Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Amy B Horowitz, MSW LICSW

Q: What is the NPI number for Amy Horowitz?

The National Provider Identifier (NPI) for Amy Horowitz is 1114955267, a Type 1 (individual) record in the CMS NPPES registry.

Psychologist in Northhampton, MA · enumerated 2006.

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

National Provider Identifier

1114955267

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Registry record

Entity type Individual (Type 1)

Name Ms. Amy B Horowitz

Credential MSW LICSW

Sex Female

Practice address 25 Main St, Suite 217, Northhampton, MA, 01060

Phone (413) 585-0608

Enumeration date Jun 29, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 1017926 (MA) 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

Where does Amy Horowitz practice?

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

What is the NPI number for Amy Horowitz?

The National Provider Identifier (NPI) for Amy Horowitz is 1114955267, 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 2007-07-08.