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!

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.

PATIENT SUCCESS STORIES

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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

On the way to the summit of Mount Rainier.

- Rachel

Dear Dr. Howlett,I have had many surgeries, but I have seldom had the care that you took to explain the process I would go through. After the surgery, when I saw the X-rays, and the incision, I could tell that you had done an excellent job. More...

- Dawn

// John Howlett, M.D.

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.

The pain I was having in my hand started in March while I was clipping limbs off of a tree.  By April my hand started to swell up so I went to my doctor who first referred me to physical therapy.  I attended 9 sessions with the therapist, who...

- Karen

// 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.

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.

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.

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.

Victor is no stranger to shoulder pain. Ten years ago Victor had surgery to repair his right rotator cuff. Then pain in both shoulders was again limiting Victor’s mobility and active lifestyle. His family physician referred him to VOA...

- Victor

// Craig T. Arntz, M.D.