Handles visa and immigration questions, cases and problems, and issues for people who want to become citizens. Also provides a list of approved doctors to complete the required medical examination when applying for a green card.
Call or visit website for more information. Appointments must be scheduled by calling the National Customer Service Center or by scheduling through the USCIS website.
List of approved doctors: https://my.uscis.gov/findadoctor
The Citizenship Application Form (Form N-400) is available on the website.