Embodiments of the present invention relate to systems and methods for database registration. According to an embodiment of the present invention, a method for database registration includes receiving a user identifier of a user and then sending a query to a first database based at least in part on the user identifier. A first data value associated with the user is received from the first database. A second data value associated with the user is received from a data source, which is different from the first database. The first data value and the second data value are stored in a second database, which is different from the first database.