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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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 had surgery on February 3 of this year. I was terrified and I had not taken care of my ankle for three months prior to surgery. Dr. Novak was really understanding and listened to my problems. I am heavy and he did not mention that but gave me a...

- Katlyn B.

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

Dear Dr. Barrett,I just got back from my Physical Therapy session. I walked in, and I walked out. The other day, I stood at a window, (without having to use a walking aid or lean on someone) and watched the world go by. (I don’t remember the...

- Deb

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.

Thanks from a Mountain ClimberDr. Barrett performed total knee replacements on both of my knees. They are not like original equipment, but they do work well enough for me to do this!

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I was lucky to have had a wonderful experience today spending it in the VOA Surgery Center. From the time upon admitting, to surgery, recovery, and discharge the staff was so caring, kind, and compassionate about the patient, and the procedure to...

- Rebecca

Dear Doctor Arntz,I have finished my course with Christine and Jan at the Kent gymnasium center. What superb and sensitive therapists they are! Never a moment wasted in trying to discern what to do, using my right side and shoulder. They already...

- Herb Coursey

// Craig T. Arntz, M.D.

I was referred to Proliance and Dr. Howlett due to a fall I took where I fractured my left arm just below the shoulder. When I first went in to see him I was in quite a bit of pain. The people who worked with me were very conscientious of that...

- Carolyn M.

// John Howlett, 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

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