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Home to Seattle's "Top Docs"
Take a look at our recognized providers!

We are excited to announce that  several of our providers were awarded the Seattle Met Top Doc designation. Proliance Orthopedic Associates is dedicated to helping patients receive quality treatment that is tailored to their individual needs. Innovation through collaboration: we apply our surgical and non-surgical expertise with the most current technology in each patient's diagnosis and treatment plan.

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Take a Tour of
Proliance Surgery Center at Valley!

We're celebrating one year of our ambulatory surgery center and want to give you a closer look at our state-of-the-art facility!

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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!

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Dr. Barrett Announces Retirement

Dr. Barrett's retirement comes after almost 40 years of service to the international joint replacement community.

UNMATCHED
SPECIALIZED
CARE

Find the care you need, when and where you need it, with the region's most comprehensive orthopedic care.

PATIENT SUCCESS STORIES

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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

Anterior approach patient Largo, 67, received hip replacement surgery from POA surgeon Dr. William Barrett. After 5-6 years of knee and back pain, Largo’s hip became a problem. Dr. Barrett had performed orthopedic surgery on her husband and...

- POA Patient Largo

I am so grateful to you for the surgery you did on my right shoulder!  I couldn’t be happier!  Thank you to you and Roxanne for all you have done to get me through my first surgery.  Everything was exactly as the portfolio you gave me said...

- Y.R.

// Craig T. Arntz, M.D.

I am a 77-year-old female on whom Dr. Merritt replaced my right hip on March 25, 2015. Surgery went well and his staff were very patient and professional when I did not cooperate too well when I was coming out from the anesthesia!I went home the...

- E. Arlene M.

// Andrew L. Merritt, M.D.

January, 2014Dear Dr. Barrett,I am so thankful for your talented surgical skills. My life has changed in so many wonderful ways since June 17th. The following are some of those ways: I can go for walks with my husband. I can actually enjoy...

- Ann

Dear Proliance Orthopedic AssociatesI am writing you this letter to tell you about my recent left shoulder replacement surgery done on December 13, 2012. Since this is my second shoulder replacement, having had the right one done four years ago,...

- Raymond

// Craig T. Arntz, M.D.

I was referred to Dr. Howe by Dr. Wagner at the UW. I had been seeing Dr. Chapman at UW originally for several years because of my lower back issues. He wanted to do two surgeries a week a part fussing T7 thru S1. I would have lost 40% mobility...

- Karen G.

// Christopher R. Howe, M.D.

Dear Dr. Cero,Just wanted to let you know that my surgery is just beautiful. My doctor, who is Dr. Hatfied, that had done my hip was very pleased with the x-ray. He said you did a real good job. How about that? He took more x-rays last week and...

- Rita

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 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.