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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“I am 64 years of age and on February 21, 2012 I had an Anterior Approach Total Hip Replacement at Valley Medical Center. Choosing the right orthopedic surgeon to me was very important to a successful surgery and recovery. My primary...

- Sherrie

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

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.

Victor is no stranger to shoulder pain. Ten years ago Victor had surgery to repair his right rotator cuff. Then pain in both shoulders was again limiting Victor’s mobility and active lifestyle. His family physician referred him to VOA...

- Victor

// Craig T. Arntz, M.D.

I’m a 57-year-old guy who has worked desk jobs for the past 30+ years. I’ve been active my whole life. I enjoy playing various sports such as baseball, basketball and soccer, and outdoor activities such as long distance running, skiing and...

- Tom

// Andrew L. Merritt, 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.

Not long ago, I had an accident where I was knocked unconscious, and when I came to, I could see the bones in my arm/elbow area. This is when I met Dr. Howlett at Proliance Orthopedic Associates. Dr. Howlett had great bedside manner from the...

- Ken

// John Howlett, 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.

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I had injured my hip labrum 18 years before I saw Dr. Huang. At that point I was keeping pain under control using anti inflammatories but my limp was getting worse. I first saw Dr. Huang in February 2013 and when he asked what was a good date for...

- Jan C.

// Fredrick S. Huang, M.D.