Follow the steps below to register as an out-of-network practitioner with Horizon of New Jersey:

  1. The following documentation needs to be mailed to Horizon of New Jersey:

    1. Your W9

    2. State license 

    3. SSN

    4. A letter from the IRS stating that the tax ID is registered and owned by the provider's office

Documentation should be mailed to:

3 Penn Plaza East 


Newark NJ 07105-2200