Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Fiona Arthurs, LMFT

Marriage & Family Therapist in Warrenville, IL · enumerated 2019 · practices at Warrenville Youth & Family Services.

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

National Provider Identifier

1053878421

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Registry record

Entity type Individual (Type 1)

Name Fiona Arthurs

Credential LMFT

Sex Female

Practice address 28w542 Batavia Rd, Warrenville, IL, 60555

Phone (630) 393-7057

Fax (630) 393-7029

Enumeration date Feb 21, 2019

Last updated in NPPES Dec 18, 2019

Taxonomy & licenses

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 166001314 (IL) Primary

LMFT · Licensed Marriage and Family Therapist: A licensed therapist specializing in relational and family psychotherapy. About the LMFT 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

Is NPI 1053878421 active?

Yes, as of the latest NPPES snapshot, NPI 1053878421 is active (record last updated 2019-12-18).

How do I verify Fiona Arthurs's NPI record?

Cross-check NPI 1053878421 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-12-18.