Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Ada Margaret Ziolkowski

Social Worker in Everett, MA · enumerated 2012.

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

National Provider Identifier

1437406048

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Registry record

Entity type Individual (Type 1)

Name Ms. Ada Margaret Ziolkowski

Sex Female

Practice address 173 Chelsea St, Everett, MA, 02149

Phone (781) 388-6253

Enumeration date Aug 14, 2012

Last updated in NPPES Aug 14, 2012

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers Primary

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

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 Ada Ziolkowski?

The National Provider Identifier (NPI) for Ada Ziolkowski is 1437406048, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ada Ziolkowski practice?

The practice location on file with NPPES is in Everett, 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 2012-08-14.