Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Maria C. Czarnowski, LCSW-R

Clinical Social Worker in Port Jervis, NY · enumerated 2006 · practices at Orange County Dept of Menttal Health.

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

National Provider Identifier

1649346966

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Registry record

Entity type Individual (Type 1)

Name Mrs. Maria C. Czarnowski

Credential LCSW-R

Sex Female

Practice address 146 Pike St, Port Jervis, NY, 12771

Phone (845) 858-1456

Enumeration date Nov 28, 2006

Last updated in NPPES Jun 27, 2014

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 076165-1 (NY) Primary

Other identifiers

Identifier	Type	State	Issuer
076165-1	Other	NY	LCSW-R

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 Maria Czarnowski?

The National Provider Identifier (NPI) for Maria Czarnowski is 1649346966, a Type 1 (individual) record in the CMS NPPES registry.

Where does Maria Czarnowski practice?

The practice location on file with NPPES is in Port Jervis, NY. 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 2014-06-27.