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 had total hip replacement April 3, 2012. I hit the slopes for the first time today since surgery. What a difference this new hip makes! Dr. William Barrett you are the best!!!!!!

- Diana

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 began my career as a mountain guide taking people to the summit of Mt Rainier in 1968 at age 17. Many years and hundreds of summit ascents later, my knees were shot. I consulted with Dr. Barrett and subsequently decided to go with...

- Joe H.

After a fall at the gym, Logan broke both his left radius and ulna. Dr. Cero’s work on Logan’s arm has helped him get back on the court.If you suffer a sports-related injury, such as an ACL or rotator cuff tear, or wrist or shoulder...

- Logan

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 finally decided to do something serious about my basketball knee (surgery in 1978 to remove part of meniscus cartilage), injured from playing at 45 long after I should have quit. So, I had knee replacement about 1 year ago – Sept 9, 2014....

- Eugene W.

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 in pain for five years before I came here. I could hardly walk because the pain in my back, butt, and leg was so severe. I went to my doctor who did some tests, and finally, he told me that I needed a hip replacement. I had my left hip...

- Sherry

// Andrew L. Merritt, M.D.

Due to the fact I injured my knees severely when I was young and playing sports. I was in need of total knee replacement for both knees. After exhausting every non-invasive way of providing relief I went forward. I am in my mid forties and after...

- Tom

// Fredrick S. Huang, M.D.

The surgeries I received in 2016 were a major rotator cuff 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...

- Jay S.

// Craig T. Arntz, M.D.