Kai Mithoefer, MD

Kai Mithoefer, MD Dr. Mithoefer is board certified in both Orthopedic surgery and Orthopedic sports medicine. Dr Kai Mithoefer is an orthopedic surgeon in Waltham and Boston, MA.

Dr. Mithoefer is an internationally recognized specialist for sports medicine, joint preservation and regenerative orthopedics. He offers joint preservation surgery, regenerative orthopedics and sports medicine including trauma care for the shoulder and knee.

12/11/2025

Stay safe and enjoy the holidays with these tips!
❄️ Watch your step in icy areas.
Avoid activities that strain your joints.
Make sure to relax! Listen to your body and don’t overdo it.

12/09/2025

⛷️ After a ski accident, Tory came to Dr. Mithoefer for a BEAR ACL repair, and the results speak for themselves! 5 months post-op, and she was back enjoying all her favorite outdoor activities. 8 months post-op, and she was back on the slopes!

12/04/2025

⛄️ Don’t let winter take you down—literally! Prevent winter slips and strains and keep your joints safe with these tips.

12/01/2025

🎄 It’s not easy juggling rehab, parties, and all the festive chaos — but it is possible! With a few smart strategies, you can stay on track, heal strong, and still enjoy the celebrations.

11/25/2025

This season, we’re most thankful for you — our patients! 🧡 We’re celebrating gratitude, healing, and the amazing patients we serve.

Your ACL recovery depends on more than physical therapy — your habits matter too. 🚭 Discover how smoking impacts graft h...
11/20/2025

Your ACL recovery depends on more than physical therapy — your habits matter too. 🚭 Discover how smoking impacts graft healing and why it’s a bigger threat to your comeback than you might think.

Recovering from an ACL injury is a major milestone for any athlete or active individual. While surgical techniques and rehabilitation protocols have advanced dramatically, one lifestyle factor continues to undermine success—smoking.

🎿 Planning your next ski trip? Let’s make sure your winter adventure is unforgettable for all the right reasons—not a kn...
11/17/2025

🎿 Planning your next ski trip? Let’s make sure your winter adventure is unforgettable for all the right reasons—not a knee injury! ⛷️Before you hit the slopes, check out our blog on how skiing impacts knee health.

Skiing is one of the most beloved winter sports, but like any sport, it comes with the risk of injuries. Knee injuries account for one-third of all ski-related injuries.1 The knee is a complex joint consisting of bones, muscles, ligaments, and tendons; each part plays a significant role in providing...

How to protect young athletes from ACL tears, other knee injuries.
11/14/2025

How to protect young athletes from ACL tears, other knee injuries.

The season ending knee injuries of top South Florida professional athletes Tyreek Hill and Alexander Barkov have many thinking about how to protect younger athletes from suffering similar ailments.

Did you know you have access to dozens of FREE patient education videos through our website? 💻 Take charge of your healt...
11/13/2025

Did you know you have access to dozens of FREE patient education videos through our website? 💻 Take charge of your health and learn more about your body, conditions, and procedures.

11/12/2025

Work-related orthopedic injuries can occur from an unexpected injury or from overuse and repetitive motion. Dr. Mithoefer has over 15 years of experience in the treatment of acute and chronic musculoskeletal work-related injuries of the joint, tendon, ligament, cartilage, and muscle.

What Happens to Your Body When You Play Tennis Regularly.
11/07/2025

What Happens to Your Body When You Play Tennis Regularly.

Research shows tennis may extend lifespan and improve heart health, bone strength, mobility, and social connection. While injuries, cost, and access can be drawbacks, experts agree that tennis provides broad health benefits.

11/06/2025

Playing through pain isn’t the answer to sports pain. ❌
Dr. Mithoefer provides personalized treatment to restore movement and get you safely back in the game.

Address

71 Border Road
Waltham, MA
02451

Opening Hours

Monday 9am - 4pm
Tuesday 9am - 4pm
Wednesday 9am - 4pm
Thursday 9am - 4pm
Friday 9am - 4pm

Telephone

+17818902133

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