Facebook - Social Media Facebook
Linked In - Social Media Linked In
Twitter - Social Media Twitter
Threads - Social Media Threads