NPI Portal NPI Lookup & Verification

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

Mrs. Jennifer A Smiarowski, LCSW-R

Clinical Social Worker in East Setauket, NY · enumerated 2011.

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

National Provider Identifier

1194018846

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mrs. Jennifer A Smiarowski
Credential LCSW-R
Sex Female
Practice address East Setauket, NY, 11733
Phone (631) 751-6816
Enumeration date May 26, 2011
Last updated in NPPES Jul 31, 2013

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 R046451 (NY) 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 Jennifer Smiarowski?
The National Provider Identifier (NPI) for Jennifer Smiarowski is 1194018846, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jennifer Smiarowski practice?
The practice location on file with NPPES is in East Setauket, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-07-31.