Yes, they will issue a new number. Each state tracks its licenses. That would require a unique number in each state.
You can check on your state's bar website.
Yes the bar exam is required.
Yes. An attorney who is moving from one state to another will have to re-take the bar exam in the state they are moving to. This is due to the vast variation in laws from state to state.
Contact the bar association for the state they practice in. They will have a phone number or web site were the credentials can be validated. They will have a professional number assigned to them. There may also be a way of seeing if there are claims against the attorney.
Call and ask him for a progress report on your case. If you do not get a good response contact your local bar association for advice. You may need to find a new attorney to continue your case. In that case you should make a formal complaint about your first attorney to the state board of bar overseers. You may get some compensation.
Kathleen Holtz, who was 18 when she was admitted to the Bar.
To file a complaint against an attorney, you would file it with the State Bar Association of the state in which you live. See related link below for more information for the State Bar Association in your state.
You can check with your state's bar association or regulatory body to see if there are any grievances filed against your attorney. You can also search online databases or directories that list disciplinary actions against lawyers. Additionally, you may inquire directly with your attorney or their law firm regarding any grievances.
Most states and state bar associations have lawyer referral services where you can get help in finding an attorney to suit your needs. Google "bar association" with your state and you should find their website and phone number.
To find a specific attorney's office, go to the state bar's website in the state where the attorney is licensed and search the directory for him/her.
Usually the state bar website is a good place to start to look for attorney discipline records. You don't mention what state you're interested in, but just as a for instance, I linked you to the The State Bar of California's attorney search. If you put in the name or bar number of a CA attorney you would see whether he or she has a discipline record. Because you don't mention the specific state you're interested in, I'm also linking you to a Court Reference website. It has all kinds of self-help information and by choosing a specific state and county, you will find numerous helpful links, including attorney discipline information.
You can find out any actions on state bar website for your state, just follow prompts