Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Kathleen Laura Castles-Fonseca, PSY.D.

Psychologist in East Orange, NJ · enumerated 2006.

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

National Provider Identifier

1164443743

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Registry record

Entity type Individual (Type 1)

Name Dr. Kathleen Laura Castles-Fonseca

Credential PSY.D.

Sex Female

Practice address 385 Tremont Ave, East Orange, NJ, 07018

Phone (973) 676-1000

Enumeration date Jul 21, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 35SI00411300 (NJ) Primary

PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice. About the PSYD 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.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Kathleen Castles-Fonseca?

Kathleen Castles-Fonseca is registered in NPPES with the primary taxonomy of Psychologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.