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 recently dislocated my shoulder twice playing hockey and decided it was time to fix the problem before it got any worse. I had an unreal experience at Proliance Orthopedic Associates, all real nice people. Everyone helped me with getting ready...

- Tyler C.

// Craig T. Arntz, M.D.

My name is Annmari and I am 53.  I have been Dr. Howlett’s patient for a little over 3 years now.  I broke all three bones in my ankle and luckily Dr. Howlett was in the emergency room when I got there and he did my surgery that night.  When...

- Annmari D.

// John Howlett, M.D.

Dr. John Howlett is awesome! I’m a traumatic brain injury patient; broken neck along with other injuries including my right hand was injured at the time of I was a passenger in an ATV accident.  I was flown from Yakima to Harborview in...

- Anita

// John Howlett, M.D.

I first met Dr. Howlett in the ER when I broke my shoulder, he was the on-call doctor and I’m very glad that he was. He did surgery on my shoulder and was extremely thorough in explaining the injury as well as what needed to be done to fix it....

- Betty M.

// John Howlett, 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.

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.

My surgery was on May 26, 2015 (my birthday).  I was very aggressive with my rehab and was able to ski that first winter (6 months from surgery) and was already back to hiking.  Today, I do an early morning hike up Pinnacle Peak just outside of...

- Pat

Dear Dr. Howlett,I have had many surgeries, but I have seldom had the care that you took to explain the process I would go through. After the surgery, when I saw the X-rays, and the incision, I could tell that you had done an excellent job. More...

- Dawn

// John Howlett, M.D.

I had a hip replacement in September and am doing great. Dr.Cero and her staff were exceptional. Dr. Cero requested that the surgery and recovery would be a lot better if I was to lose some weight. I took her advice and extended my surgery a few...

- James

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.