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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.**

09/19/2025

One year follow-up for our awesome patient, who tore his ACL while grappling. While we weren’t able to perform a primary repair, we were able to preserve much of his native tissue during a reconstruction. We recently saw him for his one year follow up. His Lachmeter testing shows just a 0.02 mm difference between his surgical and non-surgical leg, an incredible result! 💪 He’s doing awesome, and showing what’s possible when we prioritize preservation + precision.

09/15/2025

Fantastic close to last week and a weekend that couldn’t have started any better. We wrapped up three ACLs on Friday—two primary repairs and one with augmentation—then capped the evening with an absolutely magical bluegrass performance at the Beacon Theatre with Alison Krauss and Union Station. These musicians are truly at the pinnacle of talent. If you haven’t given them a listen, I highly recommend it! Drop a comment if you’re a fan too. Here’s to carrying that energy into the new week—hope yours is off to a great start!

09/04/2025

One year out! This patient returned for his one year follow up after an ACL Primary Repair with autograft quadriceps augmentation. He’s already back at shortstop! Wishing him the best of luck this year!

09/01/2025

Happy Labor Day! Today, we honor the hard work and dedication of everyone in our community. Stay safe and healthy!

08/28/2025

Three years out from Right knee ACL Primary Repair, with MCL and meniscus repairs, and one year out from Left knee ACL Primary Repair with autograft quadriceps augmentation. Though he’s retired from basketball, he had has returned to all activities without issue!

08/26/2025

Nine months out from an anatomic, biologic, ACL Primary Repair with ActivBraid and BEAR augmentation, medial & lateral meniscus repairs, lateral extra-articular tenodesis… and she’s already cleared to fly high again. Next stop: Penn State Cheer!

08/13/2025

After ACL Primary Repair, this active dad, snowboarder, and volleyball player is back in action. Hear him share how he tackled recovery and reclaimed his busy, adventure-filled life!

08/08/2025

Two years after ACL Primary Repair and back to peak form. Two full ski seasons under her belt, moguls, powder, you name it, and her knee feels 95% perfect. No limits. No issues. 💪

08/01/2025

Just 3 months after ACL Primary Repair, but she was already back to yoga by 6 weeks! Swipe to see her showing us child’s pose with ease. Her surgical scars? She says they’re smaller than the ones from a childhood fall on her other knee! Resilience. Healing. Movement. 💪

07/30/2025

ACL injuries might not always run in families, but resilience clearly does. This incredible brother–sister duo is proving what a strong mindset can do. He’s 2 years out from an ACL Primary Repair and back playing college football. She’s 1 year out from ACL Primary Repair with Augmentation and heading into her senior year playing soccer.

And Vinnie? No ACL injury here, just the team mascot and emotional support MVP. Proud to be part of their journeys. Onward and upward.

07/28/2025

A perfect final case to close out the rotation for our visiting researchers from Austria 🇦🇹. Now that’s a textbook Type I tear! Huge thanks to and for their dedication and tireless contributions to the ongoing research. Your attention to detail has not gone unnoticed and we’re excited to see the results of your efforts in a few upcoming publications. The future is bright for these two. Wishing you both a safe journey home. Gute Reise! ✈️

07/23/2025

Comeback Alert! We’re celebrating the incredible recovery of our rockstar 22-year-old patient who recently crushed some major milestones:
🏃‍♀️ Ran a half marathon at just 11 months post-op
🥾 Summited Mount Washington on the 1-year anniversary of her ACL repair

Her journey started with a mid-substance ACL tear from a skiing injury. Timing wasn’t right for surgery at first, and during that delay, her ACL began to heal. When it was finally time, I was able to dissect the healing ligament off the PCL and reattach it to its native footprint, no graft needed.

Today, her knees are completely symmetric in strength and stability and she’s back to living life at full speed. Total comeback. Total inspiration. 💪

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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