Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Tutu

Social Worker in Willimantic, CT · enumerated 2018.

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

National Provider Identifier

1942796230

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Registry record

Entity type Individual (Type 1)

Name John Tutu

Sex Male

Practice address 433 Valley St, Willimantic, CT, 06226

Phone (860) 456-7200

Fax (860) 456-1683

Enumeration date Jul 10, 2018

Last updated in NPPES Aug 2, 2018

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers Secondary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is John Tutu?

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

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-08-02.