Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Healing With Hayley, LLC

Clinical Social Worker in East Boston, MA · enumerated 2026 · authorized official Hayley Siegel, Owner/Pscyhotherapist.

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

National Provider Identifier

1679499917

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Registry record

Entity type Organization (Type 2)

Legal business name Healing With Hayley, LLC

Practice address 31 Monmouth St # 4, East Boston, MA, 02128

Phone (617) 817-8915

Enumeration date Jun 29, 2026

Last updated in NPPES Jun 29, 2026

Taxonomy & classification

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers Primary

Authorized official

Name Hayley Siegel

Title Owner/Pscyhotherapist

Phone (617) 817-8915

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

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2026-06-29. Verify at npiregistry.cms.hhs.gov.

Where is Healing With Hayley, LLC located?

The practice location on file with NPPES is in East Boston, MA.

Providers at this address

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Hayley Siegel Clinical Social Worker · East Boston, MA NPI 1992171557

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-29.