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 want to tell how much I’ve waited for my hand back. To help people, like you do doctor, it means so much to me to use my hand as a helping hand for others. I’ve prayed for this all year. Doing everything one handed, has been challenging.I...

- Marlene – Patient/Friend

In November 2014, my step son was getting married and all I wanted to do was be able to walk down the isle and be able to dance at his wedding. Fortunately, I was able to do these things, but due to the pain it was difficult. The pain I felt in...

- Pamela

// Andrew L. Merritt, M.D.

I had a total right hip replacement on the 10th of August. From my first appointment with Jana Flener, to being discharged from Valley Medical I was TOTALLY impressed and happy with everything. Proliance Orthopedics is just super. They treated me...

- Mary M.

Below is a great testimonial from Bob! Bob received a bilateral knee replacement by Dr. Barrett. We want to thank Bob for his recommendation and for being a part of the Proliance Orthopedic Associates extended family!

- Bob

MRI revealed Ruptured disk L5-S1, likely from running road races so many years and all the training with it. Intense sciatic nerve issues steadily increasing with relentless pain in both legs. My ability to play golf or even walk was difficult or...

- Brian V.

// Jason H. Thompson, M.D.

Getting a hip replaced is no easy deal, but having it done by Dr. Susan Cero of Proliance Orthopedic Associates made it go so smoothly and it was an overall great experience. From the first appointment, to the pre-op, to the surgery, to the...

- Heather

I am a 77-year-old female on whom Dr. Merritt replaced my right hip on March 25, 2015. Surgery went well and his staff were very patient and professional when I did not cooperate too well when I was coming out from the anesthesia!I went home the...

- E. Arlene M.

// Andrew L. Merritt, M.D.

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.

I’m just another success story on Dr. Barrett’s file. Almost four months out I’m happy to have my new knee. Although rehab is still in progress, I can barely catch up with the knee as it walks all by itself – no pain....

- Oleg G.

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.