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KATHRYN BLACKTHORN MSW, LCSW
NPI 1922492347
Social Worker - Clinical in El Dorado, CA

Active since March 24, 2015
PO BOX 1362, EL DORADO, CA 95623(916) 500-4188 Get Directions Write a Review

NPPES record last updated: February 26, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 19, 2022, Jan 8, 2021, Jul 5, 2017 (3 updates tracked since 2017).

About Kathryn Blackthorn Msw, Lcsw NPPES

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

KATHRYN BLACKTHORN MSW, LCSW (NPI 1922492347) is an individual clinical provider in El Dorado, California, licensed in California (LCSW76317) and active in the NPI registry since March 2015.

NPPES Registry Identity

NPI1922492347
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKATHRYN BLACKTHORNCredential: MSW, LCSW
Location AddressPO BOX 1362El Dorado, CA 95623-1362
Mailing AddressPo Box 1362El Dorado, CA 95623-1362 · (916) 879-5011
Phone(916) 500-4188
Sole ProprietorYes
Enumeration DateMarch 24, 2015
Last NPPES UpdateFebruary 26, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 26, 2026
✔ NPI 1922492347 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · LCSW76317
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.
PO BOX 1362, El Dorado, CA 95623
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Other Names 1

Former Name (1)Kathryn Smisko Msw, Lcsw

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.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 Kathryn Blackthorn's NPI number?

The NPI number for Kathryn Blackthorn is 1922492347. It was assigned to this individual provider in the NPPES registry on March 24, 2015. The provider is also known as Kathryn Smisko Msw, Lcsw.

Where is Kathryn Blackthorn located?

Kathryn Blackthorn practices at PO Box 1362, El Dorado, CA 95623. The listed phone number is (916) 500-4188.

What is Kathryn Blackthorn's specialty?

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

What insurance does Kathryn Blackthorn accept?

Health plans from Blue Cross and Blue Shield of Texas list Kathryn Blackthorn 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 Kathryn Blackthorn was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.