You have 4 reviews, and only 3 are required for gaining entrance to it.  I guess you will just have to wait until the powers that be get around to you.  Wish I could help.

Swim

whenever I would write about something.

Keep trying, eventually it will happen.

I sent a request when I hit my 3 required reviews - they denied me.

I sent again when I had 5 reviews - again denied.

I sent again when I had 7 reviews - again denied.

After that one I asked why they kept turning me down and was told that I need to be more active on the boards.  So I started posting on the boards and six weeks and two more reviews later, I have finally been approved.

You might be having the same issue.  I think if they are going to make posting activity a criteria to be on the provider board and not just your reviews, they should state that more clearly on the page where they tell you what you need.

providers only

the ladies are right..i have the minimum required reviews for the reviewers only board..i am an avid poster on the boards..i was approved in less than a week..those boards are unmoderated..think of it as an exclusive country club..you have to earn your way in..