Upper Hand Orthopedics
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Upper Hand Orthopedics
Dr. Peter Tsai is a board-certified hand surgeon and a respected expert on nerve entrapment syndromes such as such as carpal tunnel syndrome, cubital tunnel syndrome and radial nerve issues. He also takes care of other hand and arm problems such as tendonitis, arthritis of the arm and hand, fractures of the arm and hand, elbow pain as well as shoulder issues.

After graduating magna cum laude from Brown University, Dr. Tsai attended medical school at New York University and pursued his residency at one of the top ten orthopedic hospitals in the country. Your hands and arms are vital to your quality of life and, often, your work. When you lose mobility due to injury or disease, you want to put your trust in the best possible care.
Services
Our Corvallis and Lebanon offices have some of the MOST EXPERIENCED hand therapists to care for your upper extremity rehabilitation needs. We have both OCCUPATIONAL and PHYSICAL THERAPISTS who through advanced training and clinical experience excel at the treatment of pathological upper extremity conditions resulting from trauma, disease, congenital or acquired deformity.
In normal joints, the end of the bone is covered with cartilage that serves as a shock absorber to allow smooth, pain-free movement. In osteoarthritis, that cartilage layer wears out, resulting in direct bone-to-bone contact and producing pain and deformity. One of the most common joints to develop osteoarthritis in the hand is the base of the thumb.
Reviews (11)
Jacob W. Melton
Jacob W. Melton
Jan 27, 2022
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Dr. Pennington was thorough and did a good job with my labrum surgery. As an athlete I needed the surgery to return me to as close to preinjury strength and mobility as possible. I believe that Dr. Pennington did that. 9 months out from operation, I have full mobility and better strength than I did before the injury. I am thankful for all of the staff at the office and in the hospital!
Larry Christophersen
Larry Christophersen
Jan 26, 2022
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Dan know his stuff. He gave me a thorough explanation of my shoulder pain and the cause
I got injection to temporarily relieve pain. It is working the great results. I’ll schedule surgery in the near future. Thanks Dan!
Martha Mowdy
Martha Mowdy
Jan 18, 2022
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I have had surgery on both of my shoulders.
Dr. Pennington is by far the best surgeon to have for Rotator cuff surgery.
My shoulders were very painful and I couldn't move my arms out and up without causing me great pain.
Thanks to Dr. Pennington I can once again move my arms pain free.
Thank you so much Dr. Pennington.
You are the greatest.
I recommend. Dr. Pennington to everyone I know.
Stacey Nesting
Stacey Nesting
Jan 18, 2022
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Dan and the team at Upper Hand are incredible to work with! They listen to their patients and proved excellent care. I appreciate the fact they spend as much time as needed to insure the patient has a clear understanding of the outcomes and post op care.
Christine
Christine
Jan 17, 2022
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I wanted to go to a sports medicine doctor for my shoulder and I am grateful to have found Dr Pennington, who specializes in shoulders.
Although, it is an 1 hour and a half driveto get to Upperhand, in Corvallis, it is worth it. The staff is professional, but friendly. Dr Pennington and his assistant explained in detail what was going on with my shoulder and answered all my questions regarding surgery and recovery. A course,, I had to be diligent with P.T. afterwards, but I am very pleased with the outcome.
Mike Sessa
Mike Sessa
Jan 16, 2022
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Everyone at Upper Hand Orthopaedics is very cordial, organized, and exceptionally professional. Specifically, I had my frozen shoulder recently evaluated by Dan Stenger who supports Dr. Pennington. Dan has a wonderful demeanor, many years of experience, and an outstanding knowledge base. He provided excellent care and I'm now on the mend. I highly recommend this practice for all your orthopedic needs.
Nancy George
Nancy George
Jan 16, 2022
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I had a severe rotator cuff injury on my dominate side. Dr. Pennington took the time to explain the surgery and recovery process both before and after the procedure. He ensured that I had physical therapy and actively monitored my progress over many months. He was kind and encouraging. I would highly recommend him to anyone facing orthopedic surgery.
Tommy Morris
Tommy Morris
Jan 12, 2022
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Great patient care, very thorough, professional. Dan talks right to you as if you were a friend, includes your family as well with information about your health situation. Does not rush you, making sure you understand everything that is going on.
Lance Leslie
Lance Leslie
Jan 12, 2022
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I appreciate the care an concern for my health an wellbeing! Also for the time Dr Donald Pennington an Dr Dan took to see to my surgery’s with my knee!! I highly recommend Dr Pennington an Dr Dan for knee surgery’s! Great place to go at Upperhand orthopedics!!
Teresa Whitbeck
Teresa Whitbeck
Jan 10, 2022
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From my first time visiting the office it was great.. the entire staff was understanding, caring, thorough and professional. A special thank you to Dan for taking time with me before and after surgery to understand all the details and put my mind at ease..Thank you Dr Pennington for your expertise I’m excited to get back to normal once again 😊
Bachtuyet L.
Bachtuyet L.
Dec 05, 2020
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Don't break your hand (oops), hurt your wrist, fracture your arm, etc. If, god forbid, you do injure your upper extremity, I recommend Dr. Tsai at Upper Hand Ortho. He will not cut you, unless he thinks you need it. He also has certified hand therapists on staff to help you get back to functioning and using your upper extremity. I say certified hand therapists, because they receive extra training in the hand/wrist. Before coming to see Greg here at Upper hand Ortho, I saw another occupational therapist who was not a CHT. However, she works in an office where there is ONE hand therapist and