Active NPI
Josiah David Cox, MD
- Child & Adolescent Psychiatry Physician
- Oakland, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Child & Adolescent Psychiatry Physician
- License
- 186172
- Practice address
- 5275 Claremont Ave
Oakland, CA 94618-1032 - Phone
- (510) 428-3571
- Fax
- (510) 597-7171
- NPI assigned
- Apr 12, 2018
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Child & Adolescent Psychiatry Physician | 2084P0804X | 186172 | CA | Primary |
Addresses
Primary practice location
5275 Claremont Ave
Oakland, CA 94618-1032
Mailing address
5275 Claremont Ave
Oakland, CA 94618-1032
Phone (510) 428-3571
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 186172 | CA | MD | Child & Adolescent Psychiatry Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| UCSF Medical Group Business Services | Current | Accepting new patients | |
| University of California San Francisco | Current | Accepting new patients | |
| UCSF Psychiatry | Psychiatry | Current | Accepting new patients |
| University of California San Francisco | Current | Accepting new patients | |
| University of California San Francisco | Current | Accepting new patients | |
| UCSF Medical Group Business Services | Current | Accepting new patients |
Locations
5275 Claremont Ave
Oakland, CA 94618
Phone (510) 428-3050
747 52nd St
Oakland, CA 94609
Phone (510) 428-3070
401 Parnassus Ave
#984
San Francisco, CA 94143
Phone (415) 476-7527
2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444
675 18th St
Ste PB5250
San Francisco, CA 94143
401 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-7500
2001 The Embarcadero
Ofc Of
San Francisco, CA 94143
Phone (628) 224-5503
675 18th St
San Francisco, CA 94143
Phone (415) 476-7527
400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000
Interoperability endpoints
- jcox309003@direct-ucsfmedicalcenter.org
- josiah.cox.1@11331.direct.athenahealth.com
Organizations & group practices 6
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- San Francisco, CA
- NPI 1477624104
-
- Pediatrics Physician
- San Francisco, CA
- NPI 1861578973
-
- Health Service Clinic/Center
- San Francisco, CA
- NPI 1194115246
-
- Psychiatry Physician
- San Francisco, CA
- NPI 1427105279
-
- Surgery Physician
- San Francisco, CA
- NPI 1346329380
-
- Community/Retail Pharmacy
- San Francisco, CA
- NPI 1659141711
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1523491200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1761523200000",
"number": "1891292082",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5275 CLAREMONT AVE",
"city": "OAKLAND",
"state": "CA",
"postal_code": "946181032",
"telephone_number": "510-428-3571",
"fax_number": "510-597-7171"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5275 CLAREMONT AVE",
"city": "OAKLAND",
"state": "CA",
"postal_code": "946181032",
"telephone_number": "510-428-3571",
"fax_number": "510-597-7171"
}
],
"practiceLocations": [],
"basic": {
"last_name": "COX",
"first_name": "JOSIAH",
"middle_name": "DAVID",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-04-12",
"last_updated": "2025-10-27",
"certification_date": "2025-10-27",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0804X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
"state": "CA",
"license": "186172",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Oakland, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 27, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.