Orthopaedic and Neurosurgery Specialists

Orthopaedic and Neurosurgery Specialists ONS is an advanced, multi-specialty orthopedic and neurosurgery practice with locations in Greenwich, Stamford, Wilton, Danbury and Harrison.

With 26 sub-specialty trained physicians in orthopedics, neurosurgery, sports medicine and physical medicine/rehabilitation, ONS in Greenwich and Stamford, CT and in Harrison, NY is the most comprehensive practice of its kind in the region. ONS patients are matched to the physician specialist with the training and expertise to meet their specific needs:

ONS orthopedic surgeons diagnose and treat

the complete spectrum of musculoskeletal conditions from minor strains and stress fractures to degenerative arthritis. Our specialized physicians are leaders in their fields, experienced in the most advanced treatments and surgical procedures. Our Spine Center physicians are skilled in the latest advances for treating simple to complex disorders of the spine including minimally invasive spine surgery. ONS Sports Medicine physicians treat sports-related injuries in student, recreational and professional athletes. Our doctors have served as orthopedic consultants to many professional teams including the New York Mets and Los Angeles Dodgers. With on-site digital X-ray, state-of-the-art MRI in Greenwich and Stamford, interventional physiatry services and physical therapy & rehabilitation center, ONS provides the continuum of care from diagnosis through recovery.

Happy Independence Day! In observance of the holiday, all ONS offices will be closed on Friday, July 3, 2026 and Saturda...
07/02/2026

Happy Independence Day! In observance of the holiday, all ONS offices will be closed on Friday, July 3, 2026 and Saturday, July 4, 2026.

07/01/2026

Does spine surgery always mean a long recovery? Dr. Robert Merrill, spine surgeon at ONS, explains why many modern spine procedures are less invasive than patients expect, and what recovery can really look like. Learn more about Dr. Merrill: https://ow.ly/qg7u50ZiS48

Urgent Ortho Care will be unavailable in Wilton on Tuesday, June 30. For urgent orthopedic needs, please visit our Green...
06/30/2026

Urgent Ortho Care will be unavailable in Wilton on Tuesday, June 30. For urgent orthopedic needs, please visit our Greenwich location.

We are proud to see the great care ONS physicians Drs. Paul Sethi, Tim Greene, and Jordan Pasternack provided to support...
06/29/2026

We are proud to see the great care ONS physicians Drs. Paul Sethi, Tim Greene, and Jordan Pasternack provided to support Xander in his journey to get back to the field. Watch the full story:

On September 14, 2025, everything changed.Just before halftime of...

06/25/2026

Dr. Michael Held, hip and knee replacement surgeon at ONS, recently joined AM1490 WGCH Greenwich on air to discuss supporting the Greenwich community and how a patient-centered approach starts with listening and building a care plan tailored to each individual.

Wishing a happy, healthy, and fun Father’s Day to dads everywhere and the people who love them!
06/21/2026

Wishing a happy, healthy, and fun Father’s Day to dads everywhere and the people who love them!

Happy Juneteenth! Today we commemorate the end of slavery in the United States, celebrate freedom, and reflect on our pa...
06/19/2026

Happy Juneteenth! Today we commemorate the end of slavery in the United States, celebrate freedom, and reflect on our past and the progress we’ve made.

06/18/2026

Nothing is more important than choosing care you can trust. Shoulder surgeon Dr. Seth Miller explains how elite training and a uniquely collaborative approach help ONS ensure exceptional care and a patient-centered experience that sets them apart. Learn more about ONS: https://ow.ly/HpAr50ZekTE

Tune in to AM1490 WGCH Greenwich on Monday, Jun 15 at 9:20am EST to hear Dr. Michael Held, hip and knee replacement surg...
06/12/2026

Tune in to AM1490 WGCH Greenwich on Monday, Jun 15 at 9:20am EST to hear Dr. Michael Held, hip and knee replacement surgeon at ONS, discuss serving the Greenwich community with a patient-centered approach and care plans tailored to each individual’s needs and goals.

06/11/2026

Are you considering ankle replacement surgery? Dr. Jordan B. Pasternack, foot and ankle surgeon at ONS, explains how total ankle replacement works, and what patients can expect during recovery. Learn more about Dr. Pasternack: https://ow.ly/rWpT50ZaaB8

Address

6 Greenwich Office Park, 40 Valley Drive
Greenwich, CT
06831

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8:30am - 5pm
Friday 8am - 5pm

Telephone

+12038691145

Website

Alerts

Be the first to know and let us send you an email when Orthopaedic and Neurosurgery Specialists posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Practice

Send a message to Orthopaedic and Neurosurgery Specialists:

Shortcuts

Share

Category