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Your Trusted Orthopedic Surgeon in Monterey, CA
Michael Klassen, MD, FAAOS, is a board-certified sports medicine orthopedic surgeon based in Monterey, California, specializing in advanced surgical and rehabilitative care for musculoskeletal injuries. With expertise in knee ACL reconstruction, shoulder rotator cuff repair, spine injuries, and biologic treatments, Dr. Klassen combines clinical excellence with a restorative approach to help patients regain function and mobility. As a recognized leader in orthopedic surgery, he also serves as President of the California Orthopaedic Association and provides medical legal evaluations, including independent medical examinations (IMEs) and expert witness testimony, for attorneys, insurers, and government entities across California.

Dr. Klassens practice emphasizes personalized care, evidence-based treatments, and a commitment to addressing both acute and chronic orthopedic conditions. His experience spans decades, with a focus on complex cases involving motor vehicle accidents, industrial incidents, and athletic injuries. Patients benefit from his proficiency in minimally invasive techniques, comprehensive rehabilitation planning, and transparent communication. Dr. Klassen is dedicated to advancing orthopedic care through innovation, education, and advocacy, ensuring patients receive tailored solutions that align with their health goals and lifestyles.
Services
Knee ACL Reconstruction Shoulder Rotator Cuff Repair Knee Meniscal Surgery Spine Injuries Treatment with Biologics Expert Witness Medical Legal Expert Orthopedic Expert Emergency Treatment Shoulder Labral Reconstruction
Highlights and features
  • Board-certified sports medicine orthopedic surgeon with expertise in medical legal evaluations.
  • Offers expert witness testimony adhering to American Academy of Orthopedic Surgeons standards.
  • Specializes in minimally invasive techniques for faster recovery and reduced postoperative pain.
  • President of the California Orthopaedic Association with decades of clinical leadership.
  • Provides comprehensive evaluations for IMEs, AMEs, and QMEs across California.
What people say
Amazing doctor Kind and skilled Highly recommended Prompt appointments Compassionate and understanding
Services
Knee ACL Reconstruction
Knee ACL reconstruction replaces a torn anterior cruciate ligament with a graft tendon to restore stability and function. Dr. Klassen performs outpatient procedures using advanced techniques for athletes and active individuals. Recovery involves structured rehabilitation over 812 months, emphasizing pain management and mobility restoration.
Shoulder Rotator Cuff Repair
Shoulder rotator cuff repair addresses torn tendons through open, arthroscopic, or mini-open techniques. Dr. Klassen tailors surgical approaches to tear severity and patient health, focusing on pain relief and functional recovery. Postoperative care includes targeted physical therapy to rebuild strength and range of motion.
Knee Meniscal Surgery
Knee meniscal surgery repairs or removes damaged cartilage using arthroscopic methods. Dr. Klassen evaluates tear location and patient activity levels to determine optimal treatment, with recovery spanning 36 weeks for removal or 36 months for repairs requiring rehabilitation.
Spine Injuries
Spine injury treatment includes non-surgical therapies like bracing and injections or minimally invasive surgery for herniated discs, fractures, or chronic pain. Dr. Klassen conducts comprehensive evaluations to diagnose injuries and develop personalized plans for acute or chronic spinal conditions.
Treatment with Biologics
Biologic treatments use living cells or tissues to address chronic orthopedic conditions. Dr. Klassen administers injections for articular cartilage support and tissue repair, offering innovative solutions for patients seeking alternatives to traditional therapies or surgery.
People
Michael Klassen
Orthopedic Surgeon
Dr. Michael Klassen is a board-certified orthopedic surgeon specializing in sports medicine and medical legal evaluations. As President of the California Orthopaedic Association, he provides expert testimony and evaluations for complex orthopedic cases.
Questions
What orthopedic services does Dr. Klassen specialize in?
Dr. Klassen specializes in knee ACL reconstruction, shoulder rotator cuff repair, spine injuries, meniscal surgery, biologic treatments, and medical legal evaluations.
Does Dr. Klassen accept workers' compensation cases?
Yes, Dr. Klassen accepts workers' compensation patients and provides surgical and evaluative care for work-related orthopedic injuries.
What medical legal services are offered?
Services include IMEs, AMEs, QMEs, medical record reviews, impairment ratings, and expert witness testimony for legal cases.
Are same-day appointments available?
Appointments are scheduled promptly, with urgent cases prioritized, but same-day visits depend on availability.
What is the recovery time for knee meniscal surgery?
Recovery takes 3–6 weeks for meniscectomy and 3–6 months for repairs, including rehabilitation.