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 was referred to Proliance and Dr. Howlett due to a fall I took where I fractured my left arm just below the shoulder. When I first went in to see him I was in quite a bit of pain. The people who worked with me were very conscientious of that...

- Carolyn M.

// John Howlett, 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 had a really good experience with Dr. Cero and her staff. It was fantastic and I’ve had no problems since. I had so much pain when I went in and I wondered why I didn’t have this surgery three years ago. Everyone was really helpful.I am in...

- Sharon

Below is a great testimonial video from our patient Donald! He said, “From the first day I walked in here I had zero pain. Not one thing that was done to me in the hospital caused me any pain.” We’re so glad that we could help Donald with...

- Donald

In 1984, at age 3, I broke my arm badly after I fell off my swing set. No one would ever know I had compartment syndrome, multiple surgeries, and almost lost the use of my right arm. Our pastor and my family prayed over my arm as talks of...

- Noelle

I’ve been told I have an “old back” and it leaves me with a very gimpy left leg. But before I resort to the inevitable surgery, I have had two epidural steroid injections done by Dr. Chilczuk. My first injection was harder,...

- Lori

Joel describes his trigger finger release surgery with Dr. Howlett.

- Joel

// John Howlett, M.D.

Today I had an appointment with Dr. Cero. It has been 6 weeks since I had a total knee replacement on my right knee. At this appointment, Dr. Cero was very pleased with my progress and mobility, and lack of pain. The physical therapists are also...

- Willa

August, 2015As a 64 year old active male who has been in pain for the past couple of years, I scheduled an initial appointment with Dr. Andrew Merritt. I immediately had confidence in his ability to “help” me with getting back to my regular...

- Kenneth

// Andrew L. Merritt, 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.