Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Rebecca Annette Duff, RN

Q: What is the NPI number for Rebecca Duff?

The National Provider Identifier (NPI) for Rebecca Duff is 1568255594, a Type 1 (individual) record in the CMS NPPES registry.

Registered Nurse in Commerce City, CO · enumerated 2025.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1568255594

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Registry record

Entity type Individual (Type 1)

Name Rebecca Annette Duff

Credential RN

Sex Female

Practice address 7836 Monaco St Apt B, Commerce City, CO, 80022

Phone (970) 443-9785

Fax (970) 443-9785

Enumeration date May 23, 2025

Last updated in NPPES May 23, 2025

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 1623797 (CO) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Rebecca Duff?

The National Provider Identifier (NPI) for Rebecca Duff is 1568255594, a Type 1 (individual) record in the CMS NPPES registry.

Where does Rebecca Duff practice?

The practice location on file with NPPES is in Commerce City, CO. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-23.