You must be CHS (Contract Health Services) eligible or covered by AHCCCS / AIHP (American Indian Health Program). If you are a Direct Care patient, you must be covered by AHCCCS/AIHP. All patients must reside within Contract Health Service Delivery Area (CHSDA). If you are unsure of your eligibility status and/or have questions, please contact the GRHC Medical Transportation Clerks.