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    1. Absolutely life changing.

    2. Brian R.

    1. All of Dr. Karas’ staff was friendly and efficient and welcoming to a new patient.

    2. Jim N.

    1. Dr Karas was very thorough in explaining the procedure and what I am about to undertake.

    2. Peggy F.

    1. Dr. Karas is such an amazing doctor.

    2. Nancy J.

    1. They have made a great difference in my lifestyle through my total knee replacement

    2. Mary H.

Vasili Karas, M.D., M.S.

Hip and Knee Replacement and Reconstruction located in Chicago, IL & Oak Park, IL

Vasili Karas, MD, MS, is a board certified, fellowship-trained orthopaedic surgeon specializing in rapid recovery hip and knee replacement and complex reconstruction surgery. He committed to empowering his patients to overcome their pain and resume the activities they love.

A Chicagoland native with the goal of giving back to his community, Dr. Karas earned his medical degree at Rush University’s Medical College in Chicago. He then went to North Carolina to complete his residency training at Duke University Medical Center. After that, he returned to Chicago to finish his fellowship training in hip and knee replacement surgery at Rush University Medical Center.  

Dr. Karas’ approach to medicine involves spending time with his patients, fostering good communication, and offering the latest advances in medical technology. He has over 40 peer reviewed publications and is a committee member of the American Academy of Hip and Knee Surgeons (AAHKS). Through physical therapy, joint injections, and surgical procedures, he strives to get patients back on their feet as quickly as possible without compromising technique. He works closely with patients throughout their road to recovery and is highly skilled in addressing the full spectrum of concerns when it comes to hip or knee joints.

Whether a patient is continuing to have pain after a previous joint replacement, needs a second opinion, or is seeking the best surgeon to perform a knee or hip replacement for osteoarthritis, Dr. Karas feels privileged to care for his patients whether they be Chicago natives or come from anywhere in the world.

Practice Emphasis

Dr. Karas specializes in rapid recovery surgery but also is happy to take on complex cases and revision, or re-do joint replacements. Whether it be surgical approach, length of stay, use of technology, or any special needs you may have, Dr. Karas is committed to offering patients the options they need to have an excellent patient experience and a successful joint replacement.

Special Procedures:

-Minimally invasive surgery, rapid recovery surgery, same day joint replacement

-Complex joint reconstruction, revision surgery, infection surgery

- Robotic assisted hip and knee replacement, Computer navigation assisted hip and knee replacement

-Second opinion for existing painful total joints

-Non-operative and conservative treatment for hip and knee pain

-Anterior and posterior hip replacements

Research Interests

Biomechanics of the knee and of joint replacement

Sports and activity after joint replacement

Advanced technology in joint replacement


Second Language

Greek (Fluent)






Assistant Professor of Orthopaedic Surgery, Rush University Medical Center, Chicago IL

Fellowship in Adult Reconstruction, Rush University Medical Center, Chicago, IL

Orthopaedic Residency, Duke University Medical Center, Durham NC

Medical School, Rush University Medical Center, Chicago IL

Bachelors of Science, University of Notre Dame, South Bend IN

Official Orthopedic Providers

photo of Vasili Karas, Board Certified MD, MS

Discover our Professional Affiliations



  • Minimally Invasive Surgery that will have you
    back on your feet the same day


  • Overcome your pain and get
    back to
    enjoying life

Patient Story
Patient Story

Patient’s personal journeys as a person reclaiming their health and finding solace in the face of adversity

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