Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Dennis D. Steele, Phd A Psychological Corporation

Psychologist in Cerritos, CA · enumerated 2012 · authorized official Dennis Steele, Owner/Psychologist.

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

National Provider Identifier

1023376852

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Registry record

Entity type Organization (Type 2)

Legal business name Dennis D. Steele, Phd A Psychological Corporation

Practice address 17215 Studebaker Rd, Suite 300, Cerritos, CA, 90703

Phone (562) 924-7307

Fax (562) 860-9398

Enumeration date Apr 30, 2012

Last updated in NPPES Apr 30, 2012

Taxonomy & classification

103T00000X Psychologist Behavioral Health & Social Service Providers · License PSY4331 (CA) Primary

Authorized official

Name Dennis Steele

Title Owner/Psychologist

Phone (562) 924-7307

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 Dennis D. Steele, Phd A Psychological Corporation?

The NPI for Dennis D. Steele, Phd A Psychological Corporation is 1023376852, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Dennis D. Steele, Phd A Psychological Corporation?

NPPES lists Dennis Steele (Owner/Psychologist) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-04-30.