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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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.

After years of painful arthritis keeping them from the activities they enjoy in life, VOA patients share their joint replacement journeys.Edward James, a retired high school principal, lived with the pain of arthritis for nearly four years before...

- Edward

I came to see Dr. Shrivastava at Proliance Orthopedic Associates because I broke my wrist.  It was the first time that I had broken anything.  From my first visit here with Zach PA-C, till my last, everyone made me feel comfortable and at...

- Betty

// Niket Shrivastava, M.D.

Watch this fascinating testimonial video from Proliance Orthodpedic Associates’ patient Betsy, who experienced osteoarthritis to the point of bone on bone. She talks about meeting with POA orthopedic surgeon Dr. William Barrett and how he...

- POA Patient Betsy

To: Valley Orthopedic Associates Care of: Dr. Cero, Joint replacement is a serious decision in one’s life. But when you consider the pain of bone on bone and the quality of life you give up every day you put this decision off you will never...

- Pat

I went in to see the skin doc for something little on my face. Really being vain. When I was talking she noticed a mole on my finger. (I hate this mole, came up after a burn) She said that looks like cancer and took a biopsy right away. It came...

- Dawn W.

// John Howlett, M.D.

I first injured my shoulder when I was lifting an electric motor. I felt a pop and immediate pain. The pain was so limiting, I knew I really injured my shoulder. At my first visit with Dr. Merritt, I was very impressed. He really listened to me...

- Mark

// Andrew L. Merritt, 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

Dear Dr. Traci Barthel,I’ve never had someone in your position help me like you did. I want to express my appreciation for everything you did to save my finger. When I came to you I was convinced it would have to be amputated. You gave me hope...

- Jennifer

Dr. Cero has successfully operated on my youngest daughter Rebecca, my wife Lyn, and me on five  occasions. I had three “industrial incidents” that created much pain in my left knee on one occasion and my right knee on 2 occasions. After...

- James