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!

Introducing Our Newest Providers

Smiling middle-aged man in gray suit and blue tie against a solid blue background.

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
Smiling bald man in black sweater and light blue shirt against a solid blue background.

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

View more

In my case, I really can’t pin down when my right hip started causing problems. I can, however, pin down when the problem got really bad – November, 2012.The trek started from Jiri, Nepal, a long day’s car ride to the East of Kathmandu....

- Placeholder

My hands have been hurting for more than ten years but I didn’t know what caused it or what it was.  Then lately because of the pain and numbing, I consulted my family doctor.  He suggested consulting an orthopedic doctor.  I chose Dr....

- Fe

// Niket Shrivastava, M.D.

I’ve seen Dr. Howlett multiple times for problems with my hands. Dr. Howlett has the most calming personality that really inspires confidence as a patient.  He’s great at calming my fears and what I appreciate the most is that he really...

- Sandra W.

// John Howlett, M.D.

August, 2015As a 64 year old active male who has been in pain for the past couple of years, I scheduled an initial appointment with Dr. Andrew Merritt. I immediately had confidence in his ability to “help” me with getting back to my regular...

- Kenneth

// Andrew L. Merritt, M.D.

I had bilateral knee replacements with Dr. Huang years ago and it went great!  So when I broke my knee recently, I went straight back to Dr. Huang at Proliance Orthopedic Associates.  Dr. Huang informed me that I would need a revision surgery...

- Paul

// Timothy B. Alton, M.D.

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’m 75-year-old patient of Dr. Craig T. Arntz. On April 16, 2013, Dr. Arntz repaired my right rotator cuff. Through that procedure, along with his wonderful associates and therapy that he recommended, my shoulder has returned to full range of...

- Jessie

// Craig T. Arntz, M.D.

After a fall at the gym, Logan broke both his left radius and ulna. Dr. Cero’s work on Logan’s arm has helped him get back on the court.If you suffer a sports-related injury, such as an ACL or rotator cuff tear, or wrist or shoulder...

- Logan

WOW, where to begin? Firstly, I want to thank Dr. Novak, he is an excellent doctor and very experienced. I broke my fibular playing soccer in July and was in a lot of pain. He immediately talked about surgery and was able to repair my broken...

- Derek

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