Board Certified Orthopedic Surgeon — Mahwah, NJ
Precision Hip & Knee Expertise.
Move Like You Used To.
Dr. Nicholas Alexander combines Johns Hopkins fellowship training with MAKO robotic-arm assisted technology to deliver among the best outcomes in joint replacement surgery.
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Meet Your Surgeon
Dr. Nicholas Alexander
Board Certified Orthopedic Surgeon
Dr. Alexander is a fellowship-trained orthopedic surgeon specializing in total joint replacement and adult reconstruction of the hip and knee. After completing his undergraduate education at the University of Pennsylvania, he earned his medical degree and completed his orthopedic surgery residency at Rutgers New Jersey Medical School, followed by a prestigious fellowship in Total Joint Replacement and Adult Reconstruction at Johns Hopkins University.
He is a member of the Valley Hospital Total Joint Center, recently ranked by HealthGrades as one of the Top 100 Joint Replacement Centers in America. Dr. Alexander is also a trusted team physician for Don Bosco Prep Athletics.
What We Treat
Specialized Orthopedic Care
From joint replacement to sports injuries, we provide comprehensive treatment for conditions affecting your mobility and quality of life.
Advanced Technology
MAKO Robotic-Arm Assisted Surgery
Dr. Alexander specializes in state-of-the-art MAKO Robotic-Arm Assisted Technology with Triathlon Total Knee implants. The MAKO system creates a personalized 3D surgical plan based on your unique anatomy, allowing for precise bone preparation and optimal implant positioning.
The surgeon maintains full control throughout the procedure, using the robotic arm as a precision instrument — not a replacement. This technology enables a more predictable surgical experience with the potential for faster recovery and better outcomes.
CT-Based 3D Planning
Personalized surgical plan from your anatomy
Robotic Precision
Sub-millimeter accuracy in bone preparation
Faster Recovery
Optimized implant positioning for better outcomes
Your Journey
What to Expect
From your first consultation to full recovery, we guide you every step of the way.
Consultation
Meet with Dr. Alexander to discuss your condition, review imaging, and explore treatment options.
Pre-Op Planning
If surgery is recommended, receive a personalized 3D surgical plan and attend our pre-operative teaching class.
Surgery
State-of-the-art robotic-assisted procedure at Valley Hospital with Dr. Alexander and his experienced team.
Recovery
Personalized follow-up care, case management coaching, and accelerated rehabilitation to get you back to your life.
Recognition
An Award Winning Joint Replacement Program
Led by Founder of Mahwah Valley Orthopedic Associates, Dr. Nicholas Alexander
A State-of-the-Art Joint Replacement Program
Patients of Dr. Alexander have full access to Valley Hospital's award winning, comprehensive and systematic approach to Joint Replacement.
An Award Winning Program & Staff
Dr. Alexander is a member of the Valley Hospital Total Joint Center, which was recently ranked by HealthGrades as one of the Top 100 Joint Replacement Centers in America.
Ready to learn more?
Contact UsFind Us
Mahwah Office
Mahwah, NJ 07430
See what's possible when life is unrestricted.
Schedule a consultation with Dr. Alexander to discuss your treatment options. We accept most major insurance plans.
(201) 818-4344Requests are responded to during regular business hours. For urgent needs, please call directly.
Mahwah Office
400 Franklin Turnpike, Suite 100
Mahwah, NJ, 07430
Hours
Mon, Wed, Thurs, Fri
9:00am–5:00pm