Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1104350792 Individual Practitioner Male Practitioner

Joshua Simpson

Social Worker - Clinical • Walnut, CA

Professional Overview & Biography Verified Profile Summary

Joshua Simpson is a registered healthcare professional specializing in Social Worker - Clinical in Walnut, CA. Practice services are available at 340 S LEMON AVE STE 9892 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

340 S Lemon Ave Ste 9892

Walnut, CA 917892706

Telephone 4154032156
Associated Practice Facility / Clinic
🏢 Cerebral Medical Group, P.a. Facility NPI 1528722543

Specialty Benchmarks & Practice Insights

Comparative analytics for Social Worker - Clinical in Walnut, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 18.1 Yrs
Regional Practice Density
12 Specialists

Practicing in Walnut, CA (37073 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2025-07-25
Social Worker - Clinical Primary Specialty

NUCC Taxonomy Code: 1041C0700X

State License CA LCSW118202

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.

Social Worker - Clinical

NUCC Taxonomy Code: 1041C0700X

State License CA ASW97971

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.

Case Manager/Care Coordinator

NUCC Taxonomy Code: 171M00000X

A person who provides case management services and assists an individual in gaining access to needed medical, social, educational, and/or other services. The person has the ability to provide an assessment and review of completed plan of care on a periodic basis. This person is also able to take collaborative action to coordinate the services with other providers and monitor the enrollee's progress toward the cost-effective achievement of objectives specified in the plan of care. Credentials may vary from an experience in the fields of psychology, social work, rehabilitation, nursing or a closely related human service field, to a related Assoc of Arts Degree or to nursing credentials. Some states may require certification in case management.

Rehabilitation Practitioner

NUCC Taxonomy Code: 225400000X

A health care practitioner who trains or retrains individuals disabled by disease or injury to help them attain their maximum functional capacity.

Secondary Practice Locations

801 E Chapman Ave, #203

Fullerton, CA 928313839

Phone: 7146809000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

38 Associated Practitioners
Ijego Nwankwo , PMHNP-BC

Nurse Practitioner - Psychiatric/Mental Health

NPI 1003496472

Psychiatric-Mental Health Nurse Practitioner (Board Certified)

Rachel Shirey

Nurse Practitioner - Psychiatric/Mental Health

NPI 1033843370
Sabre Weir , APRN, NP-C

Nurse Practitioner - Family

NPI 1124653571

Advanced Practice Registered Nurse, Nurse Practitioner (Certified)

Hayli Lapaglia , MSN, APRN, PMHNP-BC

Nurse Practitioner - Psychiatric/Mental Health

NPI 1134722952

Master of Science in Nursing, Advanced Practice Registered Nurse, Psychiatric-Mental Health Nurse Practitioner (Board Certified)

Erica Picon , LCSW

Social Worker - Clinical

NPI 1144661562

Licensed Clinical Social Worker

Dr. Stephanie Frimpong , DNP, PMHNP-BC

Nurse Practitioner - Psychiatric/Mental Health

NPI 1164059010

Doctor of Nursing Practice, Psychiatric-Mental Health Nurse Practitioner (Board Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

19 Historical Events
📍
Updated Practice Location July 25, 2025

Registered at 340 S LEMON AVE STE 9892, WALNUT, CA 917892706 (Tel: 4154032156)

📍
Updated Business Mailing Address July 25, 2025

Registered at PO BOX 14824, LONG BEACH, CA 908534824 (Tel: 9092411746)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 25, 2025

Social Worker (License #ASW97971 in CA)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 22, 2023

Social Worker (License #LCSW118202 in CA)

📍
Updated Practice Location December 06, 2022

Registered at 1005 ORANGE AVE APT 3, LONG BEACH, CA 908135501 (Tel: 9092411746)

📍
Updated Business Mailing Address December 06, 2022

Registered at 1005 ORANGE AVE APT 3, LONG BEACH, CA 908135501 (Tel: 9092411746)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 06, 2022

Case Manager/Care Coordinator

NPI Profile Active December 21, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location December 21, 2017

Registered at 801 E CHAPMAN AVE, #203, FULLERTON, CA 928313839 (Tel: 7146809000)

📍
Updated Business Mailing Address December 21, 2017

Registered at PO BOX 919, CRITTENTON SERVICES, FULLERTON, CA 928360919 (Tel: 7146809000)

👤
Provider Name / Credentials Updated December 21, 2017

Recorded as JOSHUA SIMPSON

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 21, 2017

Rehabilitation Practitioner

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 28, 2017

Case Manager/Care Coordinator

NPI Profile Active April 20, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location April 20, 2017

Registered at 801 E CHAPMAN AVE, #203, FULLERTON, CA 928313839 (Tel: 7146809000)

📍
Updated Business Mailing Address April 20, 2017

Registered at PO BOX 919, CRITTENTON SERVICES, FULLERTON, CA 928360919 (Tel: 7146809000)

👤
Provider Name / Credentials Updated April 20, 2017

Recorded as JOSHUA SIMPSON

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 20, 2017

Rehabilitation Practitioner

🟢
Initial NPI Registration & Enumeration April 20, 2017

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1104350792
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 20, 2017
Last Update: July 25, 2025
Sole Proprietor: Yes

Mailing Address

Po Box 14824

Long Beach, CA 908534824

Phone: 9092411746

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.