Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Dena M Marcinelli, LMSW

Social Worker in Lockport, NY · enumerated 2007.

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

National Provider Identifier

1417155193

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Registry record

Entity type Individual (Type 1)

Name Ms. Dena M Marcinelli

Credential LMSW

Sex Female

Practice address 6395 Old Niagara Rd, Lockport, NY, 14094

Phone (716) 433-4487

Enumeration date Jul 5, 2007

Last updated in NPPES Aug 12, 2010

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 068538-1 (NY) Primary

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 068538-1 (NY) Secondary

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

Is NPI 1417155193 active?

Yes, as of the latest NPPES snapshot, NPI 1417155193 is active (record last updated 2010-08-12).

How do I verify Dena Marcinelli's NPI record?

Cross-check NPI 1417155193 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-08-12.