Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Eugenia Marks, LMSW, LADAC

Social Worker in Springdale, AR · enumerated 2015.

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

National Provider Identifier

1275904302

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Registry record

Entity type Individual (Type 1)

Name Eugenia Marks

Credential LMSW, LADAC

Sex Female

Practice address 3623 Johnson Mill Blvd, Suite 103, Springdale, AR, 72762

Phone (479) 435-4207

Fax (479) 935-3180

Enumeration date Oct 15, 2015

Last updated in NPPES Mar 26, 2026

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 12961-M (AR) Primary

Other identifiers

Identifier	Type	State	Issuer
210350795	Medicaid	AR	-

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 specialty is Eugenia Marks?

Eugenia Marks is registered in NPPES with the primary taxonomy of Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-26.