Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kerrin Jeanne Knight Tammik

Behavior Analyst in Fitchburg, MA · enumerated 2023.

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

National Provider Identifier

1376240432

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Registry record

Entity type Individual (Type 1)

Name Kerrin Jeanne Knight Tammik

Sex Female

Practice address 76 Summer St, Fitchburg, MA, 01420

Phone (978) 602-4957

Enumeration date Feb 9, 2023

Last updated in NPPES Feb 9, 2023

Taxonomy & licenses

103K00000X Behavior Analyst 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 is the NPI number for Kerrin Tammik?

The National Provider Identifier (NPI) for Kerrin Tammik is 1376240432, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kerrin Tammik practice?

The practice location on file with NPPES is in Fitchburg, MA. 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 2023-02-09.