Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Katherine M Duhamel, MA LADC

Addiction (Substance Use Disorder) Counselor in Hartford, VT · enumerated 2006.

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

National Provider Identifier

1225103534

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Ms. Katherine M Duhamel

Credential MA LADC

Sex Female

Practice address 49 School Street, Hartford, VT, 05047

Phone (802) 295-3031

Fax (802) 886-4520

Enumeration date Nov 21, 2006

Last updated in NPPES Jul 3, 2024

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 151.0125844 (VT) 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 Katherine Duhamel?

The National Provider Identifier (NPI) for Katherine Duhamel is 1225103534, a Type 1 (individual) record in the CMS NPPES registry.

Where does Katherine Duhamel practice?

The practice location on file with NPPES is in Hartford, VT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-03.