Active NPI
James Philip Riddel Jr., RN, MS, CPNP
- Nurse Practitioner
- Oakland, CA
National Provider Identifier
1942200928
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nurse Practitioner
- License
- RN478430 NP9272
- Practice address
- 747 52ND St
Oakland, CA 94609-1809 - Phone
- (510) 428-3853
- NPI assigned
- Jul 29, 2005
- 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 |
|---|---|---|---|---|
| Nurse Practitioner | 363L00000X | RN478430 NP9272 | CA | Primary |
Addresses
Primary practice location
747 52ND St
Oakland, CA 94609-1809
Mailing address
290 Vernon St
Oakland, CA 94610-4131
Phone (510) 451-3818
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| NP0092720 | Other | CA | MEDI-CAL PROVIDER |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Certified Pediatric Nurse Practitioner, Master of Science, Registered Nurse
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| RN478430 NP9272 | CA | MD | Nurse Practitioner |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1122595200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1942200928",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "290 VERNON ST",
"city": "OAKLAND",
"state": "CA",
"postal_code": "946104131",
"telephone_number": "510-451-3818"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "747 52ND ST",
"city": "OAKLAND",
"state": "CA",
"postal_code": "946091809",
"telephone_number": "510-428-3853"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RIDDEL",
"first_name": "JAMES",
"middle_name": "PHILIP",
"name_prefix": "Mr.",
"name_suffix": "Jr.",
"credential": "RN, MS, CPNP",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-07-29",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "363L00000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner",
"state": "CA",
"license": "RN478430 NP9272",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MEDI-CAL PROVIDER",
"identifier": "NP0092720",
"state": "CA"
}
],
"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 Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.