Skip to content
ONS has transitioned to a new Electronic Medical Record (EMR) system, Modernizing Medicine. Please visit the Patient Portal to learn more. ONS Patient Portal
home Orthopaedic Neurosurgery Specialists Orthopaedic Neurosurgery Specialists
Schedule Appointment Call
(203) 869-1145
  • Find a Doctor
  • Locations
  • Same-Day Urgent Care
Schedule Appointment OR CALL (203) 869-1145
  • About ONS
    • ONS Advantage
    • Our Physicians
    • Non-Discrimination Policy
    • Patient Testimonials
      • Orthopedics
      • Sports Medicine
      • Spine
      • Physical Therapy
    • Leadership
    • The ONS Foundation for Clinical Research and Education
  • Specialties
    • Orthopedics
      • Shoulder
      • Elbow
      • Hand & Wrist
      • Hip
      • Knee
      • Foot & Ankle
    • Sports Medicine
      • Sports Medicine
      • Sports Concussion
    • Joint Replacement
      • OUTPATIENT JOINT REPLACEMENT
      • KNEE REPLACEMENT
      • HIP REPLACEMENT
      • SHOULDER REPLACEMENT
    • Physiatry
    • Neurosurgery
    • Spine
    • Rheumatology
    • PHYSICAL THERAPY
  • Locations
    • Greenwich
    • Stamford
    • Harrison
    • Wilton
    • Danbury
    • MRI
    • Stamford ASC
  • Resources
    • Insurance
      • Participating Insurances
      • No-surprise Billing Patient Rights
    • Patient Education
      • Patient Recovery Resources
      • Pre-Op and Post-Op Instructions
      • Therapeutic Exercises
      • Seminar Presentations
      • Videos
      • Webinars
    • Events Calendar
    • Telehealth
    • HIPAA Privacy Policy
    • Request Medical Records
    • ONS Blog
  • Patient Self Service
    • Self-Schedule An Appointment
    • Patient Portal
    • Forms
    • Request Medical Records
    • Online Bill Pay
    • Prescriptions
  • Contact Us

Find a doctor

    • Paul Apostolides, MD
    • Frank J. Aversano, MD
    • Jonathan L. Berliner, MD
    • David Bomback, MD
    • Mark H. Camel, MD
    • Matthew B. Cantlon, MD
    • Kevin J. Choo, MD
    • Michael R. Clain, MD
    • James G. Cunningham, MD
    • Demetris Delos, MD
    • Frank A Ennis, MD
    • Amory J. Fiore, MD
    • Megan M. Gleason, MD
    • Benjamin Greene, MD
    • Tim Greene, MD
    • Jeffrey Heftler, MD
    • Steven E. Hindman, MD
    • Brian F. Kavanagh, MD
    • Tamar Kessel, MD
    • Marc S. Kowalsky, MD
    • David L. Kramer, MD
    • Melissa LaRusso, DO
    • Alex Levchenko, DO
    • Arthur Manoli III, MD
    • Seth R. Miller, MD
    • Marc Otten, MD
    • Andrew Pao, MD
    • Christopher S. Sahler, MD
    • Paul M. Sethi, MD
    • Scott L. Simon, MD
    • Gary Solomon, MD
    • Paul M. Tomaszewski, MD, MS
    • Katherine B. Vadasdi, MD
    • Mark A. Vitale, MD, MPH
    • David Wei, MD, MS
    • Danbury
    • Greenwich
    • Harrison
    • Stamford
    • Wilton
    • Elbow
    • Foot & Ankle
    • Hand & Wrist
    • Hip
    • Joint Replacement
    • Knee
    • Rheumatology
    • Shoulder
    • Spine
  • Follow us on Facebook
  • Follow us on instagram
  • Follow us on twitter
  • Follow us on linkedin

What We Believe

Our practice is committed to providing the highest standard of orthopedic and neurosurgical care through professional collaboration and compassion for our patients. We strive to exceed our patients’ expectations by delivering superior personalized care for the best possible outcome.

With 25 sub-specialty trained physicians in orthopedics, neurosurgery, sports medicine, and physical medicine/rehabilitation, ONS in Greenwich and Stamford, CT, and Harrison, NY is a leader in medical research and innovation in the region.

ONS physicians are ranked among the best in the country. They have excelled at the premier medical schools and fellowship programs in the United States and are hand-picked for their elite level of training and expertise. We encourage anyone with an orthopedic or spine condition to compare our physicians’ backgrounds to their counterparts anywhere.

Schedule Appointment Call
(203) 869-1145
home Orthopaedic Neurosurgery Specialists
  • ONS Blog
  • Pay My Bill
  • Careers
  • ONS Leadership

Social

  • Follow us on Facebook
  • Follow us on instagram
  • Follow us on twitter
  • Follow us on linkedin

©2023 Orthopaedic Neurosurgery Specialists

  • Privacy Policy