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 Physician Assistants

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Terrianna Emerson, PA-C

Terrianna Emerson, PA-C, joined Proliance Orthopedic Associates in 2026 and brings a depth of expertise to our team. Terrianna currently works in both our Renton and Covington clinic locations.

To book an appointment with Terrianna, click the link below!

Book An Appointment
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Gian Kho, PA-C

Gian Kho, PA-C is an orthopedic Physician Assistant working with the sports medicine team, where he is dedicated to helping patients recover from injury and return to active, healthy lifestyles.

To book an appointment with Gian, 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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Not long ago, I had an accident where I was knocked unconscious, and when I came to, I could see the bones in my arm/elbow area. This is when I met Dr. Howlett at Proliance Orthopedic Associates. Dr. Howlett had great bedside manner from the...

- Ken

// John Howlett, M.D.

After years of painful arthritis keeping them from the activities they enjoy in life, VOA patients share their joint replacement journeys.Edward James, a retired high school principal, lived with the pain of arthritis for nearly four years before...

- Edward

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 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.

Dear Doctor Arntz,I have finished my course with Christine and Jan at the Kent gymnasium center. What superb and sensitive therapists they are! Never a moment wasted in trying to discern what to do, using my right side and shoulder. They already...

- Herb Coursey

// Craig T. Arntz, 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.

I first injured my shoulder when I was lifting an electric motor. I felt a pop and immediate pain. The pain was so limiting, I knew I really injured my shoulder. At my first visit with Dr. Merritt, I was very impressed. He really listened to me...

- Mark

// Andrew L. Merritt, 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.

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.