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 very pleased with the results of my hip replacement surgery last July, 2015. One of my primary goals was to hike with my husband again, and I’ve been able to do that! We have hiked in California, Arizona and many other states this winter...

- Ramona

// Andrew L. Merritt, M.D.

Full right hip replacement by Dr. Barrett 12-19-16.  PAIN-FREE hike up Diamondhead on 7-15-17.  Thank you Proliance Team!!!!

- Brian C.

I had my right hip replaced 7 weeks ago with Dr. Alton and I am very pleased. I came to see Dr. Alton at Proliance Orthopedic Associates because my right hip kept dislocating and it was extremely painful. My hip dislocated 4 times in 8 months,...

- Janice

// Timothy B. Alton, M.D.

Thanks to all of you at Proliance for making my trip to Katmai Alaska possible. The trip was very difficult physically and would have been impossible without the knee replacement.

- Bruce

I fell at home in 2014 and needed a half hip replacement, which sounded interesting. Dr. Howlett was the surgeon, and I found him capable, knowledgeable, and kind. Had the surgery at Valley Medical Center, and was at Wesley Homes for Rehab. The...

- Carol B.

// John Howlett, M.D.

I just wanted to take the time to send you and your amazing staff, especially Gina, a big thank you for my recent care and surgery that I had in August. I am so happy with the outcome and it feels so good to live pain free and not have the...

- Sonja

// Jason H. Thompson, M.D.

I had degenerative disc in my right hip and suffered for four to five years in pain with the last two or three years being unbearable. I couldn’t tie my shoes, sitting in the car was difficult, and I could no longer participate in yoga classes...

- John

// Andrew L. Merritt, M.D.

Dear Dr. Barrett and Team,You and your associates are my super heroes! Last week, during my vacation in Hawaii, I was able to enjoy hiking in the outdoors – 12 weeks from the time of my surgery! I hiked 2 miles in a canyon on one day and 2 days...

- Denise

Linda Green discusses her anterior hip replacement and her experience with Proliance Orthopedic Associates’, Dr. Susan Cero.

- Linda

Joel discusses his wife’s chronic pain, hip surgery and road to recovery with Dr. Merritt.

- Joel

// Andrew L. Merritt, M.D.