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Monday 9am - 5pm Tuesday 9am - 5pm Wednesday 9am - 5pm Thursday 9am - 5pm Friday 9am - 5pm

Gregory S DiFelice, MD

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Gregory S DiFelice, MD

Dr. Gregory S.

DiFelice, an Orthopaedic Surgeon specializing in Sports Traumatology and Joint Reconstruction Surgery.

**The views expressed in my posts are my own & don’t represent HSS.**

02/18/2026

Back in my happy place… the mountains 🏔️🎿⛷️

This time surrounded by the unreal beauty of Banff. Crisp air, endless peaks, and that quiet reminder of why we do what we do.

02/17/2026

🎸 We’re holding the line.

ACL preservation. Research. Innovation.
That’s what this night is about. Friday, March 6, 7-10 PM at the

Music with a mission.
Science with soul.

Get your tickets now! Link in bio.

02/13/2026

Closing out the week the right way. One year after ACL primary repair and doing fantastic. Stable knee. Full confidence. Back to what matters 💪

02/12/2026

Some nights in the OR.
Some nights on stage.

Both are about preservation.

The supports ongoing research in ligament preservation and advances the science of ACL primary repair. Every study funded and every research fellow trained pushes the field forward.

When Dr. D and the Repaired Men hit the stage, it is more than music. It is community. It is patients, colleagues, and supporters coming together to invest in the future of orthopaedics.

Get your tickets for our annual benefit concert on Friday, March 6, 2026.
Link in the bio.

02/10/2026

Thirty years ago, I remember sitting in the call room with my fellow residents talking about how physicians were a lot like professional athletes. We trained relentlessly to perform at the highest level, but when it came to contracts, career strategy, branding, or long term planning, we were mostly on our own.
Life moved fast. Training ended, practices grew, responsibilities multiplied, and those conversations faded into the background.
Then, decades later, I got a call from , a colleague, friend, and at one point a resident under me. He told me about a new idea called MDEnvoy, built around the belief that physicians deserve the same level of strategic support that elite athletes receive. When he asked if I would join the Founders 100, I did not hesitate.
Proud to be part of this effort alongside legendary sports agent Leigh Steinberg and a group of physicians committed to rethinking how careers in medicine are supported, protected, and guided for the long term.
Excited to see where this goes. Join us in trying to level the playing field for all physicians.

02/05/2026

Had the honor of being an invited guest at the biannual ACL Study Group meeting in Foz do Iguaçu, an exclusive, members-only multinational forum that brings together world-leading ACL surgeons. These meetings are where assumptions are challenged, data is debated, and real progress is made in how we care for patients.

I was privileged to present our minimum 10-year survival rates, along with clinical and radiologic outcomes following contemporary ACL primary repair. Long-term results matter, and this group sets the bar for thoughtful, evidence-driven discussion.

Grateful for the opportunity to collaborate in such a remarkable setting, and especially to spend time with my colleagues from HSS, Drs. Danyal Nawabi, Andrew Pearle, and Carl Imhauser.

02/02/2026

Five ACLs in two days.
Before and after. All skiers.

Type II tear.
Type 5b tear.
Type II tear with a flipped PL bundle.
Another Type II with a flipped PL bundle.
And a Type I tear.

Five acute injuries. Five acute surgeries. Five primary ACL repairs.

Techniques included anatomic biologic ACL repair with Activbraid suture augmentation for the first, fourth, and fifth cases, arthroscopic fracture fixation for the second, and anatomic biologic repair with BEAR augmentation for the third.

A pretty good way to close out last week in the OR before heading to Brazil to present our long-term outcomes to the International ACL Study Group.

Preservation matters. And the data keep growing.

01/27/2026

Good music. Good people. A great night ahead.

The Fourth Annual Benefit Concert is coming up, and this is a little preview of what you’ll hear. Come hang. Sing along. Have some fun. We’ll take care of the rest.

📅 03/06/2026 7-10 PM
📍
🎟️ Link in bio

01/21/2026

It’s happening. Friday March 6th, 2026, 7:00 - 10:00 PM at the 🎶 Tickets for the 4th Annual Benefit Concert are now live— link in bio.

This event is more than a great night of music. Every dollar raised goes directly toward advancing Preservation First® research, supporting innovation in ligament preservation, better outcomes, and the future of ACL care.

Good music. A great community. Real impact.
Join us and help move preservation forward.

01/15/2026

Two years out from ACL repair with BEAR® augmentation and thriving. She was our third BEAR patient, and seeing her do so well long-term is incredibly rewarding.

01/09/2026

Here we have a ski instructor in their mid 30s, just over three months after an ACL primary repair, feeling great and back on the slopes.

I am skiing this week in Whistler. My happy place. Playing in one to two feet of fresh snow. While riding the lift, I found myself next to another ski instructor in his mid 30s riding up with a friend.

They were talking about peptide injections for stubborn knee pain. That caught my attention. It turns out he had undergone a patellar tendon ACL reconstruction three years earlier and was still struggling with debilitating anterior knee pain.

I repair close to 90 percent of my skiers, with an approximate reinjury rate of one percent per year, or about five percent at five years post op.

Patellar tendon reconstruction typically requires nine to twelve months of recovery and carries a similar five percent reinjury rate at five years.

The difference is the morbidity. Conservative estimates suggest that 20 to 40 percent of these patients develop recalcitrant anterior knee pain, often with permanent difficulty kneeling.

Repair patients do not have anterior knee pain. They recover in a fraction of the time. And their failure rates are comparable to reconstruction.

Reconstruction for all is an antiquated approach. It should be replaced by a thoughtful, Preservation First™ approach.

Just because reconstruction works does not mean it is the best option.

01/08/2026

Nothing clears my head like a good ski day. There is something about carving turns that resets everything. Stress melts away. Perspective comes back. Some people meditate. I ski. Happy place unlocked ❄️⛷️

Address

523 East 72nd Street, 2nd Fl
New York, NY
10021

Opening Hours

Monday	9am - 5pm
Tuesday	9am - 5pm
Wednesday	9am - 5pm
Thursday	9am - 5pm
Friday	9am - 5pm

Telephone

+12126061844

Website

https://gregorysdifelicemd.com/contact-us/

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