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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Before surgery, I was limping -- I was unable to lift my left foot to walk properly or ride my motorcycle. Since surgery, I can lift my left foot, walk properly and shift gears on my Harley. Dr. Clark showed me clearly (via x-rays), what and...

- Mark

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.

Dr. Shrivastava is very polite, caring, and positive.  I feel that he is truly concerned about my well-being. Jeannie (his medical assistant) is always cheerful and helpful, she is very efficient too. Since coming to Proliance Orthopedic...

- Margaret

// Niket Shrivastava, M.D.

From Healthgrades.com Over 20 years ago he did carpal tunnel surgery on both my hands; a few years later he ‘rebuilt’ my left thumb. So when I was having very painful right shoulder issues, I contacted Dr. Arntz!! He found I had an...

- A. Sharon

// Craig T. Arntz, M.D.

I was referred to Dr. Howe by Dr. Wagner at the UW. I had been seeing Dr. Chapman at UW originally for several years because of my lower back issues. He wanted to do two surgeries a week a part fussing T7 thru S1. I would have lost 40% mobility...

- Karen G.

// Chris R. Howe, M.D.

I had a hip replacement in September and am doing great. Dr.Cero and her staff were exceptional. Dr. Cero requested that the surgery and recovery would be a lot better if I was to lose some weight. I took her advice and extended my surgery a few...

- James

The Comeback KidI climbed Mt Adams on Friday, July 19, 2013.This was a big event for me for 2 reasons. I am the “comeback kid” as I have had bilateral knee replacements and two rotator cuff surgeries in the last 3 years. At 62, I...

- Don

My primary care provider referred me to see Dr. Arntz at Proliance Orthopedic Associates in Renton because I was having problems with my shoulder.  I was having extreme pain in my shoulder whenever I would reach out to grab an object, or pick up...

- Regina S

// Craig T. Arntz, M.D.

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.

At 83 years old, I was very frightened at the thought of needing surgery on my hip.  I haven’t had surgery since I was 6 years old, and it was not something that I wanted to go through at the age of 83.  I had been limping for over a year,...

- Joanne

// Andrew L. Merritt, M.D.