Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Crystal Clifford, Lcsw Pllc

Clinical Social Worker in Harwinton, CT · enumerated 2024 · authorized official Crystal Clifford, Social Worker.

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

National Provider Identifier

1578312914

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Registry record

Entity type Organization (Type 2)

Legal business name Crystal Clifford, Lcsw Pllc

Practice address 375 Harmony Hill Rd, Harwinton, CT, 06791

Phone (860) 352-1020

Enumeration date May 17, 2024

Last updated in NPPES May 17, 2024

Taxonomy & classification

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers Primary

Authorized official

Name Crystal Clifford

Title Social Worker

Phone (860) 352-1020

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

Where is Crystal Clifford, Lcsw Pllc located?

The practice location on file with NPPES is in Harwinton, CT.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2024-05-17. Verify at npiregistry.cms.hhs.gov.

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Crystal Clifford Addiction (Substance Use Disorder) Counselor · Harwinton, CT NPI 1366910341

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-17.