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SCHEDULING MADE EASY

Choose your provider, pick your time, and book online. No back-and-forth needed.

To book an appointment with your preferred provider, please visit their profile on our website and book directly at the link found under their photo!

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Proliance Surgery Center at Valley

Named Best Ambulatory Surgery Center by U.S. News for 2025

Proliance Surgery Center at Valley has been named one of the 2025 Best Ambulatory Surgery Centers for orthopedic and spine care by U.S. News & World Report. Out of thousands of facilities reviewed nationwide, only a select few earned this honor — Proliance Surgery Center at Valley among them.

OUR APPROACH TO ASC CARE

POA: Named Top Orthopedic & Surgical Care Provider in WA!

We are excited to announce that we have been named one of the top orthopedic and surgical care providers in Washington by Castle Connolly for 2025!

What Sets Us Apart

Proliance Surgery Center at Valley

Recognized as Top 20 ASC Performing Most Knee Replacements!

POA is among the top 20 ASCs that performed the most total knee replacement procedures in U.S. in 2022, click through to view the entire list!

Learn more:

Introducing Our Newest Providers

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Matthew Lyons, MD

Matthew Lyons, joins Proliance Orthopedic Associates in July, 2026, and brings a depth of expertise to our Shoulder and Sports Medicine teams. Dr. Lyons currently works in both our Renton and Maple Valley clinic locations.

To book an appointment with Dr. Lyons, click the link below!

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Tim Stensby, PT

Tim provides care for a wide range of conditions and has experience working with student athletes, including enhancing running techniques for track and field participants.

To book an appointment with Tim, click the link below!

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UNMATCHED
SPECIALIZED
CARE

Find the care you need, when and where you need it, with the region's most comprehensive orthopedic care.

Relief for Chronic Back Pain

At Proliance Orthopedic Associates, we’re proud to provide compassionate, patient-centered orthopedic care that helps you get back to doing what you love. In this video, Dr. Thompson shares how our team combines advanced techniques, surgical precision, and personalized treatment to restore mobility and improve quality of life.

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Overcoming Debilitating Neck Pain

When pain limits your movement, every step can feel uncertain. In this video, Alicia shares how the specialists at Proliance Orthopedic Associates helped her return to an active, fulfilling life through expert orthopedic care and genuine compassion.

A Surgery Center with Care Built Around You

At our Ambulatory Surgery Center (ASC), advanced technology meets personalized care. Our board-certified surgeons and dedicated staff deliver world-class orthopedic procedures in a comfortable, patient-focused environment — helping you heal faster and return to the activities you love.

HELPFUL RESOURCES

PATIENT SUCCESS STORIES

Over the years, Pauline has had four surgeries with Proliance Orthopedic Associates orthopedic physician Dr. Craig Arntz. She has had two hand surgeries, as well as both right and left shoulder surgery. She discusses how she is virtually...

- Pauline

// Craig T. Arntz, M.D.

On May 19, 2008, Geoffrey had his left hip replaced after living with bone-on-bone pain for almost two years.“All of the cartilage was gone,” Geoffrey said. “I ran track and raced jet skis. I just wore it out,” Newing...

- Geoffrey

Joel discusses his wife’s chronic pain, hip surgery and road to recovery with Dr. Merritt.

- Joel

// Andrew L. Merritt, M.D.

“I had thumb reconstruction with Dr. Shrivastava at Proliance Orthopedic Associates. Everyone at Proliance Orthopedic Associates is so nice and professional. I’ve had three surgeries here with two to go, I wouldn’t go anywhere else...

- Victoria

// Niket Shrivastava, M.D.

After a fall at the gym, Logan broke both his left radius and ulna. Dr. Cero’s work on Logan’s arm has helped him get back on the court.If you suffer a sports-related injury, such as an ACL or rotator cuff tear, or wrist or shoulder...

- Logan

Enjoy this detailed testimonial video from POA patient Lloyd. He walks us through his experience as a patient of POA physician Dr. Craig T. Arntz. From diagnosis to surgery, Lloyd was in the best hands at Proliance Orthopedic Associates. We’re...

- Lloyd

// Craig T. Arntz, M.D.

Dr. Merritt performed a hip replacement on my dad, who was then 90, in the spring of 2015, using the anterior approach. In my opinion, this surgery saved my father's life. At the time, he was spiraling downhill on several fronts. Because hip...

- Richard B.

// Andrew L. Merritt, M.D.

I am writing this letter to thank Proliance Orthopedic Associates and Dr. Susan Cero for making my joint replacement surgery a complete success. The surgery was performed on May 18, 2015. The outcome is much better than expected. The joint...

- Jana T.

We wanted to write and say thank you for your work on George’s hand injury. It has been 2.5 years since the accident and he has regained 80-85% use of his right hand, including the ability to write and fish. We truly believe you were an...

- George and Dottie J.

// John Howlett, M.D.

I’ve seen Dr. Howlett multiple times for problems with my hands. Dr. Howlett has the most calming personality that really inspires confidence as a patient. He’s great at calming my fears and what I appreciate the most is that he really...

- Sandra W.