Knee Pain
Our dedicated physicians will help you regain strength, mobility, and confidence on your journey to recovery.

Common Causes
Osteoarthritis, meniscus tears, ligament injuries (ACL/MCL), patellar pain, or overuse
Symptoms
Swelling, stiffness, instability, pain during movement, or difficulty climbing stairs
When to Seek Help
Ongoing pain that limits mobility, activity, or quality of life
Diagnosis
Expert clinical evaluation with imaging (X-ray, MRI) to pinpoint the source of pain
Conservative Treatments
Physical therapy, bracing, cortisone or gel injections, activity modifications
Surgical Solutions
Arthroscopy, ligament reconstruction, partial or total knee replacement
Cutting-Edge Technology
We offer augmented reality (AR)-assisted knee replacement for enhanced precision and alignment
Faster Recovery, Better Outcomes
AR-guided surgery helps ensure more accurate placement, which may improve function and longevity of the implant
Expert Care
Our team has performed over 1,000 AR-assisted knee replacements—among the most in the country
Safa kassab, MD
Dr. Safa Kassab is an experienced orthopedic surgeon specializing in knee replacement using the most advanced techniques available, including augmented reality (AR) guidance. He is the first surgeon in Michigan to perform AR-assisted knee replacements and has completed over 1,000 AR-guided procedures, setting the standard for precision and patient outcomes
This approach offers patients a less invasive procedure, faster recovery, improved implant alignment, and potentially longer-lasting results.

Michael Behun, md
Dr. Michael Behun is a fellowship-trained orthopedic surgeon at Orthopedic Specialists of Oakland County, specializing in hip and knee replacement and reconstruction using the most advanced techniques. His fellowship at Colorado Joint Replacement in Denver provided extensive experience across manual, computer-navigated, and robotic-assisted joint replacement surgeries, as well as hip replacements through anterior and posterior approaches.
Whether you’re seeking traditional or cutting-edge options, Dr. Behun delivers tailored care designed to restore mobility, relieve pain, and get you back to what matters.

Do You have any questions?
F.A.Q
What causes knee pain?
Knee pain may be due to arthritis, ligament or meniscus tears, tendon problems, or overuse from daily activities.
When should I see a doctor?
If pain lasts more than a week, causes swelling, locks or gives out, or limits walking and sleep, you should be evaluated by an orthopedic specialist.
How is knee pain treated?
Treatment can include rest, activity changes, physical therapy, bracing, and injections. Surgery may be recommended if other options don’t work.
Can knee replacements really help?
Yes. Modern implants and advanced techniques, including augmented reality–assisted surgery, improve precision, speed recovery, and provide lasting results.
EXCELLENT Based on 572 reviews Kimberly SJune 2, 2025Trustindex verifies that the original source of the review is Google. Dr Ames is a very special physician. His bedside manner is remarkable. He speaks to you as a patient not a number. He preformed a left hip total replacement on me. I tell you I would do it all over again on the right side. I heal well and fast. He’s highly recommended Mercedes FMay 23, 2025Trustindex verifies that the original source of the review is Google. After trying for 1 year 2 months different Dr's and PT's, I finally got to the right place. I had plantar fascitis both foot, aquiles tendonitis and knee problems. Now, after 3 months, I am able to walk pain free and almost jogging again. Great PT support!!!! Cheryl BApril 12, 2025Trustindex verifies that the original source of the review is Google. Dr. Kassab replaced my knees in January and April 2009, at age 62. They are 16 years old and still going strong. In August 2009 I did a three mile hike through the meadows of Mt Rainier. Great decision and marvelous doctor. Five stars are not enough. 2016 Dr. Kassab replaced my hip - also very successful. He referred me to Dr. Ames for the other hip in 2024, and I have high praise for him as well. This is an excellent group of doctors and staff who care about their patients. Hali FApril 4, 2025Trustindex verifies that the original source of the review is Google. Dr. Ames, Casey, and all the staff are awesome. Everyone at OSOC is helpful and kind. Would highly recommend them! Doris PFebruary 7, 2025Trustindex verifies that the original source of the review is Google. Empathic, knowledgeable, no rush to do surgery if not needed Kevin MFebruary 7, 2025Trustindex verifies that the original source of the review is Google. Great care and followup Debi MFebruary 7, 2025Trustindex verifies that the original source of the review is Google. Dr. Howard is an awesome orthopedic doctor. He really takes the time to figure out to diagnose the problem. He tries every last effort to alleviate the problem before he decides if surgery is needed. I also never feel like he is rushing to get to the next patient. I also see Dr. Bahu for a different injury. Dr. Bahu is just as fantastic as Dr. Howard. Thankfully they do not treat the same conditions or I would not know who to choose for treatment. Mark pFebruary 6, 2025Trustindex verifies that the original source of the review is Google. Dr Howard as well as his residents and office staff are excellent. The listen and take time to answer questions. Typically always on time for appts which is a first fkr a dr’s office!! Highly recommend!! Tina AFebruary 5, 2025Trustindex verifies that the original source of the review is Google. If I could give more stars I WOULD!!! When I’m looking for something I read reviews so I MUST leave one for this AMAZING office. It start with 2 wonderful receptionist that are joyful, humorous and extremely helpful, at no time did I feel I was a bother. Thank you Melissa and Amber!! I had two appointments a week apart and had no problems seeing the doctors that would be treating my two separate issues. They have doctors that specialize in specific areas which I find very beneficial! Both doctors were very thorough and extremely knowledgeable and informative. They both were very understanding and compassionate to my concerns and pain and didn’t rush me to see the next patient. I have to also add most office personnel that I encountered had a little humor which sets the office tone.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more



