Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Theresa De La Fuente

Marriage & Family Therapist in Naperville, IL · enumerated 2012.

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

National Provider Identifier

1023365350

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Registry record

Entity type Individual (Type 1)

Name Theresa De La Fuente

Sex Female

Practice address Naperville, IL, 60540

Phone (347) 921-2175

Enumeration date Aug 6, 2012

Last updated in NPPES Dec 19, 2022

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Secondary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 77981 (CA) Secondary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 166.001309 (IL) 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

What specialty is Theresa De La Fuente?

Theresa De La Fuente is registered in NPPES with the primary taxonomy of Marriage & Family Therapist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-12-19.