Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ellen Caroline Christensen, AUD

Audiologist in Carrollton, IL · enumerated 2017.

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

National Provider Identifier

1790290252

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Registry record

Entity type Individual (Type 1)

Name Dr. Ellen Caroline Christensen

Credential AUD

Sex Female

Practice address 800 School St, Carrollton, IL, 62016

Phone (217) 942-6946

Fax (217) 942-9012

Enumeration date Dec 6, 2017

Last updated in NPPES Nov 27, 2019

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 147001659 (IL) Primary

AUD · Doctor of Audiology: A licensed audiologist diagnosing and treating hearing and balance disorders. About the AUD credential

Other identifiers

Identifier	Type	State	Issuer
147001659	Other	IL	IL LICENSURE

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 Ellen Christensen?

The National Provider Identifier (NPI) for Ellen Christensen is 1790290252, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ellen Christensen practice?

The practice location on file with NPPES is in Carrollton, IL. 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 2019-11-27.