Mirza M Ather, MD
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Mirza M Ather, MD
Mirza Orthopedics is Long Island's leading orthopedic practice specializing in the treatment of all types of hand, wrist, elbow and shoulder conditions. We're dedicated to providing personalized and expert care using the most advanced surgical techniques, including minimally invasive and arthroscopic surgeries.

We're committed to improving treatment outcomes and finding better ways to fix painful conditions and injuries impacting the hands and upper extremities. That's why our Long Island orthopedists have devoted much of their careers to clinical research and developing innovative devices and surgical techniques.
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Mirza Orthopedics is the premier orthopedic hand, wrist, elbow & shoulder center on Long Island, serving active patients of all ages from Suffolk County, Nassau County and beyond. Our Smithtown-based practice offers the latest nonsurgical and surgical treatment options for all types of hand and upper extremity injuries and conditions.
Justin Mirza, D.O. is a Long Island based orthopedic surgeon at Mirza Orthopedics. Dr. Mirza graduated New York College of Osteopathic Medicine in 2009 and went on to finish his residency in orthopedic surgery at North Shore Long Island Jewish in 2014 and a fellowship in Hand surgery at Stony Brook University Hospital in 2015.
Phillip T. Guillen, MD, is a Board Certified Long Island based orthopedic surgeon who is fellowship trained to provide comprehensive, state-of-the-art surgery for the bones, joints, tendons, nerves and muscles of the hand and upper extremity for both adults and pediatric population. Most recently, he completed a hand and upper extremity surgery fellowship at the prestigious Stony Brook Medical Center in Long Island, N.Y.
You rely heavily on your hands to perform routine tasks on a daily basis. From the tips of your fingers to the base of your palms, to the wrists and up into your arms, there are numerous bones, muscles, ligaments, and tendons that work together to provide a wide range of motion and functionality.

The sheer frequency with which you use your hands makes them more prone to injury - it also means that when you develop a painful condition or sustain an injury impacting one or more hands, getting treatment is crucial to restoring function and maintaining your everyday routine.There's a wide range of possible causes that can contribute to hand pain and hand-related problems.
Locking fingers, also known as trigger fingers, is a condition that affects the tendons in your fingers, which can lead to limited finger movement. It can impact any of your ten fingers, including your thumbs. The condition involves the long tendons in the hands called the flexor tendons, which extend from the wrist and attach to the bones in your hands.
Reviews (10)
Vincent Bifano
Vincent Bifano
Jan 26, 2022
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I am grateful to have found Dr. Mirza. After seeing three other hand doctors I finally got relief with repair and treatment recommended by Dr. Mirza. He also did a surgical repair of a torn Achilles tendon that I suffered. I personally recommend him to all of my friends who suffer from joint issues and need a good experienced orthopedist.!
Mike Fettig
Mike Fettig
Jan 25, 2022
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Dr Ather Mirza and the entire staff at Mirza Orthopedics are true professionals who go above and beyond in every way possible. Dr Mirza's thoroughness and pro-active approach unquestionably made all the difference in diagnosing and treating what other Dr's were not able to see. I would highly recommend this practice to my family and friends and will be forever thankful to Dr Mirza and the Team.
Tara Diamond
Tara Diamond
Jan 24, 2022
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At Mirza Orthopedics expect only the best, from the first phone call, and throughout your journey of healing. You are in good hands.
Kenneth Mott
Kenneth Mott
Jan 24, 2022
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I have been a patient of Mirza Orthopedics for two years now, and I would highly recommend them for all your orthopedic needs. The staff is great and Dr. Guillen is an awesome surgeon!
Wanda Seay
Wanda Seay
Nov 13, 2021
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Dr.J.Mirza and PA Joe are a wonderful team.I had plate removal from my left arm. I will recommend anyone to Dr.Mirza office. I have known Dr. A. Miraz for over 20 years they are the best. Continue to do a wonderful job. When visiting the Dr. office Jackie sure that everything is good before you leaving the office. Everyone is very pleasant.
Physical therapy team are the best...Pat, Bea and Olivia
Heather S.
Heather S.
Nov 02, 2021
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Dr. Guillen is the best, the office is so friendly and know me when I walk in the door. When I got surgery on my shoulder he went through the details and after surgery he seen me and my should is much better than before surgery. He is a caring well spoken doctor who makes me feel comfortable and not anxious when I see him.
Linda Talay
Linda Talay
Oct 21, 2021
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Justin and his staff are so personable. They listen and understand your concerns. Very professional yet you feel like old friends from way back. My surgery was better than I expected and the recovery is going well. I highly recommend him to everyone I know.
Denise Latronica
Denise Latronica
Oct 17, 2021
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Everyone at Mirza Orthopedics is very helpful, caring and professional. Dr. Justin Mirza & associate Joe have been there for me, every step of the way. DR. Mirza has my utmost respect and full confidence to perform the surgery that is needed on my shoulder ⚕
Michelle Garry
Michelle Garry
Oct 02, 2021
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Dr. Justin Mirza is everything you could ask for in a doctor. He truly cares about his patients. He explains every option and outcome in such a way that makes decision making easy. He has operated on my 17 year old 2 times for different sports injuries and every aspect of his care was met with the highest degree of expertise and professionalism. The office staff ( from the minute you enter) is welcoming and efficient. High marks also to PA Joe Patti… North Shore Surgery Center is immaculate and staffed with caring, attentive and top notch nurses that obviously love their jobs and the patients
Deserae Brown
Deserae Brown
Sep 15, 2021
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Dr. Mirza is an amazing doctor. He explains everything in a way that anyone would be able to understand. He answered all my questions. Everyone in the office is very pleasant and welcoming. I would recommend Mirza Orthopedic to anyone that needs medical attention to their hands or wrists.