Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Yelena Marks, MS, CCC-SLP

Q: What is the NPI number for Yelena Marks?

The National Provider Identifier (NPI) for Yelena Marks is 1841445426, a Type 1 (individual) record in the CMS NPPES registry.

Speech-Language Pathologist in Port Washington, NY · enumerated 2008.

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

National Provider Identifier

1841445426

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Registry record

Entity type Individual (Type 1)

Name Mrs. Yelena Marks

Credential MS, CCC-SLP

Sex Female

Practice address 82 Barkers Point Rd, Port Washington, NY, 11050

Phone (917) 319-8992

Enumeration date Nov 24, 2008

Last updated in NPPES Oct 10, 2023

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 01232-0 (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 Yelena Marks?

The National Provider Identifier (NPI) for Yelena Marks is 1841445426, a Type 1 (individual) record in the CMS NPPES registry.

Where does Yelena Marks practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-10-10.