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SIERRA GUZMAN NEFF
NPI 1639068158
Social Worker in San Diego, CA

Active since June 30, 2025
3350 E ST, SAN DIEGO, CA 92102(619) 233-8500 Get Directions Write a Review

NPPES record last updated: June 30, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Sierra Guzman Neff NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIERRA GUZMAN NEFF (NPI 1639068158) is an individual social worker in San Diego, California and active in the NPI registry since June 2025.

NPPES Registry Identity

NPI1639068158
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameSIERRA GUZMAN NEFF
Location Address3350 E STSan Diego, CA 92102-3332
Mailing Address444 E 4th Ave Apt 319Escondido, CA 92025-4368
Phone(619) 233-8500
Sole ProprietorNo
Enumeration DateJune 30, 2025
NPPES CertifiedJune 30, 2025
✔ NPI 1639068158 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
3350 E ST, San Diego, CA 92102
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Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. MICHELE CASSANDRA PADILLA PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
3350 E ST
SAN DIEGO, CA 92102
San Diego County (619) 466-3537
KIMBERLY MARIE BELTRON FNP
Nurse Practitioner (Family)
3350 E ST
SAN DIEGO, CA 92102
San Diego County (619) 466-3537

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sierra Guzman Neff's NPI number?

The NPI number for Sierra Guzman Neff is 1639068158. It was assigned to this individual provider in the NPPES registry on June 30, 2025.

Where is Sierra Guzman Neff located?

Sierra Guzman Neff practices at 3350 E St, San Diego, CA 92102. The listed phone number is (619) 233-8500.

What is Sierra Guzman Neff's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Sierra Guzman Neff was last updated on June 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.