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

Carin Blatteis, L.C.S.W.

Clinical Social Worker in Warren, NJ · enumerated 2013.

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

National Provider Identifier

1346685294

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Registry record

Entity type Individual (Type 1)

Name Carin Blatteis

Credential L.C.S.W.

Sex Female

Practice address Warren, NJ, 07059

Phone (908) 542-9840

Enumeration date May 6, 2013

Last updated in NPPES Oct 10, 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 44SC04505600 (NJ) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

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 Carin Blatteis?

The National Provider Identifier (NPI) for Carin Blatteis is 1346685294, a Type 1 (individual) record in the CMS NPPES registry.

Where does Carin Blatteis practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-10-10.