100+ Answers
Michael Godfrey, Engineer, Programmer, Easily distracted individual

I see a few detailed answers here, which in sure are helpful for many. I'll offer a simple one now, based on my own anecdotal experience.

It's on your vehicle registration

Boom, there it is.

I lost my ID once after a night out, and the website to replace your drivers license requires the number. That's the situation that I was in, and this was the solution to my problem.

Usa And While Disparities Payment Reforming Families Tackling Health
The activity around payment and system reform creates an opportunity to develop interventions that directly address racial and ethnic health disparities. However, some reforms could inadvertently...Tackling Health Disparities While Reforming Payment and Delivery | Families USA
Usa And While Disparities Payment Reforming Families Tackling Health Delivery Usa And While Disparities Payment Reforming Families Tackling Health Delivery