Active NPI
David Ierston-Brown
- Optometrist
- Chula Vista, CA
National Provider Identifier
1043105315
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Optometrist
- License
- 35992
- Practice address
- 342 F St
Chula Vista, CA 91910-2625 - Phone
- (619) 422-1471
- NPI assigned
- Jun 9, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Optometrist | 152W00000X | 35992 | CA | Primary |
Addresses
Primary practice location
342 F St
Chula Vista, CA 91910-2625
Mailing address
342 F St
Chula Vista, CA 91910-2625
Phone (619) 422-1471
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": "1749427200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1781654400000",
"number": "1043105315",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "342 F ST",
"city": "CHULA VISTA",
"state": "CA",
"postal_code": "919102625",
"telephone_number": "619-422-1471"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "342 F ST",
"city": "CHULA VISTA",
"state": "CA",
"postal_code": "919102625",
"telephone_number": "619-422-1471"
}
],
"practiceLocations": [],
"basic": {
"last_name": "IERSTON-BROWN",
"first_name": "DAVID",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2025-06-09",
"last_updated": "2026-06-17",
"certification_date": "2026-06-17",
"status": "A"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "CA",
"license": "35992",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Chula Vista, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 17, 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.