Dr. Chen offers the full spectrum of care for a wide variety of hip and knee conditions using the most effective and current treatments and technologies including robotics and computer-assisted navigation.

James B. Chen, M.D.

Board Certified Orthopedic Surgeon
Fellowship-Trained Joint Replacement Subspecialist

Dr. James B. Chen is a highly skilled orthopedic surgeon specializing in hip and knee total joint replacement, dedicated to providing rapid-recovery options to keep you active not only initially, but for as long as possible. Dr. Chen provides the highest quality of care for his patients through a personalized approach utilizing customized planning, less invasive techniques, navigated and robotic technology, and more.

Personalized Joint Replacement Surgery in Mission Viejo, Newport Beach, and Orange County

Looking for a customized approach to hip or knee replacement? My practice specializes in personalized joint replacement surgery, tailoring every step of the process to fit your unique anatomy, activity level, and long-term goals. Unlike a one-size-fits-all approach, joint replacement can vary based on implant type, surgical technique, technology, and patient-specific factors - and I make sure you understand every option.

As an orthopedic surgeon focused exclusively on joint replacement, I stay at the forefront of the latest advances in the field through active participant on national committees, technology focused research, medtech design and surgeon education. My goal is to help you make informed decisions and provide a personalized surgical plan designed for optimal recovery, mobility, and implant longevity.

What Makes My Approach to Joint Replacement Unique?

Each patient receives a fully customized care plan that may include:

Minimally invasive surgical techniques, such as quadriceps-sparing total knee replacement and bikini incision anterior hip replacement
Robotic-assisted and computer-navigated joint replacement for enhanced precision and alignment
Custom implant selection based on your bone quality, joint deformity, and lifestyle needs. Including partial replacement options.
3D CT-based preoperative planning and custom implants when indicated
Tailored recovery plans, including personalized pain management and swelling protocols
Virtual and AI-guided recovery tools, including smart implants and remote monitoring
Comprehensive postoperative support, including digital follow-ups and care coordination

If you’re considering hip replacement or knee replacement surgery in Mission Viejo, Newport Beach or the surrounding Orange County area, I welcome you to schedule a consultation to explore your options.

Start Your Personalized Joint Health Journey Today

Understanding your surgical plan leads to better outcomes. I encourage all patients to ask questions, explore their choices, and take an active role in their recovery. Together, we can work to restore your joint function and improve your quality of life.

Hip
Knee

Hip & Knee Conditions

My experience with Dr. Chen has been outstanding. I am one of those rare people who had both hips replaced at one time. Surgery went smoothly, and recovery went smoothly. Ten weeks post surgery I have pretty much full functionality. I also have significant improvement in back pain, posture and hip p...~ Julia Rampone~
I have found Dr Chen to be very Caring,
Thorough, and knowledgeable. Also, his staff is very polite and easy to work with.
He was highly recommended to me, by a very good physical therapist. I definitely see Dr. Chen as a Five Star Dr.~ Walter Hornbeck~
Dr. Chen is awesome! I had a right hip replacement and 12 weeks later went back and had a left hip replacement. The entire process/communication from front office to surgery at Mission Laguna Beach (love the staff there) was fantastic! Dr. Chen, thank you for helping me feel so much better!~ Colleen Vanin~
I had knee revision surgery, complete removal of the old apparatus, coupled with the installation of a much improved replacement knee. I found Dr. Chen to be very knowledgeable with an excellent background and training in relation to joint replacement. He utilizes robotics and the latest techniques....~ Cort & Judy Ray~
My experience with Dr. Chen was 5 stars since the moment I met him. It was the first surgeon I had seen during my vetting process where I felt seen, heard, listened to, and not pushed into a decision all in one visit. This was a tough time for me (30 year old hip replacements don't happen very often...~ Maddie Kraus~

Minimally invasive surgery includes not only smaller incisions but less disruption of the anatomy under the surface.

Computer navigation provides your surgeon with real-time information to customize your approach during the procedure.

Dr. Chen is highly skilled with robotic hip and knee replacement surgery and educates fellow surgeons on techniques used to customize the procedure to each individual patient.

2023Sep 23

Improved short-term outcomes for a novel, fluoroscopy-based robotic-assisted total hip arthroplasty system compared to manual technique with fluoroscopic assistance

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2022Apr 2

Predicting Implant Size in Total Hip Arthroplasty

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