What patients are saying
Overall rating
4.90
Average wait time
4.45
Bedside manner
4.90
“The visit was excellent, Dr explained and clarified all the details
He called and followed up with the results of mri immediately
He was very courteous and mentioned if I have problem call any time
”
Prakash A.August 21, 2025
“My visit was to access the doctor’s opinion about a possible knee replacement. He was on time and spent as much time as needed answering our questions. ”
Tony L.July 24, 2025
About Dr. Kevin Cassidy
Dr. Kevin Cassidy is a board-certified and fellowship-trained orthopedic surgeon who specializes in the operative and nonoperative management of hip and knee arthritis, as well as complex primary and revision joint replacement. He has also been trained in partial knee replacement, computer-assisted surgery, robotic-assisted surgery, and the anterior approach to hip replacement.
Dr. Cassidy is originally from Queens, New York, and attended the prestigious Regis High School in Manhattan. He completed his undergraduate education at Lehigh University, where he graduated with honors with a bachelor of science in biochemistry. In 2008, he earned his medical degree from New York University School of Medicine at Langone Medical Center.
Dr. Cassidy then completed a five-year residency program in orthopedic surgery at New York Presbyterian Hospital - Columbia University Medical Center in 2013, where he served as chief resident during his final year. During his residency training, Dr. Cassidy was honored with several awards, including the award for clinical excellence in 2010 and the award for excellence in trauma care in 2011. He was also named resident of the year and teacher of the year in 2013. After his residency training, Dr. Cassidy completed a fellowship in adult reconstruction and joint replacement at the Hospital for Special Surgery.
Dr. Cassidy is a member of the medical staff at both North Shore University Hospital at Manhasset and St. Francis Hospital. He is a candidate member of the American Academy of Orthopaedic Surgeons. Dr. Cassidy has produced multiple publications, including a textbook chapter and a peer-reviewed journal article. He has also presented his research at multiple national meetings.
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Areas of expertise
This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
Arthritis
Hip replacement
Fracture/dislocation treatment knee
Pain in joint
Knee replacement
Fracture/dislocation treatment pelvis/hip/femur
Arthritis
Hip replacement
Fracture/dislocation treatment knee
Pain in joint
Office locations
OAM - Orthopedic Associates of Manhasset (1 of 2)
600 Northern Blvd, Ste 300, Great Neck, NY 11021
OAM - Orthopedic Associates of Manhasset (2 of 2)
532 New York Ave, Huntington, NY 11743
1 of 2
Education and background
Practice names
Hospital affiliations
- North Shore University Hospital
- St. Francis Hospital
Board certifications
- American Board of Orthopaedic Surgery
Education and training
- Medical School - New York University Elaine A. and Kenneth G. Langone Medical Center, Doctor of Medicine
- Lehigh University (Bachelor's)
- NewYork-Presbyterian Hospital / Columbia University Medical Center, Residency in Orthopedic Surgery
- Hospital for Special Surgery, Fellowship in Adult Reconstruction Surgery and Joint Replacement
Professional memberships
- American Academy of Orthopaedic Surgeons
Awards and publications
- Dr. Kevin Cassidy is awarded for clinical excellence in 2010 and the award for excellence in trauma care in 2011. He was also named resident of the year and teacher of the year in 2013
- Dr. Cassidy has produced multiple publications, including a textbook chapter and a peer-reviewed journal article. He has also presented his research at multiple national meetings.
Languages spoken
- English
Provider's gender
Male
NPI number
1215196464
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.90
Wait time
4.45
Bedside manner
4.90
Your trust is our top concern, so providers can't pay to alter or remove reviews. We also don't publish reviews that contain any private patient health information. Learn more here
78 reviews
Most relevant
Very nice office and the doctor was wonderful.
January 18, 2026Merrilee D.Verified patient
The visit was excellent, Dr explained and clarified all the details
He called and followed up with the results of mri immediately
He was very courteous and mentioned if I have problem call any time
August 21, 2025Prakash A.Verified patient
Very satisfying, no complaints
July 26, 2025Jocelyne G.Verified patient
My visit was to access the doctor’s opinion about a possible knee replacement. He was on time and spent as much time as needed answering our questions.
July 24, 2025Tony L.Verified patient
Very efficient, knowledgeable, patient responsive, and met my goals.
Of course, my knees are aging, and I have to be more careful and cognizant of my life choices and behaviors. However the medical attention I got, with the treatment was appreciated.
More than 1 year agoSara M.Verified patient
The whole staff was very pleasant and helpful, and Dr Cassidy made me feel very comfortable and answered all my questions. He has a great bedside manner. Excellent experience all around.
November 1, 2024Michael M.Verified patient
I was given Good advice
August 23, 2024Kathleen F.Verified patient
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How soon can I make an appointment with Dr. Kevin Cassidy?
Generally, Dr. Kevin Cassidy has appointments available on Zocdoc within 1 week. You can see Dr. Cassidy's earliest availability on Zocdoc and make an appointment online.
Is Dr. Kevin Cassidy accepting new patients?
Dr. Kevin Cassidy generally accepts new patients on Zocdoc. You can see Dr. Cassidy's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. Kevin Cassidy accept my insurance?
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Can I make an appointment with Dr. Kevin Cassidy online?
Yes, you can make an appointment online with Dr. Cassidy using Zocdoc. It’s simple, secure, and free.
Which hospital is Dr. Kevin Cassidy affiliated with?
Dr. Kevin Cassidy is affiliated with North Shore University Hospital and St. Francis Hospital.
What practice does Dr. Kevin Cassidy work with?
Where is Dr. Kevin Cassidy's office located?
Dr. Kevin Cassidy has 2 office locations, including in Great Neck and Huntington, view full addresses on Dr. Cassidy's profile.
Which board certifications does Dr. Kevin Cassidy have?
Dr. Kevin Cassidy is certified by American Board of Orthopaedic Surgery.
What are common reasons for patients to see Dr. Kevin Cassidy?
Dr. Kevin Cassidy frequently sees patients for Arthritis, Hip Pain, Knee Pain, Knee Problems, and MRI Report - Knee. You can see other visit reasons for Dr. Kevin Cassidy on their profile.
What languages does Dr. Kevin Cassidy speak?
Dr. Kevin Cassidy speaks English.
How do patients rate Dr. Kevin Cassidy in reviews?
78 patients have reviewed Dr. Kevin Cassidy. The overall rating for this doctor is 4.9/5. They have a 4.9/5 rating for bedside manner and a 4.45/5 rating for wait time. You can read individual reviews and ratings on their profile.