When you take the cardiovascular risk assessment (CRA Plus), you'll be asked to provide your personal numbers, so it's a good idea to have them handy. You don't need these numbers to take the CRA Plus or participate in the program, but you'll receive a more accurate result if you do.
You can even provide them later after you've already started participating. If you've had a blood test to screen for your cholesterol and glucose within the past year, you can use those results in your risk assessment. If it's been over a year since you've had a blood test, consider scheduling an appointment to get your up-to-date numbers. See Nationwide's Taking Your Measurements Instructions to help you get the most accurate numbers possible.
There are several options to get your numbers checked. Here are some ideas: