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!

Surgeons in blue scrubs and masks collaborate in an operating room during surgery.


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!

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. 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.

PATIENT SUCCESS STORIES

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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.

POA patient Betty, 89, recently received hip replacement surgery from Dr. Merritt. She details the discomfort that led to her decision to schedule orthopedic surgery and her experience at Proliance Orthopedic Associates. Her peers call her “the...

- POA Patient Betty

// Andrew L. Merritt, M.D.

Five years ago I had my right knee replaced by Dr. Barrett. When my left knee started going out, I knew I needed to make another appointment at Proliance Orthopedic Associates to see. Dr. Barrett.  My first appointment was with PA-C Jana...

- Thomas

// Timothy B. Alton, 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.

I’m 75-year-old patient of Dr. Craig T. Arntz. On April 16, 2013, Dr. Arntz repaired my right rotator cuff. Through that procedure, along with his wonderful associates and therapy that he recommended, my shoulder has returned to full range of...

- Jessie

// Craig T. Arntz, M.D.

Watch this fascinating testimonial video from Proliance Orthodpedic Associates’ patient Betsy, who experienced osteoarthritis to the point of bone on bone. She talks about meeting with POA orthopedic surgeon Dr. William Barrett and how he...

- POA Patient Betsy

This past summer I met with Proliance Orthopedic Associates for help with my continuing back pain from degenerating discs and arthritis in my spine generating years ago in my college days in the 60s.  I met with Dr. Jason Thompson at Proliance...

- Janet

// Jason H. Thompson, M.D.

As a child I had scoliosis and had a steel rod in my back. So as an adult, when I started having numbness down my arms, I came to POA because I thought it was a problem with my back. Some tests were done, and I was diagnosed with Carpel Tunnel. I...

- Sherlyn M.

// John Howlett, M.D.

I am blessed to have found great medical personnel at Proliance Orthopedic Associates. As soon as I come into the building, I can feel that I am cared about and that I will be in good hands. I am also blessed that I was referred to Dr. Thompson...

- Richard R.

// Jason H. Thompson, M.D.

I have lived a lot of my life with limitations.  Between genetic anomalies and sports injuries, I’ve endured knee pain for more than 25 years.  As time progressed, the pain got increasingly worse and the list of things I couldn’t do got...

- Caroline E.

// Andrew L. Merritt, M.D.