This is a required field. Enter the patient's last name, first name, and middle initial, if any, as it appears on the patient's Medicare card (e.g.File a claim form to protect your rights and start the workers' compensation process. Your employer must give or mail you a claim form within one working day. Practitioners sending professional and supplier claims to L.A. Care Health Plan on paper must use Form CMS 1500 in the latest valid version. There are two parts to completing this form. Fill out the following form and mail to the address below or file online. Read entire claim form thoroughly. 2. You can download and fill out a form, called the Patient Request for Medical Payment form (CMS-1490S). This form is also available in Spanish.