Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karen E Marchese, L.C.S.W.

Clinical Social Worker in Livingston, NJ · enumerated 2011.

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

National Provider Identifier

1851682678

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Registry record

Entity type Individual (Type 1)

Name Karen E Marchese

Credential L.C.S.W.

Sex Female

Practice address 22 Old Short Hills Rd, Suite 216, Livingston, NJ, 07039

Phone (973) 994-3145

Fax (973) 994-9152

Enumeration date Apr 27, 2011

Last updated in NPPES Apr 27, 2011

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers 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 Karen Marchese?

The National Provider Identifier (NPI) for Karen Marchese is 1851682678, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karen Marchese practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-04-27.