- Therapist / provider office location - Provider license - Provider education level - Provider specialization Do keep in mind that after enrollment and credentialing, when you’re accepted into a payer’s network (aka at par), you’ll be negotiating your reimbursement rates.  Keep in mind that you can renegotiate your rates every year. However, to successfully negotiate higher rates each year, you need a very specific strategy (that’s a subject for another post).