Welcome to Connecticut Orthopaedic Society

The Connecticut Orthopaedic Society represents over 240 orthopaedic surgeons in Connecticut - and their patients. The primary activities of this organization are designed to promote public knowledge of orthopaedic medicine, to assure professional development of orthopaedic physicians for the benefit of the general public, and to foster contribution of medical expertise and information regarding orthopaedic medicine for the public good.

2018 Annual Meeting Highlights

photo1resident2018withhakimThe Society hosted over 140 orthopaedic surgeons, Physician Assistants and Yale and UConn orthopaedic residents at the COS Annual Meeting held on May 11, 2018, in Farmington, CT. 

Special thanks to Dr. Michael Kaplan, MD, Meeting Program Director, for his leadership, commitment and dedication to organizing a relevant and robust, CME accredited program for all members and guests.

More about the COS Annual Meeting 2018 >


Michael Baumgaertner, MD Receives 2018 Orthopaedist of the Year


The award was presented and accepted by his colleague and nominator, Gary Friedlaender, MD during the Society’s Annual Meeting on May 11, 2018. He joins 23 outstanding Connecticut Orthopaedists who have received the highest honor since the award’s inception in 1995.

More about the 2018 Orthopaedist of the Year >



Humanitarian Award Presented to Todd Mailly, MD

photo5greenmaillyhakimDr. Todd Mailly was the recipient of the inaugural COS Humanitarian Service Award. The award was presented to him by his colleague and nominator, Robert Green, MD during the Society’s Annual Meeting on May 11, 2018. He was recognized for his years of service and care to the people of Haiti and his volunteer service with Healthy Volunteers Overseas.

More about the 2018 Humanitarian Award Recipient >


COS Members – Renew Today for 2018 Benefits

The Connecticut Orthopaedic Society leads and represents all orthopaedic surgeons in our State.  It is important for every surgeon to join with your colleagues to ensure the Society speaks with a loud, clear and strong voice when we are involved in legislative, regulatory and insurance discussions affecting your practice and your profession.  Our voluntary efforts depend on your involvement and membership dues.  The COS delivers value to its members at a low annual membership fee of $295.00, which includes attendance at the Annual Meeting with CME credits.

FREE in 2018 to all COS Dues Paid Members

OrthoEvidence Logo

All dues paid members will receive a FREE one year subscription to OrthoEvidence,  a global online source for high quality and timely Orthopaedic-only evidence-based summaries, pre-appraised by Orthopaedic medical community members (savings of over $100.00).

Your continued involvement will enable us to project a strong, unified voice on state and national issues in 2017. We need each of you to renew your dues, recruit new colleagues to join, and take an active part in the political and legislative process that impacts the future of our profession. The COS is the ONLY in-state organization working diligently to be the collective representative for orthopaedists.

More about Membership benefits >
Renew Membership today >

How to Join COS

Join hundreds of your colleagues by applying for membership in the Society. Application is easy and your membership provides you with representation at the state and federal legislative and regulatory arenas, free CME and no registration fee for the popular COS Annual Meeting, reduced rate on practice workshops for you and your staff, savings on credit card processing for your practice and so much more. Click here for new member application. If you have any questions, please email us at This email address is being protected from spambots. You need JavaScript enabled to view it..


New Services for Members at a Savings

529 Group Plan for You & Your Employees – No Upfront Sales Charge – click for details.
Save Money on Your Practice’s Credit Card Fees – Obtain a no obligation, free analysis today



Please join your colleagues in supporting the future training of the next generations of orthopaedic surgeons by making a contribution to the Connecticut Orthopaedic Foundation.  Your tax-deductible gift will help make a difference and will allow us to continue the tradition that began since the organization’s inception. GIVE NOW!

More about the Foundation >


The listing of orthopaedic surgeons and orthopaedic physician assistants include all current*, active members of the Society. (*current year dues paid)

Find A Surgeon Now >