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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.

ALEXANDRA HERNANDEZ-YSASI LICSW, LMHC
NPI 1124480785
Social Worker - Clinical in Seattle, WA

Active since March 23, 2016
3859 37TH AVE S, SEATTLE, WA 98118(914) 815-5057 Get Directions Write a Review

NPPES record last updated: September 10, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 10, 2026, Aug 11, 2020, Apr 14, 2017 and 3 more (6 updates tracked since 2016).

About Alexandra Hernandez-ysasi Licsw, Lmhc NPPES

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

ALEXANDRA HERNANDEZ-YSASI LICSW, LMHC (NPI 1124480785) is an individual clinical provider in Seattle, Washington, licensed in Washington (SC60876102) and active in the NPI registry since March 2016.

NPPES Registry Identity

NPI1124480785
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameALEXANDRA HERNANDEZ-YSASICredential: LICSW, LMHC
Location Address3859 37TH AVE SSeattle, WA 98118-1101
Mailing Address3859 37th Ave SSeattle, WA 98118-1101 · (914) 815-5057
Phone(914) 815-5057
Sole ProprietorYes
Enumeration DateMarch 23, 2016
Last NPPES UpdateSeptember 10, 20266 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2026
✔ NPI 1124480785 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in WA · SC60876102
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License LH61065566 (WA)
3859 37TH AVE S, Seattle, WA 98118
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

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 Alexandra Hernandez-ysasi's NPI number?

The NPI number for Alexandra Hernandez-ysasi is 1124480785. It was assigned to this individual provider in the NPPES registry on March 23, 2016.

Where is Alexandra Hernandez-ysasi located?

Alexandra Hernandez-ysasi practices at 3859 37th Ave S, Seattle, WA 98118. The listed phone number is (914) 815-5057.

What is Alexandra Hernandez-ysasi's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

What insurance does Alexandra Hernandez-ysasi accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Alexandra Hernandez-ysasi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Alexandra Hernandez-ysasi was last updated on September 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.