Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Lucia Middelhof

Social Worker in Springfield, VA · enumerated 2026.

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

National Provider Identifier

1770409351

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Registry record

Entity type Individual (Type 1)

Name Lucia Middelhof

Sex Female

Practice address 6563 Edsall Rd, Springfield, VA, 22151

Phone (703) 354-0000

Enumeration date Jun 26, 2026

Last updated in NPPES Jun 26, 2026

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 Lucia Middelhof practice?

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

What is the NPI number for Lucia Middelhof?

The National Provider Identifier (NPI) for Lucia Middelhof is 1770409351, 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 2026-06-26.