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Christopher Hajnik, MD - Board Certified Orthopaedic Surgeon -Joint Reconstructive Surgery of the Hip and Knee

Dr. Hajnik Board Certified Orthopaedic Surgeon Joint Reconstructive Surgery of the Hip and Knee

Dr. Christopher Hajnik has practiced at CORE Orthopaedics in Encinitas since 2011. He is fellowship-trained in joint reconstructive surgery of the knee and hip. His subspecialties include primary knee and hip joint replacements and revisions, subchondroplasty, and knee surgery. He utilizes robotic and computer-assistance for partial and total knee replacements, and he recommends and performs anterior hip replacement surgery.

  • University of Notre Dame
  • Thomas Jefferson University
  • Loyola University Medical Center
  • Insall Scott Kelly® Institute
  • Top San Diego Doctors, Hospitals and Clinics - Scripps Health
  • Advanced Surgery Center of North County
  • American Academy of Orthopaedic Surgeons
  • AAHKS | Educate. Advocate. Investigate.
  • International Congress for Joint Reconstruction
  • San Diego County Medical Society
Watch Videos
  • 2/24/2020 Corin Omnibot Robotic Total Knee Training Course Tampa, FL
  • 12/07/2019 AMIS Anterior Hip Course Las Vegas, NV
  • 10/06/2019 Subchondroplasty Educational Lecturer Vancouver, BC
Areas of Expertise
  • Robotic Total and Partial Knee Replacement

    Robotic Total and Partial Knee Replacement

    The OMNIBotics robotic-assisted knee replacement system combines intelligent computer software, advanced robotics, and superior implants. It is an alternative to the conventional knee replacement procedure and allows your surgeon to perform surgery with greater precision.

  • Complex Total Knee Replacement

    Complex Total Knee Replacement

    Complex total knee replacement procedure is usually indicated for major knee deformity, severe arthritis, knee ligaments weakness and bone loss due to fracture or arthritis.

  • Robotic Total and Partial Knee Replacement

    Anterior Total Hip Replacement

    Direct anterior hip replacement is a minimally invasive hip surgery to replace the hip joint without cutting through any muscles or tendons as against traditional hip replacement that involves cutting major muscles to access the hip joint...

  • Robotic Total and Partial Knee Replacement

    Revision Hip and Knee Replacement

    At times, hip replacement implants can wear out for various reasons and may need to be replaced. Revision hip replacement is a complex surgical procedure in which all or part of a previously implanted hip joint is replaced with a new artificial hip joint...

  • Outpatient Total Hip and Knee Replacement

    Outpatient Total Hip and Knee Replacement

    Hip replacement surgery is one of the most common orthopedic surgeries performed. It involves the replacement of the damaged hip bone (ball shaped upper end of the femur) with a ceramic ball attached to a metal stem that is fixed into the femur and placing a new cup with a special liner in the pelvis...

  • Robotic Total and Partial Knee Replacement


    Subchondroplasty is a minimally invasive procedure that is performed to specifically repair chronic BMLs by filling them with a bone substitute material. The bone substitute is then slowly resorbed and replaced with healthy bone, repairing the bone defect...

  • Knee Arthroscopy

    Knee Arthroscopy

    Knee arthroscopy is a common surgical procedure performed using an arthroscope, a viewing instrument, to diagnose or treat a knee problem. It is a relatively safe procedure and you will usually be discharged from the hospital on the same day of surgery.

Am I a Candidate for Joint Replacement Surgery?

Am I a Candidate for Joint Replacement Surgery

Joint pain and stiffness due to arthritis, makes regular activities such as walking and bending difficult. As arthritis progresses, conservative treatments tend to lose their efficacy and more definitive treatment should be considered.

  • Extremely professional. Care is given to avoid infection beyond what most orthopedic surgeons do.
    Eric Chappell
  • In 2018, had a total knee replacement with Dr Hajnik. If you have never had surgery before, you might be put off that bedside manner is not most surgeons’ strong suit. This surgeon’s best quality is his surgical skill. Office staff is 100% amazing, Dr H’s physician asst, Stephanie was a really...
    Patient at CORE Orthopaedic Medical Center
  • This July (2018) marks the one year anniversary of my hip replacement and I couldn't be more pleased with the results! The care and professionalism demonstrated by Dr. Hajnik's team, from the Front Office staff to the Physician's Assistant, was amazing! Dr. Hajnik made sure I understood all aspec...
    Elliott Powell in Oceanside, CA
  • Dr. Hajnik replaced my left hip joint in April 2017. I was back surfing within weeks and feel like I can do almost everything I could before the surgery. He was very professional in every respect. Beforehand, I had asked a personal friend, an anesthesiologist, who he would have replace his hip, he t...
    Kevin in Encinitas
CORE Orthopaedic Medical Center
CORE Orthopaedic Medical Center 332 Santa Fe Drive Suite 110 Encinitas, CA 92024