Do you consider the patients as new patient, in DCEye Clinic, if they comeback after 1 year or after 3 years? If so, do they require a fresh referral from their PCP/Provider?

Do you consider the patients as new patient, in DCEye Clinic, if they comeback after 1 year or after 3 years? If so, do they require a fresh referral from their PCP/Provider?

 
Patient we have not seen for 3 years or more would become new patient.
Patients who have Aetna Obama insurance need PCP Referral.
Patients who have Tricare need Authorization/Referral.