Comparison
Bulk Product Workflow vs One-at-a-Time Lookup
The CMS NPI Registry is useful for individual lookups. NPI Data Hub is designed for versioned list products by geography and taxonomy.
| Feature | NPI Data Hub | CMS NPI Registry |
|---|---|---|
| Individual lookup | ||
| Bulk scoped products | ||
| Release manifest | ||
| Source authority | Derived | CMS |
| Current availability | Published catalog |
Why NPI Data Hub
Repeatable bulk artifacts
Product-specific contracts
Quality and publication evidence
Why CMS NPI Registry
Official lookup experience
Current individual records
No derived product layer
Review the published catalog, documented product contract, and immutable release evidence. Checkout and controlled downloads are not available yet.
Browse State DataFrequently Asked Questions
Can the hub verify one NPI in real time?
Not yet. Real-time lookup is not part of the current published catalog.
Why keep a manifest for bulk data?
It records exactly which source and transform produced the artifact used downstream.