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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My name is Annmari and I am 53.  I have been Dr. Howlett’s patient for a little over 3 years now.  I broke all three bones in my ankle and luckily Dr. Howlett was in the emergency room when I got there and he did my surgery that night.  When...

- Annmari D.

// John Howlett, M.D.

Today I had an appointment with Dr. Cero. It has been 6 weeks since I had a total knee replacement on my right knee. At this appointment, Dr. Cero was very pleased with my progress and mobility, and lack of pain. The physical therapists are also...

- Willa

Wow! Am I ever thrilled to have this opportunity to give the highest praise possible to the folks who helped me regain my life! I know this sounds like an exaggeration but, believe me, it is NOT! Proliance Orthopedic Associates and Dr. Craig...

- Elaine

// Craig T. Arntz, M.D.

I am very pleased with the results of my hip replacement surgery last July, 2015. One of my primary goals was to hike with my husband again, and I’ve been able to do that! We have hiked in California, Arizona and many other states this winter...

- Ramona

// Andrew L. Merritt, M.D.

I had degenerative disc in my right hip and suffered for four to five years in pain with the last two or three years being unbearable. I couldn’t tie my shoes, sitting in the car was difficult, and I could no longer participate in yoga classes...

- John

// Andrew L. Merritt, M.D.

I had surgery on February 3 of this year. I was terrified and I had not taken care of my ankle for three months prior to surgery. Dr. Novak was really understanding and listened to my problems. I am heavy and he did not mention that but gave me a...

- Katlyn B.

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

I injured my right knee and ankle while racing motocross back in August of 2014. I was trying to ‘look young’ and ended up colliding with another racer and landing on my right side. I went to Valley Medical Center where I was placed into a...

- Ken

// Andrew L. Merritt, M.D.

Dr. Shrivastava is very polite, caring, and positive.  I feel that he is truly concerned about my well-being. Jeannie (his medical assistant) is always cheerful and helpful, she is very efficient too. Since coming to Proliance Orthopedic...

- Margaret

// Niket Shrivastava, M.D.

I had a total right hip replacement on the 10th of August. From my first appointment with Jana Flener, to being discharged from Valley Medical I was TOTALLY impressed and happy with everything. Proliance Orthopedics is just super. They treated me...

- Mary M.

Thanks to all of you at Proliance for making my trip to Katmai Alaska possible. The trip was very difficult physically and would have been impossible without the knee replacement.

- Bruce