Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Catherine Do Jackson, PHD

Psychologist in Davenport, IA · enumerated 2010.

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

National Provider Identifier

1821317678

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Registry record

Entity type Individual (Type 1)

Name Catherine Do Jackson

Credential PHD

Sex Female

Practice address 4455 E 56th St, Davenport, IA, 52807

Phone (563) 355-2577

Fax (563) 355-4015

Enumeration date May 19, 2010

Last updated in NPPES Jul 15, 2021

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 001161 (IA) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

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 Catherine Jackson?

The National Provider Identifier (NPI) for Catherine Jackson is 1821317678, a Type 1 (individual) record in the CMS NPPES registry.

Where does Catherine Jackson practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-07-15.