Active NPI
Catherine Drew, DA, OS,
- Dental Assistant
- Ontario, CA
National Provider Identifier
1740511245
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Dental Assistant
- License
- 2242013
- Practice address
- 251 El Derberry Ave
16
Ontario, CA 91762 - Phone
- (909) 242-8276
- NPI assigned
- Jan 22, 2010
- Last updated
- Sep 29, 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 |
|---|---|---|---|---|
| Dental Assistant | 126800000X | 2242013 | CA | Primary |
Addresses
Primary practice location
251 El Derberry Ave
16
Ontario, CA 91762
Mailing address
251 El Derberry Ave
16
Ontario, CA 91762
Phone (909) 242-8276
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 |
|---|---|---|---|
| 2242013 | CA | MD | Dental Assistant |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1264118400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1790640000000",
"number": "1740511245",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "251 EL DERBERRY AVE",
"address_2": "16",
"city": "ONTARIO",
"state": "CA",
"postal_code": "91762",
"telephone_number": "909-242-8276"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "251 EL DERBERRY AVE",
"address_2": "16",
"city": "ONTARIO",
"state": "CA",
"postal_code": "91762",
"telephone_number": "909-242-8276"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DREW",
"first_name": "CATHERINE",
"name_prefix": "Ms.",
"credential": "DA, OS,",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2010-01-22",
"last_updated": "2026-09-29",
"status": "A"
},
"taxonomies": [
{
"code": "126800000X",
"taxonomy_group": "",
"desc": "Dental Assistant",
"state": "CA",
"license": "2242013",
"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 29, 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.