Typically, subrogation refers to an accident victim's insurance company paying for a victim's upfront medical costs or property repairs. The CMS 1500 claim form is used to bill for most non-facility services, including professional services, transportation, and durable medical equipment.Subrogation in Arizona personal injury claims: when it's allowed, benefits, and risks of waivers. In Arizona, the atfault driver's insurance is primarily responsible for covering the medical costs of those injured in a car accident. Insurance companies can utilize this letter template to seek reimbursement from the person or entity legally responsible for a loss. Our Provider Services representatives are skilled to provide help to many basic claims questions. To reach Provider Services call (602) 417-7670. Understanding the rights of medical creditors, health insurance companies and lien holders will help you keep more of your settlement. You can file claims with us electronically or through the mail. We work to streamline the way we process claims.