Active NPI
Risja Hoogstrate, BSW
- School Social Worker
- Oakland, CA
National Provider Identifier
1235852443
On this page
Key facts
NPPES NPI Registry- Primary specialty
- School Social Worker
- License
- 133992
- Practice address
- 1011 Union St
Oakland, CA 94607-2236 - Phone
- (510) 879-8000
- NPI assigned
- Sep 22, 2022
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| School Social Worker | 1041S0200X | 133992 | CA | Primary |
| Community Health Worker | 172V00000X | CA | ||
| Day Training/Habilitation Specialist | 373H00000X |
Addresses
Primary practice location
1011 Union St
Oakland, CA 94607-2236
Mailing address
1011 Union St
Oakland, CA 94607-2236
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 133992 | Other | CA | BBS |
| 0732009666 | Other | VA | VIRGINIA DEPARTMENT OF HEALTH PROFESSIONS |
| 0733008005 | Other | VA | VIRGINIA DEPARTMENT OF HEALTH PROFESSIONS |
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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1663804800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788566400000",
"number": "1235852443",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1011 UNION ST",
"city": "OAKLAND",
"state": "CA",
"postal_code": "946072236"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1011 UNION ST",
"city": "OAKLAND",
"state": "CA",
"postal_code": "946072236",
"telephone_number": "510-879-8000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HOOGSTRATE",
"first_name": "RISJA",
"credential": "BSW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2022-09-22",
"last_updated": "2026-09-05",
"certification_date": "2026-09-05",
"status": "A"
},
"taxonomies": [
{
"code": "1041S0200X",
"taxonomy_group": "",
"desc": "Social Worker, School",
"state": "CA",
"license": "133992",
"primary": true
},
{
"code": "172V00000X",
"taxonomy_group": "",
"desc": "Community Health Worker",
"state": "CA",
"license": null,
"primary": false
},
{
"code": "373H00000X",
"taxonomy_group": "",
"desc": "Day Training/Habilitation Specialist",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BBS",
"identifier": "133992",
"state": "CA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "VIRGINIA DEPARTMENT OF HEALTH PROFESSIONS",
"identifier": "0732009666",
"state": "VA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "VIRGINIA DEPARTMENT OF HEALTH PROFESSIONS",
"identifier": "0733008005",
"state": "VA"
}
],
"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 Sep 5, 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.