Active NPI
Francisco C Piedra
- Community Health Worker
- Fairfield, CA
National Provider Identifier
1588236392
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Community Health Worker
- Practice address
- 275 Beck Ave
Fairfield, CA 94533-6804 - Phone
- (707) 553-5557
- NPI assigned
- Jul 12, 2021
- Last updated
- Sep 18, 2025
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Adult Companion | 372600000X | CA | ||
| Community Health Worker | 172V00000X | NU | Primary |
Addresses
Primary practice location
275 Beck Ave
Fairfield, CA 94533-6804
Mailing address
355 Tuolumne St Ste 20-210
Vallejo, CA 94590-5700
Phone (707) 386-2160
Other names 1
- Francisco C Castanon
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": "1626048000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1758153600000",
"number": "1588236392",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "355 TUOLUMNE ST STE 20-210",
"city": "VALLEJO",
"state": "CA",
"postal_code": "945905700",
"telephone_number": "707-386-2160"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "275 BECK AVE",
"city": "FAIRFIELD",
"state": "CA",
"postal_code": "945336804",
"telephone_number": "707-553-5557"
}
],
"practiceLocations": [],
"basic": {
"last_name": "PIEDRA",
"first_name": "FRANCISCO",
"middle_name": "C",
"name_prefix": "Mr.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2021-07-12",
"last_updated": "2025-09-18",
"certification_date": "2025-09-18",
"status": "A"
},
"taxonomies": [
{
"code": "372600000X",
"taxonomy_group": "",
"desc": "Adult Companion",
"state": "CA",
"license": null,
"primary": false
},
{
"code": "172V00000X",
"taxonomy_group": "",
"desc": "Community Health Worker",
"state": "NU",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "FRANCISCO",
"last_name": "CASTANON",
"middle_name": "C",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Fairfield, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 18, 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.