NPI Portal NPI Lookup & Verification

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

Mrs. Carol Linda Ahlstrand Smith, L.I.C.S.W.

Clinical Social Worker in Boylston, MA · enumerated 2007.

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

National Provider Identifier

1740490036

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Registry record

Entity type Individual (Type 1)
Name Mrs. Carol Linda Ahlstrand Smith
Credential L.I.C.S.W.
Sex Female
Practice address Boylston, MA, 01505
Enumeration date May 23, 2007
Last updated in NPPES Jul 8, 2007

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 1018041 (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 Carol Smith?
The National Provider Identifier (NPI) for Carol Smith is 1740490036, a Type 1 (individual) record in the CMS NPPES registry.
Where does Carol Smith practice?
The practice location on file with NPPES is in Boylston, 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 2007-07-08.