Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ella Rose Marx, LLMSW

Q: What is the NPI number for Ella Marx?

The National Provider Identifier (NPI) for Ella Marx is 1356996714, a Type 1 (individual) record in the CMS NPPES registry.

Social Worker in Ypsilanti, MI · enumerated 2019.

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

National Provider Identifier

1356996714

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Registry record

Entity type Individual (Type 1)

Name Ella Rose Marx

Credential LLMSW

Sex Female

Practice address 750 Towner St, Ypsilanti, MI, 48198

Phone (734) 544-3050

Fax (734) 544-6732

Enumeration date Aug 2, 2019

Last updated in NPPES Oct 18, 2022

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers Secondary

104100000X Social Worker Behavioral Health & Social Service Providers · License 6851114005 (MI) 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 Ella Marx?

The National Provider Identifier (NPI) for Ella Marx is 1356996714, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ella Marx practice?

The practice location on file with NPPES is in Ypsilanti, MI. 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 2022-10-18.