You can go to active dogs.com they have all the things you need to register your service dog and the vests and all the ID stuff you need

I, and my wife, love our rescued dog Maggie, a wire haired Terrier. She is a joy and instantly takes my mind off my COPD problems. She's a lover and a comfort!

most PCP's can ask a social worker to draft a form letter and sign it. The forms are on line. Find one recognized by your state, download and send to you doctor.

Did you meam registered?