I can't say enough good about my orthopedic doc, who is a shoulder specialist, and also happens to be a paddler. I had a subacromial decompression AND carpal tunnel done last February. I was paddling again on May 1st.
Check out his website:
I would recommend that you start doing some research on your own. The Steadman Hawkins website is a good place to start:
Additionally, make sure you have enough insurance coverage to cover at least 3 months of PT (around $3K). I did PT twice a week for 3 months and my shoulder is bomber. In fact, it's better than my left. Gotta make PT a priority.
Email me directly if you want more info.