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MR. JONATHAN MITCHELMORE LCSW
NPI 1023398963
Social Worker - Clinical in San Mateo, CA

Active since August 23, 2011
100 S ELLSWORTH AVE STE 802, SAN MATEO, CA 94401(650) 539-8042 Get Directions Write a Review

NPPES record last updated: September 3, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 3, 2025, Sep 10, 2018 (2 updates tracked since 2018).

About Mr. Jonathan Mitchelmore Lcsw NPPES

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

MR. JONATHAN MITCHELMORE LCSW (NPI 1023398963) is an individual clinical provider in San Mateo, California, licensed in California (LCSW79318) and active in the NPI registry since August 2011.

NPPES Registry Identity

NPI1023398963
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. JONATHAN MITCHELMORECredential: LCSW
Location Address100 S ELLSWORTH AVE STE 802San Mateo, CA 94401-3926
Mailing Address1235 Mission St Fl 2San Francisco, CA 94103-2705
Phone(650) 539-8042
Sole ProprietorNo
Enumeration DateAugust 23, 2011
Last NPPES UpdateSeptember 3, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2025
✔ NPI 1023398963 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 · LCSW79318
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.
100 S ELLSWORTH AVE STE 802, San Mateo, CA 94401
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Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JUNICHI SHIMAOKA
Psychologist (Clinical)
100 S ELLSWORTH AVE STE 802
SAN MATEO, CA 94401
San Mateo County (650) 667-7193
DR. AYA INAMORI WILLIAMS PHD
Psychologist (Clinical)
100 S ELLSWORTH AVE STE 802
SAN MATEO, CA 94401
San Mateo County (650) 822-1095

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 Jonathan Mitchelmore's NPI number?

The NPI number for Jonathan Mitchelmore is 1023398963. It was assigned to this individual provider in the NPPES registry on August 23, 2011.

Where is Jonathan Mitchelmore located?

Jonathan Mitchelmore practices at 100 S Ellsworth Ave Ste 802, San Mateo, CA 94401. The listed phone number is (650) 539-8042.

What is Jonathan Mitchelmore's specialty?

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

When was this NPI record last updated?

The NPPES record for Jonathan Mitchelmore was last updated on September 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.