Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jennifer M Koller

Registered Nurse in Willimantic, CT · enumerated 2023.

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

National Provider Identifier

1326745738

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Registry record

Entity type Individual (Type 1)

Name Jennifer M Koller

Sex Female

Practice address 1310 Main St, Willimantic, CT, 06226

Phone (860) 731-5522

Fax (860) 731-5536

Enumeration date Feb 15, 2023

Last updated in NPPES Feb 15, 2023

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License E45927 (CT) 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 Jennifer Koller?

The National Provider Identifier (NPI) for Jennifer Koller is 1326745738, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jennifer Koller practice?

The practice location on file with NPPES is in Willimantic, CT. 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 2023-02-15.