Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nan Simpson, LCSW

Clinical Social Worker in Unity, ME · enumerated 2016 · practices at Watersedge Counseling Services, LLC.

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

National Provider Identifier

1689117053

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Registry record

Entity type Individual (Type 1)

Name Nan Simpson

Credential LCSW

Sex Female

Practice address 64 Locust Ln, Unity, ME, 04988

Phone (207) 441-3722

Enumeration date Dec 2, 2016

Last updated in NPPES Oct 2, 2023

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LC17745 (ME) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW 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.

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Frequently asked questions

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.

What specialty is Nan Simpson?

Nan Simpson is registered in NPPES with the primary taxonomy of Clinical Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Watersedge Counseling Services, LLC Clinical Social Worker · Unity, ME NPI 1356121941

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-10-02.