Dr. Samuel Koo

07/31/2025

A bicep tear can happen suddenly during heavy lifting or develop gradually from wear and tear. Symptoms often include sharp pain in the front of your shoulder, weakness, and sometimes a noticeable bulge in your arm. If you’ve been experiencing these signs, it’s important to get a proper diagnosis to prevent further damage.

Our team are experts in evaluating and treating bicep injuries to help you regain strength and function.

Seattle-area surgeon Samuel Koo, MD has won Castle Connolly Top Doctor awards every year for the past 8 years and specializes in bicep tears.

07/29/2025

Shoulder arthritis is a common cause of pain and stiffness that can limit your ability to move freely. It occurs when the cartilage cushioning your shoulder joint wears down, leading to inflammation and discomfort. If you’re noticing persistent shoulder pain or difficulty with daily activities, it might be arthritis.

We offer advanced treatments to help manage pain and improve your shoulder function. Don’t let arthritis slow you down!

Samuel Koo, MD, MPH is a fellowship-trained shoulder specialist in Kirkland, WA who performs more than 375 shoulder surgeries each year. Schedule today!

07/23/2025

Frozen shoulder, or adhesive capsulitis, causes stiffness and pain that gradually limit your shoulder’s range of motion. It can develop after an injury, surgery, or even with no clear cause, making everyday activities challenging. Early diagnosis and treatment are key to regaining movement and reducing discomfort.

If you’re experiencing persistent shoulder stiffness, our team can help create a personalized plan to get you moving again.

Samuel Koo, MD, MPH is a fellowship-trained shoulder specialist in Kirkland, WA who performs more than 375 shoulder surgeries each year. Schedule today!

07/21/2025

Shoulder arthroscopy is a minimally invasive surgical technique that allows our specialists to diagnose and treat various shoulder conditions using small incisions and a tiny camera. This approach means less pain, quicker recovery, and a smaller scar compared to traditional surgery.

If you’re struggling with persistent shoulder pain or limited movement, shoulder arthroscopy might be the solution to get you back to doing what you love.

Samuel Koo, MD, MPH is a fellowship-trained shoulder specialist in Kirkland, WA who performs more than 375 shoulder surgeries each year. Schedule today!

07/17/2025

Slouching at your desk? Shoulders feeling tight or rounded forward? You’re not alone but there is something you can do about it!

Check out these 6 simple exercises that help open up your chest, strengthen your back, and fix those postural imbalances. Bonus: Most of them take less than 5 minutes!

Rounded shoulders are a common issue for many people. Learn six stretching exercises that you can use to open up your chest, relax your shoulders, and correct your posture.

07/15/2025

Experiencing pain under your shoulder blades that just won’t go away? It could be more than just a pulled muscle or poor posture.

Dr. Samuel Koo breaks down the 10 most common causes of this type of pain from muscle strain and poor posture to serious conditions like heart disease and gallbladder issues.

Read the full article to learn what your shoulder blade pain could be telling you.

Pain under your shoulder blades can be a cause for concern. Discover 10 common causes and when to seek medical attention.

07/11/2025

Shoulder pain and stiffness making everyday moves tough? It could be arthritis that pesky inflammation that wears down the cartilage in your joints. Whether it’s lifting your arm, reaching up high, or brushing your hair, arthritis in the shoulder can really slow you down. The good news? There are treatments that can help you manage the pain and keep moving.

Learn more about shoulder arthritis, symptoms, and treatments:

Simply defined, arthritis is inflammation of a joint. In an arthritic shoulder, inflammation causes pain and stiffness. This article looks at the five different types of arthritis that typically affect the shoulder and describes their treatment options.

07/07/2025

Did you know that pain at the top of your shoulder could be caused by issues with your AC joint? The acromioclavicular joint connects your collarbone to your shoulder blade and plays a crucial role in shoulder movement. Injuries or arthritis in this joint can cause discomfort, swelling, and limited motion.

If you’re experiencing persistent shoulder pain, don’t ignore it early diagnosis and treatment can make all the difference! Dr. Koo is here to help you get back to pain-free movement.

Samuel Koo, MD, MPH is a fellowship-trained shoulder specialist in Kirkland, WA who performs more than 375 shoulder surgeries each year. Schedule today!

07/04/2025

🇺🇸 Happy 4th of July from Dr. Samuel Koo and our team!

We’re proud to celebrate the land of the free and the home of the brave. Whether you're enjoying fireworks, family BBQs, or just some much-needed rest, we hope your day is full of joy and safety! 🦴 And remember if too much fun leaves you with a strain, we’re here to help you bounce back!

07/02/2025

Shoulder pain slowing you down? A rotator cuff injury could be the culprit. Whether it’s a tear, inflammation, or just general wear and tear, we’ve got treatments to get you back in action. From physical therapy to minimally invasive surgery, our team is here to help.

Schedule a consultation today!

Samuel Koo, MD, MPH is a fellowship-trained shoulder specialist in Kirkland, WA who performs more than 375 shoulder surgeries each year. Schedule today!

06/26/2025

If your shoulder feels like it’s giving way or feels loose, you might be dealing with shoulder instability. This condition can make everyday activities like lifting, reaching, or even throwing feel challenging.

Dr. Samuel Koo and team specialize in diagnosing and treating shoulder instability with personalized solutions to help you regain strength and stability. Ready to get back to pain-free living? Give us a call today!

Dr. Samuel Koo is a board-certified Seattle-area shoulder instability specialist who performed more than 375 shoulder surgeries in 2021.

06/24/2025

Dr. Koo treats each patient with integrity and empathy, treating each patient as if he were caring for his wife or children.
Have you had a good experience? We would love to hear about it. https://bit.ly/46BULh0