Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ellen Sullivan Wassif, LSW

Q: What is the NPI number for Ellen Wassif?

The National Provider Identifier (NPI) for Ellen Wassif is 1023268471, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Social Worker in Durango, CO · enumerated 2008.

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

National Provider Identifier

1023268471

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Ellen Sullivan Wassif

Credential LSW

Sex Female

Practice address 281 Sawyer Dr, Durango, CO, 81303

Phone (970) 749-0045

Enumeration date Sep 23, 2008

Last updated in NPPES Jan 29, 2015

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers Primary

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

Where does Ellen Wassif practice?

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

What is the NPI number for Ellen Wassif?

The National Provider Identifier (NPI) for Ellen Wassif is 1023268471, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-01-29.