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 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. 

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.

Doctor in suit explaining spine model to patient inside bright medical office with Proliance logo

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.
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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I was referred by someone whose coworker had surgery by a different surgeon from Proliance Orthopedic Associates. When I was ready to schedule my appointment, that particular surgeon’s schedule was full, so I saw Dr. Merritt instead.Based on my...

- Lynn

// Andrew L. Merritt, M.D.

“I was given a referral for Dr. Arntz years ago when I injured my left shoulder. He was a pleasant doctor and person. He suggested shoulder repair at that time. And also told me that with my condition, I would need a complete shoulder...

- Denise

// Craig T. Arntz, M.D.

The surgeries I received in 2016 were a major shoulder 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 switched...

- Jay S.

// Andrew L. Merritt, M.D.

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.

It was the day that my left knee collapsed under my own weight for no apparent reason that I realized that I could no longer ignore the pain in my knees. That moment came as a complete shock to me because I’ve been active all my life. I played...

- Douglas

// Andrew L. Merritt, M.D.

Dr Huang,Our daughter, Katie, was diagnosed with acute promyelocytic leukemia her senior year in high school, on Sept. 24th, 2011. She endured chemotherapy, 6 months of treatment and worked hard to be able to come back and play basketball for her...

- Katie's Mom

// Fredrick S. Huang, M.D.

My primary care provider referred me to see Dr. Arntz at Proliance Orthopedic Associates in Renton because I was having problems with my shoulder.  I was having extreme pain in my shoulder whenever I would reach out to grab an object, or pick up...

- Regina S

// Craig T. Arntz, 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

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 can’t say enough wonderful things about Dr. Barthel and the entire Proliance Orthopedic Associates staff. I’ve never experienced such thoughtful and compassionate care from a medical facility like I have at Proliance Orthopedic...

- Jessica