Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mary Petrie

Q: What is the NPI number for Mary Petrie?

The National Provider Identifier (NPI) for Mary Petrie is 1780591024, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Social Worker in Foxboro, MA · enumerated 2026.

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

National Provider Identifier

1780591024

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Registry record

Entity type Individual (Type 1)

Name Mary Petrie

Sex Female

Practice address Foxboro, MA, 02035

Phone (617) 959-4200

Enumeration date Aug 24, 2026

Last updated in NPPES Sep 1, 2026

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 229713 (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

What is the NPI number for Mary Petrie?

The National Provider Identifier (NPI) for Mary Petrie is 1780591024, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mary Petrie practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-09-01.