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!

a couple of surgeons performing robotic surgery

Introducing VELYS Assisted Robotic Solution

Every knee is different, as is every patient requiring a knee replacement procedure. VELYS™ Robotic-Assisted Solution simplifies knee replacement surgery by providing valuable insights, versatile execution, and verified performance to deliver efficiency for surgeons and optimize patient outcomes.

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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Thank you so much Dr. Cero for putting me back together.

- - Kerry, Future Bike Racer!!!

Before I came to Proliance Orthopedic Associates I was VERY discouraged.  I was in pain every day for months, but being told nothing was wrong.  The day I met Dr. Shrivastava and Jeannie, my world brightened.  They assured me that I would get...

- Kimberly

// Niket Shrivastava, M.D.

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.

In June 2010, I had surgery on my lower back. Until then, I was in serious and debilitating constant pain and had been for many years. I was on large dosages of pain meds that only took the edge off of the pain I was experiencing. The meds were...

- Lynne

// Jason H. Thompson, 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.

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.

January, 2014Dear Dr. Barrett,I am so thankful for your talented surgical skills. My life has changed in so many wonderful ways since June 17th. The following are some of those ways: I can go for walks with my husband. I can actually enjoy...

- Ann

I began my career as a mountain guide taking people to the summit of Mt Rainier in 1968 at age 17. Many years and hundreds of summit ascents later, my knees were shot. I consulted with Dr. Barrett and subsequently decided to go with...

- Joe H.

Though early hip replacement is the new trend For 64 years you have been a good friend It is to thank you that I am writing this ode For you have done your best to carry my loadYou have been in London, Paris and French countryside You have been...

- Pat

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