Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Cecelia Marzullo

Marriage & Family Therapist in Hesperia, CA · enumerated 2013.

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

National Provider Identifier

1316385339

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Registry record

Entity type Individual (Type 1)

Name Cecelia Marzullo

Sex Female

Practice address 18448 Westlawn St, Hesperia, CA, 92345

Phone (760) 255-6574

Fax (844) 206-0834

Enumeration date Jun 12, 2013

Last updated in NPPES May 11, 2022

Taxonomy & licenses

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 106981 (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

Where does Cecelia Marzullo practice?

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

What is the NPI number for Cecelia Marzullo?

The National Provider Identifier (NPI) for Cecelia Marzullo is 1316385339, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-05-11.