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Deactivated NPI 1770134975 Deactivated / Inactive NPI Female Practitioner

Joyce Zhong

Social Worker • Martinez, CA

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Joyce Zhong has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date September 28, 2019
NPI Deactivation Date August 21, 2024
Total Practice Duration ~5 Years of Practice (2019 – 2024)

Professional Overview & Biography Verified Profile Summary

Joyce Zhong was a registered Social Worker practicing in Martinez, CA. Throughout an active medical career spanning 5 years, Joyce Zhong provided care at the practice location at 1340 ARNOLD DR STE 110 until profile deactivation on 2024-08-21.

Practice Location & Contact Primary Location

Practice Address

1340 Arnold Dr Ste 110

Martinez, CA 945534189

Telephone 9253879808

Specialty Benchmarks & Practice Insights

Comparative analytics for Social Worker in Martinez, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 16.2 Yrs
Regional Practice Density
25 Specialists

Practicing in Martinez, CA (10507 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: 2026-01-14
Social Worker Primary Specialty

NUCC Taxonomy Code: 104100000X

A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

Practice Associates & Co-Workers

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

11 Associated Practitioners
NPI 1023831948

Academy of Certified Social Workers

Robin Laven , RN

Registered Nurse

NPI 1275363418

Registered Nurse

Bobbie Byrd

Counselor - Addiction (Substance Use Disorder)

NPI 1285227009
Karen Kate Lajeras

Registered Nurse

NPI 1285464404
Bopha Tep

Rehabilitation Practitioner

NPI 1346064128
Osas Ehigiegba , PMHNP-BC

Nurse Practitioner - Psychiatric/Mental Health

NPI 1518646850

Psychiatric-Mental Health Nurse Practitioner (Board Certified)

Career & Practice History Timeline

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

14 Historical Events
📍
Updated Practice Location January 14, 2026

Registered at 1340 ARNOLD DR STE 110, MARTINEZ, CA 945534189 (Tel: 9253879808)

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Updated Business Mailing Address January 14, 2026

Registered at 1340 ARNOLD DR STE 110, MARTINEZ, CA 945534189

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Updated Practice Location January 11, 2026

Registered at 1340 ARNOLD DR STE 200, MARTINEZ, CA 945534189 (Tel: 9253879808)

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Updated Business Mailing Address January 11, 2026

Registered at 1340 ARNOLD DR STE 200, MARTINEZ, CA 945534189

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Updated Practice Location September 03, 2024

Registered at 300 ILENE ST, MARTINEZ, CA 945532631 (Tel: 9253260647)

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Medical Taxonomy / Specialty Registered (Primary Specialty) September 03, 2024

Social Worker

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NPI Profile Reactivated August 28, 2024

Record officially reactivated for active practice on August 28, 2024

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NPI Profile Deactivated August 21, 2024

Record deactivated on August 21, 2024

NPI Profile Active September 28, 2019

NPI status registered as active in NPPES database

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Updated Practice Location September 28, 2019

Registered at 66 S SAN ANTONIO RD, SANTA BARBARA, CA 931101720 (Tel: 9516606079)

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Updated Business Mailing Address September 28, 2019

Registered at 66 S SAN ANTONIO RD, SANTA BARBARA, CA 931101720 (Tel: 8059475175)

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Provider Name / Credentials Updated September 28, 2019

Recorded as JOYCE ZHONG

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Medical Taxonomy / Specialty Registered (Primary Specialty) September 28, 2019

Specialist/Technologist

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Initial NPI Registration & Enumeration September 28, 2019

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1770134975
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 28, 2019
Last Update: January 14, 2026
Deactivation Date: August 21, 2024
Sole Proprietor: No

Mailing Address

1340 Arnold Dr Ste 110

Martinez, CA 945534189

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.