Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Allison Dassatti

Nurse Practitioner in Haverhill, MA · enumerated 2014.

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

National Provider Identifier

1558760942

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Registry record

Entity type Individual (Type 1)

Name Allison Dassatti

Sex Female

Practice address 1 Parkway, Haverhill, MA, 01830

Phone (978) 521-3235

Fax (978) 521-3236

Enumeration date Aug 21, 2014

Last updated in NPPES Aug 21, 2014

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN2284755 (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.

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Frequently asked questions

What is the NPI number for Allison Dassatti?

The National Provider Identifier (NPI) for Allison Dassatti is 1558760942, a Type 1 (individual) record in the CMS NPPES registry.

Where does Allison Dassatti practice?

The practice location on file with NPPES is in Haverhill, 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 2014-08-21.