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.

04/02/2026

Workplace injuries don’t just hurt—they can sideline your life and career.
Dr. Mithoefer provides comprehensive and compassionate care with direct access to experienced workman’s compensation coordinators to facilitate expedited appointments for patients with work-related injuries.

Thank you for your long-standing trust in Dr. Mithoefer. His thoughtful, patient-first approach is exactly what we striv...
03/31/2026

Thank you for your long-standing trust in Dr. Mithoefer. His thoughtful, patient-first approach is exactly what we strive for, and we’re so glad it made such a positive difference in your care. 🌟

Skiing is one of the most beloved sports, but like any sport, it comes with the risk of injuries. Knee injuries account ...
03/26/2026

Skiing is one of the most beloved sports, but like any sport, it comes with the risk of injuries. Knee injuries account for one-third of all ski-related injuries. ⛷️
If skiing has caused you knee pain that will not subside with rest and ice, then it is important that you are seen by an orthopedic specialist. Dr. Kai Mothoefer has extensive experience in treating knee-related sports injuries.
Schedule an appointment today!

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...

03/23/2026

A torn ACL can feel like the end of your athletic journey—but it doesn’t have to be.
🐻 The BEAR® Implant (Bridge-Enhanced ACL Restoration) offers a revolutionary approach to healing your ACL naturally.

03/19/2026

Want to keep your knees strong? Dr. Mithoefer, sports medicine specialist, explains the essentials of knee preservation and joint health.

What an amazing achievement! 🎉 We’re proud to have been part of your son’s journey and grateful for your trust in Dr. Mi...
03/17/2026

What an amazing achievement! 🎉
We’re proud to have been part of your son’s journey and grateful for your trust in Dr. Mithoefer during such an important time.

Are you being told you may need a knee replacement? For many active adults, the idea of joint replacement surgery feels ...
03/16/2026

Are you being told you may need a knee replacement? For many active adults, the idea of joint replacement surgery feels premature. The encouraging news is that modern joint preservation techniques can often delay, and in some cases prevent, the need for total knee replacement.

Are you being told you may need a knee replacement? For many active adults, the idea of joint replacement surgery feels premature. The encouraging news is that modern joint preservation techniques can often delay, and in some cases prevent, the need for total knee replacement. Let’s explore some o...

ACL Injuries in Female Athletes: Understanding the Higher Risks and Lower Return-to-Play Rates.
03/13/2026

ACL Injuries in Female Athletes: Understanding the Higher Risks and Lower Return-to-Play Rates.

Although males have higher rates of ACL injuries, the relative risk of ACL injury is actually much higher in females. Despite increased understanding of ACL injuries and prevention, injury rates among females have remained consistent, while rates have simultaneously decreased among males. As female....

03/12/2026

Emerging evidence shows BEAR ACL repair may lower the risk of post-traumatic knee arthritis after ACL injury—a game-changing advancement in sports medicine and knee preservation. ⚽️🏀🏈

We’re honored to get great feedback like this! ☝ A smooth patient experience is always our goal.
03/10/2026

We’re honored to get great feedback like this! ☝ A smooth patient experience is always our goal.

Quadriceps tendon ACL reconstruction may provide success in high-demand athletes.
03/06/2026

Quadriceps tendon ACL reconstruction may provide success in high-demand athletes.

Quadriceps tendon autograft has emerged as an excellent option for ACL reconstruction, particularly for active patients seeking to return to high-demand sports.

03/04/2026

🏀 Due to the repetitive jumping, twisting, falls, and cutting movements that are part of the sport, knee and shoulder injuries can be a common occurrence in basketball at any level.
Learn about common injuries and how to prevent them!

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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