Active NPI
Ryan Matthew Kobayashi, OD
- Optometrist
- Lakewood, CA
National Provider Identifier
1679467229
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Optometrist
- License
- 36362
- Practice address
- 5750 Downey Ave
Lakewood, CA 90712-1405 - Phone
- (310) 575-0564
- NPI assigned
- Jun 6, 2025
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Optometrist | 152W00000X | 36362 | CA | Primary |
Addresses
Primary practice location
5750 Downey Ave
Lakewood, CA 90712-1405
Mailing address
2237 Via Guadalana
Palos Verdes Estates, CA 90274-1617
Phone (310) 594-0360
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 |
|---|---|---|---|
| OPT-002894 | AZ | MD | Optometrist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1749168000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788480000000",
"number": "1679467229",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2237 VIA GUADALANA",
"city": "PALOS VERDES ESTATES",
"state": "CA",
"postal_code": "902741617",
"telephone_number": "310-594-0360"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5750 DOWNEY AVE",
"city": "LAKEWOOD",
"state": "CA",
"postal_code": "907121405",
"telephone_number": "310-575-0564"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KOBAYASHI",
"first_name": "RYAN",
"middle_name": "MATTHEW",
"credential": "OD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2025-06-06",
"last_updated": "2026-09-04",
"certification_date": "2026-09-04",
"status": "A"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "CA",
"license": "36362",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Lakewood, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 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.