Search National Directory of Healthcare Providers and Services (NDH) Implementation Guide (All Versions)

Note: this search searches all versions of the National Directory of Healthcare Providers and Services (NDH) Implementation Guide, including balloted versions. You can also search specific versions:

• STU1 Trial-use (v1.0.0, 2025-04)
• STU1 Ballot (v1.0.0-ballot, 2023-07)