42 CFR 414.21 : Public Health (Part 1 To Parts 1009-1099) — (§ 414.1 To Parts 427-429) — Centers For Medicare & Medicaid Services, Department Of Health And Human Services (Continued) (§ 414.1 To Parts 427-429) — Medicare Program (Continued) (§ 414.1 To Parts 427-429) — Payment For Part B Medical And Other Health Services (§ 414.1 To § 414.1285) — Physicians And Other Practitioners (§ 414.20 To § 414.94) — Medicare payment basis.