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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WILLIAM S LEE DDS
NPI 1669065108
Dentist - Pediatric Dentistry in Granada Hills, CA

Active since February 16, 2021
18121 CHATSWORTH ST STE A, GRANADA HILLS, CA 91344(818) 360-2131 Get Directions Write a Review

NPPES record last updated: August 30, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Aug 30, 2026, Aug 14, 2025, Feb 16, 2021 (3 updates tracked since 2021).

About William S Lee Dds NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM S LEE DDS (NPI 1669065108) is an individual pediatric dentistry provider in Granada Hills, California, licensed in California (111901) and active in the NPI registry since February 2021. He maintains 3 additional practice locations.

NPPES Registry Identity

NPI1669065108
Entity TypeIndividualMale
Primary Taxonomy1223P0221X
Provider Legal NameWILLIAM S LEECredential: DDS
Location Address18121 CHATSWORTH ST STE AGranada Hills, CA 91344-5610
Mailing Address1409 S Westgate Ave Apt 301Los Angeles, CA 90025-2236 · (443) 797-2720
Phone(818) 360-2131
Sole ProprietorNo
Enumeration DateFebruary 16, 2021
Last NPPES UpdateAugust 30, 20263 updates tracked since enumeration
NPPES CertifiedAugust 30, 2026
✔ NPI 1669065108 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · Pediatric DentistryDental Providers
Taxonomy Code1223P0221X
License✔ Licensed in CA · 111901
Definition
An age-defined specialty that provides both primary and comprehensive preventive and therapeutic oral health care for infants and children through adolescence, including those with special health care needs.
18121 CHATSWORTH ST STE A, Granada Hills, CA 91344
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Secondary Practice Locations 3

Location 1310 S Lake Ave Ste B1Pasadena, CA 91101-3540 · Phone (626) 669-3141
Location 23580 Grand Ave Ste KChino Hills, CA 91709-5401 · Phone (909) 548-6900
Location 320933 Devonshire St Ste 103Chatsworth, CA 91311-2393 · Phone (818) 739-0182

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and more.Insurance ›

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TENGFEI SU
Dentist
18121 CHATSWORTH ST STE A
GRANADA HILLS, CA 91344
Los Angeles County (818) 360-2131

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Lee's NPI number?

The NPI number for William Lee is 1669065108. It was assigned to this individual provider in the NPPES registry on February 16, 2021.

Where is William Lee located?

William Lee practices at 18121 Chatsworth St Ste A, Granada Hills, CA 91344. The listed phone number is (818) 360-2131.

What is William Lee's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Pediatric Dentistry, with taxonomy code 1223P0221X.

What insurance does William Lee accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas, Florida Combined Life and Humana and 1 other insurer list William Lee as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Lee was last updated on August 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.