Active NPI
William S Lee, DDS
- Pediatric Dentistry
- Granada Hills, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Dentistry
- License
- 111901
- Practice address
- 18121 Chatsworth St Ste a
Granada Hills, CA 91344-5610 - Phone
- (818) 360-2131
- NPI assigned
- Feb 16, 2021
- Last updated
- Aug 30, 2026
- 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 |
|---|---|---|---|---|
| Pediatric Dentistry | 1223P0221X | 111901 | CA | Primary |
Addresses
Primary practice location
18121 Chatsworth St Ste a
Granada Hills, CA 91344-5610
Mailing address
1409 S Westgate Ave Apt 301
Los Angeles, CA 90025-2236
Phone (443) 797-2720
Other practice location 1
20933 Devonshire St Ste 103
Chatsworth, CA 91311-2393
Phone (818) 739-0182
Other practice location 2
3580 Grand Ave Ste K
Chino Hills, CA 91709-5401
Phone (909) 548-6900
Other practice location 3
310 S Lake Ave Ste B1
Pasadena, CA 91101-3540
Phone (626) 669-3141
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
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Kohanzadeh Dental Corp | Past | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1613433600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788048000000",
"number": "1669065108",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1409 S WESTGATE AVE APT 301",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900252236",
"telephone_number": "443-797-2720"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "18121 CHATSWORTH ST STE A",
"city": "GRANADA HILLS",
"state": "CA",
"postal_code": "913445610",
"telephone_number": "818-360-2131"
}
],
"practiceLocations": [
{
"address_1": "20933 Devonshire St Ste 103",
"address_purpose": "LOCATION",
"city": "Chatsworth",
"state": "CA",
"postal_code": "913112393",
"country_code": "US",
"telephone_number": "818-739-0182",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "3580 Grand Ave Ste K",
"address_purpose": "LOCATION",
"city": "Chino Hills",
"state": "CA",
"postal_code": "917095401",
"country_code": "US",
"telephone_number": "909-548-6900",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "310 S Lake Ave Ste B1",
"address_purpose": "LOCATION",
"city": "Pasadena",
"state": "CA",
"postal_code": "911013540",
"country_code": "US",
"telephone_number": "626-669-3141",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "LEE",
"first_name": "WILLIAM",
"middle_name": "S",
"credential": "DDS",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2021-02-16",
"last_updated": "2026-08-30",
"certification_date": "2026-08-30",
"status": "A"
},
"taxonomies": [
{
"code": "1223P0221X",
"taxonomy_group": "",
"desc": "Dentist, Pediatric Dentistry",
"state": "CA",
"license": "111901",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Granada Hills, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 30, 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.