Active NPI
Calvin Chan, OD
- Optometrist
- Los Angeles, CA
National Provider Identifier
1639067457
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Optometrist
- License
- OPT35953-TLG
- Practice address
- 833 S Western Ave Ste 2
Los Angeles, CA 90005-3376 - Phone
- (213) 384-1001
- NPI assigned
- Jun 27, 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 | OPT35953-TLG | CA | Primary |
Addresses
Primary practice location
833 S Western Ave Ste 2
Los Angeles, CA 90005-3376
Mailing address
408 W Hammel St
Monterey Park, CA 91754-7132
Phone (626) 807-2268
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 |
|---|---|---|---|
| OPT35953-TLG | CA | MD | Optometrist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Gold Optometry Inc. | Optometrist | Past | Accepting new patients |
| Gold Optometry Inc. | Optometrist | Past | Accepting new patients |
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1750982400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1751760000000",
"number": "1639067457",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "408 W HAMMEL ST",
"city": "MONTEREY PARK",
"state": "CA",
"postal_code": "917547132",
"telephone_number": "626-807-2268"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "833 S WESTERN AVE STE 2",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900053376",
"telephone_number": "213-384-1001"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CHAN",
"first_name": "CALVIN",
"credential": "OD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2025-06-27",
"last_updated": "2025-07-06",
"certification_date": "2025-07-06",
"status": "A"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "CA",
"license": "OPT35953-TLG",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Los Angeles, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 6, 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.