Tier 1 official source
CMS.gov
The federal healthcare administration portal for Medicare, Medicaid, claims, enrollment, and program guidance.
Source metadata
- Domain
- cms.gov
- Owner
- Centers for Medicare and Medicaid Services
- Level
- federal
- Category
- Healthcare administration
- Last checked
- 2026-10-24
What you can do there
Review claims and enrollment guidance
Find Medicare and Medicaid forms
Read program manuals and coverage rules
Track healthcare administration updates
Questions this answers
Related questions
What is CMS.gov?
What is Form CMS-1500?
How do Medicare claims work?
Related forms
Forms
Sources
- Centers for Medicare and Medicaid Services · checked 2026-10-24