Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Helen Duane-Sonser, LCSW-R

Clinical Social Worker in Titusville, FL · enumerated 2007.

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

National Provider Identifier

1659584696

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Registry record

Entity type Individual (Type 1)

Name Ms. Helen Duane-Sonser

Credential LCSW-R

Sex Female

Practice address 5005 Port St John Parkway, Suite 2400, Titusville, FL, 32780

Phone (321) 268-6808

Fax (321) 264-0727

Enumeration date May 7, 2007

Last updated in NPPES Apr 20, 2021

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 063150 (NY) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License SW 9900 (FL) 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 Helen Duane-Sonser?

The National Provider Identifier (NPI) for Helen Duane-Sonser is 1659584696, a Type 1 (individual) record in the CMS NPPES registry.

Where does Helen Duane-Sonser practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-04-20.