Matthew Sloan, MD
Hip & Knee Replacement | Concord, MA

Greater Boston's Hip & Knee Replacement Specialist

A Welcome Message from Dr. Sloan

Meet Your Hip & Knee Specialist

Dr. Matthew Sloan is a board-certified, fellowship-trained hip and knee replacement surgeon at Orthopedic Affiliates and Emerson Health in Concord, MA, where he serves as Director of Robotics for Orthopedic Surgery.

Most of his job isn’t surgery — it’s helping people decide whether they need it. His practice is built on clear answers and honest opinions, with personalized plans ranging from exercise and injections to robotic-assisted joint replacement.

Modern Joint Replacement. Clear, Evidence-Based Guidance.

Dr. Sloan created MatthewSloanMD.com and the Joint Replacement Podcast to give patients straightforward, evidence-based answers about hip and knee pain, arthritis, and recovery — because better information means better decisions.

Latest from the Blog & Podcast

#63 – Why Can’t I Sleep After Hip or Knee Replacement? 7 Tips From an Orthopedic Surgeon

Your knee replacement went perfectly. Your X-rays look great. You’re making progress with physical therapy. But every night, you’re lying awake at 3 AM, staring at the ceiling and wondering why you can’t sleep. Or perhaps you’ve had a hip replacement and are afraid to roll onto your side because …

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#62 – Is Anterior Hip Replacement Really Better? Charles Lawrie, MD

The Joint Replacement Podcast | Episode 62 Is anterior hip replacement actually better than posterior hip replacement? Does the surgical approach affect recovery, pain, and long-term outcomes? These are some of the most common questions patients ask when considering total hip replacement. In Episode 62 of The Joint Replacement Podcast, …

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What Do Celebrities Know About Joint Replacement That You Don’t? Dr. Jason Snibbe on Robotic Surgery, Recovery, and Choosing the Right Surgeon

The Joint Replacement Podcast | Episode 61 | Hosted by Dr. Matthew Sloan When a Hollywood actor, professional athlete, or world-famous musician needs a hip or knee replacement, they may have the resources to choose almost any surgeon in the world. But what are they actually looking for? Is it …

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What Should You Eat Before Joint Replacement Surgery? Nutrition, Recovery, and Ankle Replacement with Dr. Sagar Desai

https://youtu.be/biXvrUolSNQ The Joint Replacement Podcast | Episode 60 | Hosted by Dr. Matthew Sloan Can what you eat before surgery influence how well you recover afterward? When patients prepare for hip or knee replacement surgery, they often focus on choosing the right surgeon, understanding the surgical procedure, and planning their …

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Can One Surgeon Design a Better Hip Replacement? Inside the Invention of a New Hip Implant

By Dr. Matthew Sloan | The Joint Replacement Podcast, Episode 59 Every year, hundreds of thousands of patients undergo hip replacement surgery. Most will never know who designed the implant that becomes a permanent part of their body. We often assume these devices are developed by large medical device companies, …

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Are Health Insurance Companies Profiting by Denying Your Care? A Look Behind the American Healthcare System

Featuring Bryan Khoo, Stanford graduate and incoming medical student By Dr. Matthew Sloan | The Joint Replacement Podcast | Episode 58 Why does healthcare in the United States keep getting more expensive while patients struggle to access treatment and physicians face declining reimbursement? For patients preparing for hip or knee …

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How Do You Know If Your Joint Replacement Surgeon Is Any Good?

Choosing a surgeon for a hip or knee replacement is a major decision. Most patients know to look at a surgeon’s training, board certification, experience, hospital affiliation, and perhaps online reviews. Those are all reasonable things to consider. But there is one question that almost nobody tells patients to ask: …

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#56 – What Does a Professional Violinist Know About Orthopedic Surgery? Will Kang, MD

https://youtu.be/HjjOuhPsPBA What does a professional violinist know about orthopedic surgery? In the case of Dr. Will Kang, quite a lot. Before becoming a board-certified orthopedic surgeon, Dr. Kang trained seriously as a classical violinist, earned a master’s degree in violin performance from the Cleveland Institute of Music, and worked as …

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#55 – How Do You Know When It’s Really Time for Joint Replacement? Randall Schultz, MD

For many patients with hip or knee arthritis, the hardest question is not whether joint replacement works. It is deciding when the time is right to actually have surgery. In Episode 55 of The Joint Replacement Podcast, I sat down with Dr. Randall Schultz, a board-certified orthopedic surgeon at Texas …

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#54 – Can You Prevent Arthritis & Joint Replacement? Jocelyn Wittstein, MD

What happens to a joint decades before someone ever needs a hip or knee replacement? That was the central question in Episode 54 of The Joint Replacement Podcast, where I sat down with Jocelyn Wittstein, MD, an orthopedic sports medicine surgeon at Duke whose work spans ACL injuries, post-traumatic arthritis, …

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