Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Delaney B Guinan

Social Worker in Geneva, IL · enumerated 2020.

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

National Provider Identifier

1265037642

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Registry record

Entity type Individual (Type 1)

Name Delaney B Guinan

Sex Female

Practice address 1120 Randall Ct, Geneva, IL, 60134

Phone (630) 232-1070

Enumeration date Dec 2, 2020

Last updated in NPPES Dec 2, 2020

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.

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Frequently asked questions

What is the NPI number for Delaney Guinan?

The National Provider Identifier (NPI) for Delaney Guinan is 1265037642, a Type 1 (individual) record in the CMS NPPES registry.

Where does Delaney Guinan practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-12-02.