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

View more

Dr. Merritt performed a hip replacement on my dad, who was then 90, in the spring of 2015, using the anterior approach.In my opinion, this surgery saved my father’s life. At the time, he was spiraling downhill on several fronts. Because hip...

- Richard B.

// Andrew L. Merritt, M.D.

This past summer I met with Proliance Orthopedic Associates for help with my continuing back pain from degenerating discs and arthritis in my spine generating years ago in my college days in the 60s.  I met with Dr. Jason Thompson at Proliance...

- Janet

// Jason H. Thompson, M.D.

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

Dear Proliance Orthopedic AssociatesI am writing you this letter to tell you about my recent left shoulder replacement surgery done on December 13, 2012. Since this is my second shoulder replacement, having had the right one done four years ago,...

- Raymond

// Craig T. Arntz, 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 started having problems with my back eight years ago; the pain would come and go and became increasingly worse. I like to take trips and my back pain was slowing me down which was making me angry. I had gone to chiropractors, massage...

- Vickie A.

// Jason H. Thompson, M.D.

Enjoy this detailed testimonial video from POA patient Lloyd. He walks us through his experience as a patient of POA physician Dr. Craig T. Arntz. From diagnosis to surgery, Lloyd was in the best hands at Proliance Orthopedic Associates. We’re...

- Lloyd

// Craig T. Arntz, M.D.

“My husband was going to have both knees replaced at the same time, pretty scary stuff. We live in Anchorage, but had a friend recommend Dr. William Barrett. We contacted his office and had xrays, etc. sent down to Seattle through our...

- Penny

WOW, where to begin? Firstly, I want to thank Dr. Novak, he is an excellent doctor and very experienced. I broke my fibular playing soccer in July and was in a lot of pain. He immediately talked about surgery and was able to repair my broken...

- Derek

// Erik J. Novak, M.D., Ph.D.

POA patient Betty, 89, recently received hip replacement surgery from Dr. Merritt. She details the discomfort that led to her decision to schedule orthopedic surgery and her experience at Proliance Orthopedic Associates. Her peers call her “the...

- POA Patient Betty

// Andrew L. Merritt, M.D.