If you receive a renewal form in the mail, your county needs more information. Fill it out and return it right away to keep yourself and your family covered.If you must submit a paper claim, mail your completed claim form along with all required supporting documents to: CCHP Claims Department P.O. Box 5122. Reporting Medi-Cal changes (such as a new address, income, newborn, etc.) Questions about your benefits; Assistance with completing forms. NOTE: Your Form 1095B is proof of healthcare insurance for the IRS and does not require completion or submission to DHCS. Sign your claim form in accordance with the instructions on the form. I moved in or out of Contra Costa County, how do I transfer my case? I just got a letter in the mail saying I am assigned to a Medicare Prescription Drug Insurance Plan. Complete employee information section. Be sure to write legibly to ensure proper processing. 2.