Marc S. Kowalsky, MD

Stephen Giordano 

on Google

2 weeks ago

Awesome experience. So helpful, honest and informative. Glad too that Dr. K. Suggested the PT option ahead of going under the knife. 

Nishith Shah 

on Google

3 months ago

I had a nasty fall that resulted in a severe arm injury — a bone fracture(basically broken into two piece from single) and the crack generated through fractured extended down to my elbow during June of 2025. The accident left me with no functional movement from my arm to my wrist, with only limited motion and sensation in my fingers. I immediately reached out to a doctor friend, who recommended Dr. Marc Kowalsky at ONS. I contacted him right away, explained my injury, and secured an appointment for the very next day. From th... read more

Phyllis Milton 

on Google

5 months ago

Here I found an especially efficient and knowledgeable orthopedic doctor and group. I was confident I was in good hands for my recovery. 

Daniel A. Sabol 

on Google

5 months ago

Dr. Kowalsky, a highly intelligent and skilled surgeon, possesses an exceptional understanding of the shoulder. Despite the numerous challenges and disabilities I’ve faced, he demonstrated remarkable patience and empathy, which can be quite demanding at times. I genuinely appreciate Dr. Kowalsky’s care and attention to detail. It’s rare to encounter surgeons with such a profound knowledge of the human body and a courteous and respectful bedside manner.