About Ryan Sullivan, MD

Ryan Sullivan, MD, an orthopedic surgeon at Endeavor Health, specializes in joint replacement surgery, including both primary and revision hip and knee replacements. He also provides care for lower extremity fractures and acute injuries. Dr. Sullivan brings empathy and shared decision-making to every patient interaction. He emphasizes patient education and collaboration to ensure informed choices and better outcomes.

My endeavor

My endeavor is to provide patients with great seamless care, positive outcomes and make sure that people are happy with their treatment, whether that's nonsurgical or surgical.

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Care philosophy

My philosophy centers on patient education and shared decision-making. I take the time to explain all treatment options, surgical and nonsurgical, so patients can make informed decisions about their care. That collaboration helps lead to better outcomes and greater satisfaction.

Overview

  • Gender Male

Clinical focus

  • Fractures
  • Arthritis
  • Minimally-invasive surgery
  • Osteoarthritis
  • Anterior hip replacement
  • Orthopaedic Surgery
Endeavor Health Medical Group
1331 W. 75th St., Suite 101
Naperville, IL 60540-9311
Endeavor Health Medical Group
24600 W. 127th St., Garden Level
Plainfield, IL 60585-9507
Medical School
  • 2011
    Loyola University of Chicago Stritch School of Med
Residencies
  • 2016
    Loyola University Medical Center (Office Of Registrar)
Fellowships
  • 2017
    Northwestern Memorial Hospital
Board certifications
  • 2019
    Orthopaedic Surgery
    American Board of Orthopedic Surgery
Reviews (61)
December 17, 2025
Very caring, very thorough. Explained everything.
December 12, 2025
Dr. Sullivan is the caring, patient and always provides exquisite care!
December 9, 2025
Dr. Sullivan is an amazing orthopedic surgeon, if I have any future issues, he would be the first person that I will call.
December 9, 2025
Dr Sullivan listens to your concerns. He has a very pleasant attitude. I would definitely recommend him to others.
November 25, 2025
All went well. Dr. Sullivan answered all my questions and did a thorough examinantion.
November 18, 2025
Professional & courteous staff. Had 2 appointments: xray & consult. On time for both.
November 11, 2025
Dr. Sullivan is just the best!!!!!
November 11, 2025
Provided options and the plus and minus of each. Left the decision to me.
October 28, 2025
This was my first visit with Dr. Sullivan, and he made me feel very comfortable. He reviewed my x-rays with me and explained in detail what was going on with my knee and hip. We discussed the different options and I selected the one that I felt was best for me. I would recommend Dr. Sullivan to others.
October 16, 2025
Dr. Sullivan is very kind and makes me feel safe, as well as his nurse.
October 4, 2025
Great provider with excellent bedside manner
October 4, 2025
Dr. Sullivan is an exceptional surgeon and takes his time to discuss and evaluate your needs. My first hip replacement went extremely well and will be getting my second one done shortly. I highly recommend Dr. Sullivan and his team!
October 4, 2025
Dr. Sullivan is easy to talk to. Seems to show Interest In the things I say.
October 2, 2025
Everyone was professional and extremely kind
September 23, 2025
Dr Sullivan was very professional & caring & thoroughly explained my issue.
September 16, 2025
Good care
September 11, 2025
Great! I like his attentiveness.
August 31, 2025
I like how he explained everything.He was great.
August 30, 2025
Dr. Sullivan always listens to my concerns and questions. He clearly explains options.
August 13, 2025
Dr. Sullivan impressed me with his preparedness, his professionalism, and his congeniality. He explained things in layman's terms, listened to my answers to his questions and asked for any questions I might have. He treated me as a person and not just "data" or a "case".
August 10, 2025
Dr Sullivan was excellent. He was very thorough. Kind, knowledgeable, and answered all my questions.
August 10, 2025
I was very impressed with Dr. sullivan. He took a very long time with me, explained everything thoroughly and answered all my questions.
August 2, 2025
Dr. Sullivan is knowledgeable, kind and a great listener. He took time to explain my condition and the treatments thoroughly. He is personable while being efficient.
July 29, 2025
Dr. Sullivan and staff were very caring and thorough regarding my treatment.
July 22, 2025
Good eye contact showing that he was listening to me. Understood my concerns. Answered my questions. Never rushed me. Knowledgeable. Good bedside manner.
July 17, 2025
DrSullivan has an easy manner and is very informative. He makes sure you understand the procedure and is willing to answer all questions.
July 12, 2025
Explained condition and treatment options, and answered all questions.
July 3, 2025
Dr Sullivan is very caring and professional. He asked if I had any questions on the procedure, even though I've had the same thing done before. I would recommend him to anyone!
June 24, 2025
Dr. Sulllivan was excellent at explaining the whole procedure and shwong the current xrays to show where my condition was currently at.Very good and educational experience.
June 5, 2025
Dr Sullivan is caring and informative in his analysis of my surgery. I very very confident with his assessment and would recommend him to anyone with a similar need.
June 3, 2025
Dr. Sullivan was very understanding of my hip issue. Took his time explaining the non surgical and surgical details. He is very easy to talk with and explained the details of the path we decided to take.
June 3, 2025
Very good dr.
June 1, 2025
Concise, honest discussion regarding my options available for treatment.
May 13, 2025
Dr. Sullivan is professional and kind, explains everything well
May 1, 2025
I like Dr Sullivan very much. He's professional but not standoffish. He made sure he covered all of the info and answered my questions.
April 29, 2025
Dr. Sullivan is the best......LOVE him, Always profession and friendly. Answears every question.
April 29, 2025
Dr. Sullivan is so easy to talk to. He makes sure to explain any questions or concerns thoroughly. I trust him to provide the best care for my aging knee!
April 27, 2025
DR. SULLIVAN was very informative an listened when I spoke my concerns. I felt he was very thourough and helpful.
April 22, 2025
Dr Sullivan is wonderful!!
April 15, 2025
Excellent care. Dr. Sullivan listened carefully to my concerns and addressed them appropriately
April 10, 2025
Dr Sullivan always informative and works to find the best treatment plan for you
April 6, 2025
Kind & empathetic man, explains in language I understand
April 6, 2025
Dr. Sullivan was very pleasant and informative! I felt the information and advice were what I needed to make a good decision about course of treatment, very satisfied !
April 5, 2025
Dr Sullivan very professional. Took his time to listen and understand my issue with regard to my visit. Explained all treatment options so that I understood which option would be best at this time for treatment. Highly recomend.
April 5, 2025
He gave me the information on what I can do to help with pain.
March 18, 2025
Dr. Sullivan is excellent! Kind, compassionate, and the only orthopedic surgeon I wish to see.
March 5, 2025
Dr Sullivan was outstanding.
February 23, 2025
Everything went very smooth
February 6, 2025
Dr Sullivan Was very thorough .
February 6, 2025
Dr Sullivan is approachable and thorough.
February 4, 2025
Dr. Sullivan is very nice and explains things so I can understand what's going on.
February 1, 2025
Dr, Ryan Sullivan is a very competent doctor with excellent communications skills and a friendly demeanor.
January 30, 2025
I found Dr Sullivan kind and not dismissive. He listened to me. He was not demeaning about my weight. In fact he never mentioned it. That's a sharp contrast to the last doctor I saw.
January 28, 2025
I feel that Dr. Sullivan cares about his patients. He answered all questions asked.
January 18, 2025
Dr. Sullivan has always had a very good bedside manner. His demeanor has proven to be professional, knowledgeable, friendly and kind. And, he takes time to listen and address any concerns I may have had.
January 14, 2025
Excellent
January 14, 2025
Dr. Sullivan was terrific
January 7, 2025
Very well rounded and caring person
November 26, 2024
Service was prompt, professional, and pertinent.
August 31, 2024
Very hood
August 22, 2024
Dr Sullivan is kind and informative, he answered all questions thoroughly
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Endeavor Health and its hospitals make this provider profile available to inform patients and support their selection of a care provider.

More about Ryan

Overweight woman knee pain_900x560

There’s no way around it: carrying significant excess weight is bad for your joints. It accelerates wear and tear, and subsequent pain, on joints. It also raises the risk of setbacks following joint replacement surgery.

2 min
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