Active NPI
Ariel Upson
- Peer Specialist
- San Jose, CA
National Provider Identifier
1144949173
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Peer Specialist
- License
- MPSS-ZBTQFX
- Practice address
- 425 E Santa Clara St
San Jose, CA 95113-1936 - Phone
- (669) 245-3429
- NPI assigned
- Aug 23, 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Mental Health Counselor | 101YM0800X | |||
| Case Manager/Care Coordinator | 171M00000X | |||
| Rehabilitation Practitioner | 225400000X | |||
| Peer Specialist | 175T00000X | MPSS-ZBTQFX | CA | Primary |
Addresses
Primary practice location
425 E Santa Clara St
San Jose, CA 95113-1936
Mailing address
425 E Santa Clara St
San Jose, CA 95113-1936
Phone (669) 245-3429
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 |
|---|---|---|---|
| MPSS-ZBTQFX | CA | MD | Peer Specialist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1661212800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1750723200000",
"number": "1144949173",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "425 E SANTA CLARA ST",
"city": "SAN JOSE",
"state": "CA",
"postal_code": "951131936",
"telephone_number": "669-245-3429"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "425 E SANTA CLARA ST",
"city": "SAN JOSE",
"state": "CA",
"postal_code": "951131936",
"telephone_number": "669-245-3429"
}
],
"practiceLocations": [],
"basic": {
"last_name": "UPSON",
"first_name": "ARIEL",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2022-08-23",
"last_updated": "2025-06-24",
"certification_date": "2025-06-24",
"status": "A"
},
"taxonomies": [
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": null,
"license": null,
"primary": false
},
{
"code": "171M00000X",
"taxonomy_group": "",
"desc": "Case Manager/Care Coordinator",
"state": null,
"license": null,
"primary": false
},
{
"code": "225400000X",
"taxonomy_group": "",
"desc": "Rehabilitation Practitioner",
"state": null,
"license": null,
"primary": false
},
{
"code": "175T00000X",
"taxonomy_group": "",
"desc": "Peer Specialist",
"state": "CA",
"license": "MPSS-ZBTQFX",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in San Jose, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 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.