ONS has transitioned to a new Electronic Medical Record (EMR) system, Modernizing Medicine. Please visit the Patient Portal to learn more.
ONS Patient Portal

Dr. Vadasdi Receives Award
Dr. Katherine Vadasdi was honored by the Greenwich YWCA with a 2019 Women Who Inspire Award ...

Dr. Delos on WFAN
On Sunday, January 6, orthopedic surgeon and sports medicine specialist, Dr. Demetris Delos, was the featured ...

ONS Turns 20!
THE ONS STORY This month, Orthopaedic and Neurosurgery Specialists, PC (ONS) entered its 20th year ...

Dr. Marc Kowalsky Headed to International Tournament
ONS Sports Medicine expert, Dr. Marc Kowalsky, will serve as team physician for the USA ...

ONS is Proud to Sponsor Kid’s Race & Local Charities
Come see us this Saturday at the ONS Westchester Kid’s Race at the Westchester ...

Dr. Vadasdi: Mom of the Week
In case you missed it, Dr. Katherine Vadasdi was profiled as the “Mom of the ...



ONS Shoulder Surgeon Katherine B. Vadasdi, MD, is Published
STUDY FINDS SUCCESS IN TREATMENT FOR FROZEN SHOULDER. Promising results of a new study ...