Josiah Cox, MD
NPI 1891292082 · Child & Adolescent Psychiatry Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Josiah Cox, MD is a Child & Adolescent Psychiatry Physician provider in Oakland, CA (NPI 1891292082).
Provider details
- NPI number
- 1891292082
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 186172 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-12
- Last updated
- 2025-10-27
- Certified
- 2025-10-27
Frequently asked questions
- What is Josiah Cox's NPI number?
- Josiah Cox's National Provider Identifier (NPI) is 1891292082, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Josiah Cox's specialty?
- Josiah Cox is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Josiah Cox located?
- Josiah Cox's practice location on file with NPPES is 5275 Claremont Ave, Oakland, CA 94618-1032.
- What is Josiah Cox's phone number?
- The practice phone number listed in the NPPES registry for Josiah Cox is (510) 428-3571.
- Does Josiah Cox accept Medicare?
- Josiah Cox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Josiah Cox's NPI active?
- Yes — Josiah Cox's NPI (1891292082) is active in the NPPES registry as of the last update on 2025-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.