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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STEPHANIE MICHELLE TRONCOSO
NPI 1619429891
Social Worker in Rancho Cucamonga, CA

Active since November 04, 2016
9445 FAIRWAY VIEW PL STE 210, RANCHO CUCAMONGA, CA 91730(909) 983-2020 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jul 13, 2026, Mar 15, 2023, Nov 17, 2022 and 3 more (6 updates tracked since 2016).

About Stephanie Michelle Troncoso NPPES

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

STEPHANIE MICHELLE TRONCOSO (NPI 1619429891) is an individual social worker in Rancho Cucamonga, California, licensed in California (108422) and active in the NPI registry since November 2016.

NPPES Registry Identity

NPI1619429891
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameSTEPHANIE MICHELLE TRONCOSO
Location Address9445 FAIRWAY VIEW PL STE 210Rancho Cucamonga, CA 91730-0931
Mailing Address9445 Fairway View Pl Ste 210Rancho Cucamonga, CA 91730-0931 · (909) 983-2020
Phone(909) 983-2020
Sole ProprietorNo
Enumeration DateNovember 4, 2016
Last NPPES UpdateJuly 13, 20266 updates tracked since enumeration
NPPES CertifiedJuly 13, 2026
✔ NPI 1619429891 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in CA · 108422
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.
9445 FAIRWAY VIEW PL STE 210, Rancho Cucamonga, CA 91730
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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 Stephanie Troncoso's NPI number?

The NPI number for Stephanie Troncoso is 1619429891. It was assigned to this individual provider in the NPPES registry on November 4, 2016.

Where is Stephanie Troncoso located?

Stephanie Troncoso practices at 9445 Fairway View Pl Ste 210, Rancho Cucamonga, CA 91730. The listed phone number is (909) 983-2020.

What is Stephanie Troncoso'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 Stephanie Troncoso was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 days 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.