Active NPI
Vivian Diaz
- Doula
- Ontario, CA
National Provider Identifier
1245149046
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Doula
- Practice address
- 1025 W 5TH St
Ontario, CA 91762-1524 - Phone
- (909) 510-7989
- NPI assigned
- Sep 5, 2026
- Sex
- Female
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Doula | 374J00000X | Primary |
Addresses
Primary practice location
1025 W 5TH St
Ontario, CA 91762-1524
Mailing address
1025 W 5TH St
Ontario, CA 91762-1524
Phone (909) 510-7989
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1788566400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788566400000",
"number": "1245149046",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1025 W 5TH ST",
"city": "ONTARIO",
"state": "CA",
"postal_code": "917621524",
"telephone_number": "909-510-7989"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1025 W 5TH ST",
"city": "ONTARIO",
"state": "CA",
"postal_code": "917621524",
"telephone_number": "909-510-7989"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DIAZ",
"first_name": "VIVIAN",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2026-09-05",
"last_updated": "2026-09-05",
"certification_date": "2026-09-05",
"status": "A"
},
"taxonomies": [
{
"code": "374J00000X",
"taxonomy_group": "",
"desc": "Doula",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Ontario, 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.