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.

a set of keys

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.
Doctor explaining spine model to female patient in a bright office with window blinds and greenery outside.

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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We spend our summer months traveling so I put off going to the doctor until June of 2013 when I was having so much pain that we had to cut our travel plans short and had to return home. I was told that I needed a total hip replacement, but I...

- Joy

// 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.

I visited the Proliance office in severe pain. Forty years ago, I had been in a terrible car accident as a teenager where my hip was dislocated and had been walking with a limp for the past 10 years. It was getting harder to ride my bicycle and...

- Juan S

I have now had 2 surgeries at Proliance and Valley Medical and they were both top notch. First was hip replacement with Dr. Barrett a few years ago. There’s a very good reason he has been on the “Top Doctor” list for so many...

- Sue W.

I was lucky to have had a wonderful experience today spending it in the VOA Surgery Center. From the time upon admitting, to surgery, recovery, and discharge the staff was so caring, kind, and compassionate about the patient, and the procedure to...

- Rebecca

Below is a great testimonial video from our patient Donald! He said, “From the first day I walked in here I had zero pain. Not one thing that was done to me in the hospital caused me any pain.” We’re so glad that we could help Donald with...

- Donald

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

Dr. Fredrick S. Huang
,I can’t tell you enough what a different person Chad is lately. He’s swimming and biking a lot, and slowly adding more activity. He is so much happier when he’s not in pain. I didn’t really understand the daily...

- Angie (Mom of patient)

// Fredrick S. Huang, M.D.

I’m just another success story on Dr. Barrett’s file. Almost four months out I’m happy to have my new knee. Although rehab is still in progress, I can barely catch up with the knee as it walks all by itself – no pain....

- Oleg G.

In June 2010, I had surgery on my lower back. Until then, I was in serious and debilitating constant pain and had been for many years. I was on large dosages of pain meds that only took the edge off of the pain I was experiencing. The meds were...

- Lynne

// Jason H. Thompson, M.D.