Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Gwen O Hollinger, MSSW

Counselor in Norcross, GA · enumerated 2011.

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

National Provider Identifier

1639478480

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Registry record

Entity type Individual (Type 1)

Name Ms. Gwen O Hollinger

Credential MSSW

Sex Female

Practice address 5030 Georgia Belle Ct, Norcross, GA, 30093

Phone (770) 638-5760

Enumeration date Mar 18, 2011

Last updated in NPPES Mar 18, 2011

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers · License 101Y00000K (GA) 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 is the NPI number for Gwen Hollinger?

The National Provider Identifier (NPI) for Gwen Hollinger is 1639478480, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gwen Hollinger practice?

The practice location on file with NPPES is in Norcross, GA. 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 2011-03-18.