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

- - Kerry, Future Bike Racer!!!

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

I came to see Dr. Shrivastava at Proliance Orthopedic Associates for a broken wrist.  My experience at Proliance Orthopedic Associates was a long process of being in and out of casts over five months.  I ended up damaging my broken wrist after...

- Mark

// Niket Shrivastava, M.D.

I can’t say enough good things about Dr. Howe and his staff. I came to Dr. Howe after being told by two other surgeons that nothing was wrong with my back, and I just had a bulging disk and after injections, it would heal itself. I did...

- Samantha

// Chris R. Howe, M.D.

Below is a great testimonial video from our patient Fran! When asked why she chose the anterior approach for her hip replacement surgery, Fran said, “I knew it would be less invasive, faster recovery time, and would allow me to get back to...

- Fran

Anterior approach patient Largo, 67, received hip replacement surgery from POA surgeon Dr. William Barrett. After 5-6 years of knee and back pain, Largo’s hip became a problem. Dr. Barrett had performed orthopedic surgery on her husband and...

- POA Patient Largo

I finally decided to do something serious about my basketball knee (surgery in 1978 to remove part of meniscus cartilage), injured from playing at 45 long after I should have quit. So, I had knee replacement about 1 year ago – Sept 9, 2014....

- Eugene W.

I can’t say enough wonderful things about Dr. Barthel and the entire Proliance Orthopedic Associates staff. I’ve never experienced such thoughtful and compassionate care from a medical facility like I have at Proliance Orthopedic...

- Jessica

Growing up, I was always very active in sports and a gymnast for many years. At 46 years of age, an old shoulder injury, aggravated by my occupation, brought my life to a stand-still. I was walking around with my hand in my pocket to ease the...

- Sandra

// Craig T. Arntz, M.D.

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.