JOSIAH DAVID COX MD
NPI 1891292082
Psychiatry & Neurology - Child & Adolescent Psychiatry in Oakland, CA

Q: What is Josiah Cox's NPI number?

The NPI number for Josiah Cox is 1891292082. It was assigned to this individual provider in the NPPES registry on April 12, 2018.

Q: What is Josiah Cox's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Q: When was this NPI record last updated?

The NPPES record for Josiah Cox was last updated on October 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since April 12, 2018PECOS Enrolled

5275 CLAREMONT AVE, OAKLAND, CA 94618(510) 428-3571(510) 597-7171 Get Directions Write a Review

NPPES record last updated: October 27, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 11, 2022, Apr 12, 2018 (2 updates tracked since 2018).

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About Josiah David Cox Md NPPES

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

JOSIAH DAVID COX MD (NPI 1891292082) is an individual child & adolescent psychiatry provider in Oakland, California, licensed in California (186172) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891292082

Entity TypeIndividualMale

Primary Taxonomy2084P0804X

Provider Legal NameJOSIAH DAVID COXCredential: MD

Location Address5275 CLAREMONT AVEOakland, CA 94618-1032

Mailing Address5275 Claremont AveOakland, CA 94618-1032 · (510) 428-3571 · Fax (510) 597-7171

Phone(510) 428-3571

Fax(510) 597-7171

Sole ProprietorNo

Enumeration DateApril 12, 2018

Last NPPES UpdateOctober 27, 20252 updates tracked since enumeration

NPPES CertifiedOctober 27, 2025

✔ NPI 1891292082 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0804X

License✔ Licensed in CA · 186172

Definition

Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

5275 CLAREMONT AVE, Oakland, CA 94618

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Josiah David Cox Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

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

CHIZITE CHIMA IGWE

Counselor

5275 CLAREMONT AVE
OAKLAND, CA 94618

Alameda County (510) 428-3885

MATTHEW MENDEZ

Licensed Psychiatric Technician

5275 CLAREMONT AVE
OAKLAND, CA 94618

Alameda County (510) 428-3000

CHILDREN'S HOSPITAL AND RESEARCH CENTER-OAKLAND

General Acute Care Hospital (Children)

5275 CLAREMONT AVE, CENTER FOR THE VULNERABLE CHILD
OAKLAND, CA 94618

Alameda County (510) 428-3885

DIANA MANDUJANO LMFT

Marriage & Family Therapist

5275 CLAREMONT AVE
OAKLAND, CA 94618

Alameda County (510) 428-3000

MS. RACHEL LEIGH WILSON M.S.W.

Social Worker (Clinical)

5275 CLAREMONT AVE
OAKLAND, CA 94618

Alameda County (510) 428-3885

DR. DAVID HOSKINS PSY.D, M.A.S.

Psychologist

5275 CLAREMONT AVE
OAKLAND, CA 94618

Alameda County (510) 428-3160

LOURDES MARIE GARCIA

Social Worker (Clinical)

5275 CLAREMONT AVE
OAKLAND, CA 94618

Alameda County (510) 428-3000

JILL MILLER PSY.D

Psychologist (Clinical Child & Adolescent)

5275 CLAREMONT AVE, CENTER FOR THE VULNERABLE CHILD
OAKLAND, CA 94618

Alameda County (510) 428-3885

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 Josiah Cox's NPI number?

The NPI number for Josiah Cox is 1891292082. It was assigned to this individual provider in the NPPES registry on April 12, 2018.

Where is Josiah Cox located?

Josiah Cox practices at 5275 Claremont Ave, Oakland, CA 94618. The listed phone number is (510) 428-3571.

What is Josiah Cox's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Josiah Cox enrolled in Medicare?

Yes. Josiah Cox is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Josiah Cox was last updated on October 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.