Enroll everyone automatically

Months 6–18 for Wave 1, then before each wave · UHA, SSA, IRSDiscuss this step

UHP number and card (new)

newYear 0–1Data & technology

Today

Different member IDs per insurer; Medicare MBI.

Under the plan

One lifelong identifier (extending the MBI format); digital card.

Trade-off

Simplicity; privacy concerns about a universal identifier.