Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Haidee Anne Reff, MSW

Q: What is the NPI number for Haidee Reff?

The National Provider Identifier (NPI) for Haidee Reff is 1740844489, a Type 1 (individual) record in the CMS NPPES registry.

Social Worker in La Grande, OR · enumerated 2019.

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

National Provider Identifier

1740844489

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Registry record

Entity type Individual (Type 1)

Name Haidee Anne Reff

Credential MSW

Sex Female

Practice address 2301 Cove Ave, La Grande, OR, 97850

Phone (541) 962-8800

Fax (541) 963-5272

Enumeration date Apr 29, 2019

Last updated in NPPES Apr 29, 2019

Taxonomy & licenses

104100000X 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 Haidee Reff practice?

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

What is the NPI number for Haidee Reff?

The National Provider Identifier (NPI) for Haidee Reff is 1740844489, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-04-29.