Active NPI
Diana Peterson Johnson, LCSW
- School Social Worker
- Sunnyvale, CA
National Provider Identifier
1992137269
On this page
Key facts
NPPES NPI Registry- Primary specialty
- School Social Worker
- License
- 91750
- Practice address
- 450 N Sunnyvale Ave
Sunnyvale, CA 94085-4320 - Phone
- (408) 522-8200
- NPI assigned
- Aug 8, 2013
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | |||
| School Social Worker | 1041S0200X | 91750 | CA | Primary |
Addresses
Primary practice location
450 N Sunnyvale Ave
Sunnyvale, CA 94085-4320
Mailing address
450 N Sunnyvale Ave
Sunnyvale, CA 94085-4320
Phone (408) 522-8200
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 91750 | CA | MD | School Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1375920000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1755820800000",
"number": "1992137269",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "450 N SUNNYVALE AVE",
"city": "SUNNYVALE",
"state": "CA",
"postal_code": "940854320",
"telephone_number": "408-522-8200"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "450 N SUNNYVALE AVE",
"city": "SUNNYVALE",
"state": "CA",
"postal_code": "940854320",
"telephone_number": "408-522-8200"
}
],
"practiceLocations": [],
"basic": {
"last_name": "JOHNSON",
"first_name": "DIANA",
"middle_name": "PETERSON",
"name_prefix": "Mrs.",
"credential": "LCSW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2013-08-08",
"last_updated": "2025-08-22",
"certification_date": "2025-08-22",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": null,
"license": null,
"primary": false
},
{
"code": "1041S0200X",
"taxonomy_group": "",
"desc": "Social Worker, School",
"state": "CA",
"license": "91750",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Sunnyvale, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 22, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.