Doctor examining patient's back pain with hands while patient holds lower back in discomfort

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.

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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!

a group of surgeons performing surgery


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!

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!

Book An Appointment
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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!

Book An Appointment

UNMATCHED
SPECIALIZED
CARE

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

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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.
Orthopedic doctor in scrubs consulting a seated patient in a modern clinic room with Proliance logo visible.

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

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“After three decades of reoccurring back problems involving infrequent but sometimes serious sciatic nerve pain, I finally decided that I needed to find a doctor whom I could trust to give me a professional and unbiased analysis of my...

- Larry

// Chris R. Howe, M.D.

I could barely walk. Movement–even turning in bed–was torture. This went on for years. Two hip replacements later, three months apart, and it was as if I’d been granted a new life. The surgeries, which I’d been dreading,...

- Judy

The surgeries I received in 2016 were a major rotator cuff surgery from Dr. Arntz in April and a total knee replacement in June by Dr. Merritt. I was referred by Dr. David Sweiger who took the time and interest to try to help me. So glad I...

- Jay S.

// Craig T. Arntz, M.D.

Dear Dr. Barrett,Thank you for taking my husband under your care and facilitating a very successful left total hip replacement outcome.During his follow-up visit you asked him how he viewed his recovery with the anterior approach.  His response...

- Wendy

Thanks from a Mountain ClimberDr. Barrett performed total knee replacements on both of my knees. They are not like original equipment, but they do work well enough for me to do this!

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Proliance Orthopedic Associates and Dr. William Barrett are rare finds in healthcare and surgery.  In my 72 year lifetime, and 50 years as a health care professional, I have a multitude of experiences with doctors, health care systems and...

- B. Noelani Hong

I was told by 2 surgeons that I needed both knees replaced but I’d better get them done together as it’s so painful that I’d never come back to get the second one done. I was also told that my activities would be very limited as...

- Monica F.

Today marks my one week post op anniversary for my left hip surgery! I am amazed my pain is gone only tenderness in incision site.  I’m an old 70 year retired R.N. and recognize an outstanding medical office-which I found at your office from...

- Sallee

I had total hip replacement April 3, 2012. I hit the slopes for the first time today since surgery. What a difference this new hip makes! Dr. William Barrett you are the best!!!!!!

- Diana

In my case, I really can’t pin down when my right hip started causing problems. I can, however, pin down when the problem got really bad – November, 2012.The trek started from Jiri, Nepal, a long day’s car ride to the East of Kathmandu....

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