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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Getting a hip replaced is no easy deal, but having it done by Dr. Susan Cero of Proliance Orthopedic Associates made it go so smoothly and it was an overall great experience. From the first appointment, to the pre-op, to the surgery, to the...

- Heather

Dr. Veith,Thank you for the wonderful experience of being in your care. It is so important to have a surgeon you can trust, and from the moment I first met you, I knew I was in expert hands. You not only knew what you were doing, but you spent a...

- Alison

Dear Dr. Barrett and Team,You and your associates are my super heroes! Last week, during my vacation in Hawaii, I was able to enjoy hiking in the outdoors – 12 weeks from the time of my surgery! I hiked 2 miles in a canyon on one day and 2 days...

- Denise

I want to tell how much I’ve waited for my hand back. To help people, like you do doctor, it means so much to me to use my hand as a helping hand for others. I’ve prayed for this all year. Doing everything one handed, has been challenging.I...

- Marlene – Patient/Friend

Dear Proliance Orthopedic AssociatesI am writing you this letter to tell you about my recent left shoulder replacement surgery done on December 13, 2012. Since this is my second shoulder replacement, having had the right one done four years ago,...

- Raymond

// Craig T. Arntz, M.D.

I had my right hip replaced 7 weeks ago with Dr. Alton and I am very pleased. I came to see Dr. Alton at Proliance Orthopedic Associates because my right hip kept dislocating and it was extremely painful. My hip dislocated 4 times in 8 months,...

- Janice

// Timothy B. Alton, M.D.

I recently slipped on a wet floor and broke my right wrist. As an active outdoors person, I enjoy skiing, snowmobiling, jeeping and dirt bike riding so I was concerned about future limitations if healing didn’t go well. I researched the...

- Carla

// John Howlett, M.D.

Dear Dr. Huang,There is nothing more precious to me than being able to go and do things with family and not have to sit every 15 minutes because my knees hurt. I walked a whole fair and never once had to sit down! I can now stand in one place for...

- Mary

// Fredrick S. Huang, M.D.

Dr. John Howlett is awesome! I’m a traumatic brain injury patient; broken neck along with other injuries including my right hand was injured at the time of I was a passenger in an ATV accident.  I was flown from Yakima to Harborview in...

- Anita

// John Howlett, 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.