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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 fororthopedic and spine care by U.S. News & World Report. Out of thousands of facilities reviewed nationwide, only aselect 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. Gregorio 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

I was referred to Proliance and Dr. Howlett due to a fall I took where I fractured my left arm just below the shoulder. When I first went in to see him I was in quite a bit of pain. The people who worked with me were very conscientious of that...

- Carolyn M.

// John Howlett, M.D.

Dr. Huang and Medical Team,Since my surgery last October 2010, I wanted to share my adventures on the road to recovery and provide photo evidence. You cleared me to start getting back into jogging at 16 weeks post-up.April 2011 (24 wks) :...

- Mae

// Fredrick S. Huang, M.D.

Check out this wonderful testimonial video from a Proliance Orthopedic Associates patient! Cathy C. shares her POA experience through kind words about her knee replacement surgery and POA orthopedic surgeon, Dr. William Barrett. Cathy, as a part...

- Cathy

Dear Doctor Arntz,I have finished my course with Christine and Jan at the Kent gymnasium center. What superb and sensitive therapists they are! Never a moment wasted in trying to discern what to do, using my right side and shoulder. They already...

- Herb Coursey

// Craig T. Arntz, M.D.

I am so grateful to you for the surgery you did on my right shoulder! I couldn’t be happier! Thank you to you and Roxanne for all you have done to get me through my first surgery. Everything was exactly as the portfolio you gave me said...

- Y.R.

// Craig T. Arntz, M.D.

I had the pleasure of being a patient of Dr. Howe’s. Formerly in the Nursing/Surgical field 10+ years at Swedish and 10+ years in a Supervisory position, seeing the rapid change in healthcare, I was amazed by the kindness, compassion, and...

- Christine R.

// Chris R. Howe, M.D.

I began my career as a mountain guide taking people to the summit of Mt Rainier in 1968 at age 17. Many years and hundreds of summit ascents later, my knees were shot. I consulted with Dr. Barrett and subsequently decided to go with...

- Joe H.

January, 2013I am 59 years old and have suffered for years with Oesteoarthritis in my knee due to sports injuries. I tried to prolong the life of the knee with cortisone and viscous shots but finally reached a point where my quality of life had...

- Dinah

Thanks to all of you at Proliance for making my trip to Katmai Alaska possible. The trip was very difficult physically and would have been impossible without the knee replacement.

- Bruce

Due to the fact I injured my knees severely when I was young and playing sports. I was in need of total knee replacement for both knees. After exhausting every non-invasive way of providing relief I went forward. I am in my mid forties and after...

- Tom