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

SYLVIA HERNANDEZ
NPI 1427212109
Peer Specialist in Mission Viejo, CA

Active since July 11, 2008
25910 ACERO STE 160, MISSION VIEJO, CA 92691(909) 809-2952 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 27, 2026, Mar 4, 2024 (2 updates tracked since 2024).

About Sylvia Hernandez NPPES

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

SYLVIA HERNANDEZ (NPI 1427212109) is an individual peer specialist in Mission Viejo, California and active in the NPI registry since July 2008.

NPPES Registry Identity

NPI1427212109
Entity TypeIndividualFemale
Primary Taxonomy175T00000X
Provider Legal NameSYLVIA HERNANDEZ
Location Address25910 ACERO STE 160Mission Viejo, CA 92691-2777
Mailing Address25910 Acero Ste 160Mission Viejo, CA 92691-2777 · (909) 809-2952
Sole ProprietorYes
Enumeration DateJuly 11, 2008
Last NPPES UpdateJune 23, 20262 updates tracked since enumeration
NPPES CertifiedJune 23, 2026
NPI 1427212109 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPeer SpecialistOther Service Providers
Taxonomy Code175T00000X
Definition
Individuals certified to perform peer support services through a training process defined by a government agency, such as the Department of Veterans Affairs or a state mental health department/certification/licensing authority.
Also ListedCommunity Health WorkerTaxonomy 172V00000X
Also ListedAdult CompanionTaxonomy 372600000X
25910 ACERO STE 160, Mission Viejo, CA 92691

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.

Social Worker
25910 ACERO STE 160
MISSION VIEJO, CA 92691
Social Worker (Clinical)
25910 ACERO STE 160
MISSION VIEJO, CA 92691
Clinic/Center (Mental Health (Including Community Mental Health Center))
25910 ACERO STE 160
MISSION VIEJO, CA 92691
Marriage & Family Therapist
25910 ACERO STE 160
MISSION VIEJO, CA 92691
Counselor (Mental Health)
25910 ACERO STE 160
MISSION VIEJO, CA 92691
Adult Companion
25910 ACERO STE 160
MISSION VIEJO, CA 92691
Day Training/Habilitation Specialist
25910 ACERO STE 160
MISSION VIEJO, CA 92691
Day Training/Habilitation Specialist
25910 ACERO STE 160
MISSION VIEJO, CA 92691

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 Sylvia Hernandez's NPI number?

The NPI number for Sylvia Hernandez is 1427212109. It was assigned to this individual provider in the NPPES registry on July 11, 2008.

Where is Sylvia Hernandez located?

Sylvia Hernandez practices at 25910 Acero Ste 160, Mission Viejo, CA 92691. The listed phone number is (909) 809-2952.

What is Sylvia Hernandez's specialty?

The primary specialty registered for this NPI is Peer Specialist with taxonomy code 175T00000X.

When was this NPI record last updated?

The NPPES record for Sylvia Hernandez was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 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.