1. Forms must be submitted to Valley Health Plan within ninety (90) days of the date of service. 2. Fill out "Medical Claim Reimbursement Form" and include:Step 1: Fill out a Medical Claim Reimbursement Form. How to file a Medical Claim Reimbursement Form. The City offers a variety of benefit options to employees, including health, dental, vision, and life insurance. Download a claim form and fill it out completely. To file a claim, you must submit a Medi-Cal Claim Form for Beneficiary Reimbursement. Insurance companies can utilize this letter template to seek reimbursement from the person or entity legally responsible for a loss. Fill out the Member Reimbursement Claim Form to ask for reimbursement for covered services. HCO can help you enroll in a new plan.