1. Home
  2. Directory
  3. California
  4. Napa
  5. Social Worker
  6. NPI Profile

DALIA SIERRA
NPI 1184404212
Social Worker in Napa, CA

Active since October 05, 2023

NPPES record last updated: August 19, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dalia Sierra NPPES

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

DALIA SIERRA (NPI 1184404212) is an individual social worker in Napa, California and active in the NPI registry since October 2023.

NPPES Registry Identity

NPI1184404212
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameDALIA SIERRA
Location Address1272 HAYES STNapa, CA 94559-1711
Mailing Address63 Arboreo StNapa, CA 94559-4555
Phone(707) 237-0953
Sole ProprietorNo
Enumeration DateOctober 5, 2023
Last NPPES UpdateAugust 19, 2025
NPPES CertifiedAugust 19, 2025
✔ NPI 1184404212 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.
1272 HAYES ST, Napa, CA 94559
Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

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

VICTORIA DIAZ
Health and Wellness Coach
1272 HAYES ST
NAPA, CA 94559
Napa County (707) 255-0966
STEPHANIE PANDE
Student in an Organized Health Care Education/Training Program
1272 HAYES ST
NAPA, CA 94559
Napa County (707) 252-1279
ALYSSA GREENE
Health and Wellness Coach
1272 HAYES ST
NAPA, CA 94559
Napa County (707) 255-0966
MARY E CELAYA
Marriage & Family Therapist
1272 HAYES ST
NAPA, CA 94559
Napa County (707) 346-4396
MS. LISA DIANE DAVISON AMFT
Counselor (Mental Health)
1272 HAYES ST
NAPA, CA 94559
Napa County (707) 255-0966
BLANCA MIRELLA CORTES
Social Worker (Clinical)
1272 HAYES ST
NAPA, CA 94559
Napa County (707) 255-0966
MAYA SIMONE FRAZIER
Counselor (Mental Health)
1272 HAYES ST
NAPA, CA 94559
Napa County (707) 255-0966
MONIQUE GABUYA
Marriage & Family Therapist
1272 HAYES ST
NAPA, CA 94559
Napa County (707) 360-0192

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 Dalia Sierra's NPI number?

The NPI number for Dalia Sierra is 1184404212. It was assigned to this individual provider in the NPPES registry on October 5, 2023.

Where is Dalia Sierra located?

Dalia Sierra practices at 1272 Hayes St, Napa, CA 94559. The listed phone number is (707) 237-0953.

What is Dalia Sierra'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 Dalia Sierra was last updated on August 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.