2 focused guides in this cluster. Use the individual articles for the exact transaction rather than treating the entire payer/onboarding workflow as one status.
Q5 identifies reciprocal billing arrangements, while Q6 identifies fee-for-time compensation arrangements for substitute physicians. The modifier choice turns on the arrangement, not on a shortcut such as whether the substitute physician has a separate practice.
READ GUIDE ↗A qualifying temporary substitute arrangement can be billed under the regular physician’s identifier without ordinary enrollment of the substitute, subject to Medicare’s conditions and the 60-day continuous-period rule. Longer or nonqualifying coverage can require ordinary enrollment and reassignment.
READ GUIDE ↗