Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Katherine Gadd, M.S.
Counselor in Haverhill, MA · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1255779021
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Registry record
Entity type Individual (Type 1)
Name Katherine Gadd
Credential M.S.
Sex Female
Practice address 57 Wingate St Ste 401, Haverhill, MA, 01832
Phone (603) 205-4843
Fax (978) 241-4686
Enumeration date Jun 13, 2013
Last updated in NPPES May 14, 2025
Taxonomy & licenses
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.
Frequently asked questions
Where does Katherine Gadd practice?
The practice location on file with NPPES is in Haverhill, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Katherine Gadd?
The National Provider Identifier (NPI) for Katherine Gadd is 1255779021, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-14.