Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Caitlyn Michelle Marr

Marriage & Family Therapist in Fullerton, CA · enumerated 2021.

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

National Provider Identifier

1255094926

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Registry record

Entity type Individual (Type 1)

Name Caitlyn Michelle Marr

Sex Female

Practice address 151 Orangefair Ave Unit 219, Fullerton, CA, 92832

Phone (262) 227-9364

Enumeration date Oct 19, 2021

Last updated in NPPES Sep 3, 2025

Taxonomy & licenses

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 144806 (CA) 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 specialty is Caitlyn Marr?

Caitlyn Marr is registered in NPPES with the primary taxonomy of Marriage & Family Therapist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-03.