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!

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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!

Introducing Our Newest Providers

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Matthew Lyons, MD

Matthew Lyons, joins Proliance Orthopedic Associates in July, 2026 and brings a depth of expertise to our Shoulder and Sports Medicine teams. Dr. Lyons currently works in both our Renton and Maple Valley clinic locations.

To book an appointment with Dr. Lyons, click the link below!

Book An Appointment
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Tim Stensby, PT

Tim provides care for a wide range of conditions and has experience working with student athletes, including enhancing running techniques for track and field participants.

To book an appointment with Tim, click the link below!

Book An Appointment

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.

HELPFUL RESOURCES

PATIENT SUCCESS STORIES

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“I am 64 years of age and on February 21, 2012 I had an Anterior Approach Total Hip Replacement at Valley Medical Center. Choosing the right orthopedic surgeon to me was very important to a successful surgery and recovery. My primary...

- Sherrie

Due to the fact I injured my knees severely when I was young and playing sports. I was in need of total knee replacement for both knees. After exhausting every non-invasive way of providing relief I went forward. I am in my mid forties and after...

- Tom

// Fredrick S. Huang, 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

Dear Dr. Cero. Our Hero!! I have tried many times to find the words to say how much you have improved George's ability to walk. Every step he takes I think of you with excitement. How can I express our profound gratitude in the future of...

- Gin and George

“I had an injury while on a beach vacation. Dr. Niket Shrivastava offered me guidance remotely. I down played the injury. Dr. Shrivastava, very tactfully, described the severity of my condition and provided me a course of action which had...

- Parag

// Niket Shrivastava, M.D.

My first injection was harder, longer, and much more painful than I anticipated. Apparently, I have a humungous bone spur and Dr. Chilczuk had to figure out the best over, under, or around route to the nerve root. It worked! I had a GREAT...

- Lori

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.

We wanted to write and say thank you for your work on George’s hand injury.  It has been 2.5 years since the accident and he has regained 80-85% use of his right hand, including the ability to write and fish.  We truly believe you were an...

- George and Dottie J.

// John Howlett, M.D.

My name is Annmari and I am 53.  I have been Dr. Howlett’s patient for a little over 3 years now.  I broke all three bones in my ankle and luckily Dr. Howlett was in the emergency room when I got there and he did my surgery that night.  When...

- Annmari D.

// John Howlett, M.D.

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