Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karen Marx

Q: What is the NPI number for Karen Marx?

The National Provider Identifier (NPI) for Karen Marx is 1528258480, a Type 1 (individual) record in the CMS NPPES registry.

Occupational Therapist in Council Bluffs, IA · enumerated 2007.

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

National Provider Identifier

1528258480

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Registry record

Entity type Individual (Type 1)

Name Karen Marx

Sex Female

Practice address 1600 Mcpherson Ave, Council Bluffs, IA, 51503

Phone (615) 896-6400

Enumeration date Jul 26, 2007

Last updated in NPPES Jul 26, 2007

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 01147 (IA) 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 Karen Marx?

The National Provider Identifier (NPI) for Karen Marx is 1528258480, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karen Marx practice?

The practice location on file with NPPES is in Council Bluffs, IA. 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 2007-07-26.