To my knowledge, Nationwide
does offer discounts to EMT but I'm not 100% if there are any specifics to the state of California. Because car insurance is regulated at the state, there could be some implications regarding California's state legislator that would prohibit employment status being considered. However, my best recommendation is not to consider the availability of this discount when shopping for car insurance. This discount is usually very small, maybe a few percentages off your total car insurance premium. My best recommendation for getting cheap car insurance is to shop around as much as possible with as many companies as possible. Only with The Zebra can you compare hundreds of different companies at once. Click here
to get started. If you're looking for more information on EMT discounts, see here.
If you're looking for resources for finding car insurance at your age, see here.