MS. GUILLERMINA HALL
NPI 1811321664
Social Worker in Ontario, CA

Active since August 29, 2013

NPPES record last updated: August 29, 2013. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Ms. Guillermina Hall NPPES

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

MS. GUILLERMINA HALL (NPI 1811321664) is an individual social worker in Ontario, California and active in the NPI registry since August 2013.

NPPES Registry Identity

NPI1811321664
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMS. GUILLERMINA HALL
Location Address317 W F STOntario, CA 91762-3205
Mailing Address10802 Wilson AveAlta Loma, CA 91737-2437 · (909) 996-1217
Sole ProprietorNo
Enumeration DateAugust 29, 2013
NPI 1811321664 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.

317 W F ST, Ontario, CA 91762

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.

Marriage & Family Therapist
317 W F ST
ONTARIO, CA 91762
Social Worker (Clinical)
317 W F ST
ONTARIO, CA 91762
Social Worker (Clinical)
317 W F ST
ONTARIO, CA 91762
Counselor
317 W F ST
ONTARIO, CA 91762
Counselor (Addiction (Substance Use Disorder))
317 W F ST
ONTARIO, CA 91762
Social Worker (Clinical)
317 W F ST
ONTARIO, CA 91762
Counselor (Mental Health)
317 W F ST
ONTARIO, CA 91762
Counselor (School)
317 W F ST
ONTARIO, CA 91762

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 Guillermina Hall's NPI number?

The NPI number for Guillermina Hall is 1811321664. It was assigned to this individual provider in the NPPES registry on August 29, 2013.

Where is Guillermina Hall located?

Guillermina Hall practices at 317 W F St, Ontario, CA 91762. The listed phone number is (909) 986-7111.

What is Guillermina Hall'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 Guillermina Hall was last updated on August 29, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.