Credentialing & Enrollment Services


ZAS provides doctor credentialing service at an unbeatable price. Our service includes provider enrollment and primary source verification. We work with all specialties and assist with enrollment in all Insurance networks (Medicare, Medicaid and Commercial Insurance).

Our Credentialing solution fits any organization regardless of size or specialty. If you are an individual or a medical group ZAS Billing & Credentialing Service will keep you organized and up to date with out any difficulty!

Our Credentialing Services

  • Insurance Credentialing & Enrollment
  • ERA (Electronic Remittance Advice) – Setup
  • EDI (Electronic Data Interchange) – Setup
  • EFT (Electronic Funds Transfer) – Setup
  • Re-Attestation / Re-Validation

Our expert staff will work with any insurance company to get your practice providers enrolled with health plans & to maintain your provider’s Credentialing files.