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

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

January, 2013I am 59 years old and have suffered for years with Oesteoarthritis in my knee due to sports injuries. I tried to prolong the life of the knee with cortisone and viscous shots but finally reached a point where my quality of life had...

- Dinah

From Healthgrades.com Over 20 years ago he did carpal tunnel surgery on both my hands; a few years later he ‘rebuilt’ my left thumb. So when I was having very painful right shoulder issues, I contacted Dr. Arntz!! He found I had an...

- A. Sharon

// Craig T. Arntz, M.D.

Thank you, Dr. Huang and staff at Proliance Orthopedic Associates for providing excellent care with my knee surgery!

- Robin

// Fredrick S. Huang, M.D.

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

- - Kerry, Future Bike Racer!!!

I received foot fusion surgery for arthritis on Nov. 11, 2015. I feel great now. I just went back to my bowling in March. I am also able to walk my dog at least six blocks, where I was only able to walk a few blocks before. Dr. Novak was very...

- Rosalie L.

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

In November 2014, my step son was getting married and all I wanted to do was be able to walk down the isle and be able to dance at his wedding. Fortunately, I was able to do these things, but due to the pain it was difficult. The pain I felt in...

- Pamela

// Andrew L. Merritt, M.D.

I came to see Dr. Shrivastava at Proliance Orthopedic Associates because I was having shoulder pain which caused problems whenever I used my arm.  Since being treated by Dr. Shrivastava, my shoulder pain is gone which is making my life so much...

- Patricia

// Niket Shrivastava, M.D.

I am blessed to have found great medical personnel at Proliance Orthopedic Associates. As soon as I come into the building, I can feel that I am cared about and that I will be in good hands. I am also blessed that I was referred to Dr. Thompson...

- Richard R.

// Jason H. Thompson, M.D.

POA patient Betty, 89, recently received hip replacement surgery from Dr. Merritt. She details the discomfort that led to her decision to schedule orthopedic surgery and her experience at Proliance Orthopedic Associates. Her peers call her “the...

- POA Patient Betty

// Andrew L. Merritt, M.D.