DR. WILLIAM LOU D.D.S.
NPI 1558537795
Dentist - General Practice in Brea, CA

Q: What is William Lou's NPI number?

The NPI number for William Lou is 1558537795. It was assigned to this individual provider in the NPPES registry on May 7, 2008.

Q: What is William Lou's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for William Lou was last updated on May 7, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.

Active since May 07, 2008

552 E LAMBERT RD, BREA, CA 92821(714) 990-3344(714) 990-4347 Get Directions Write a Review

NPPES record last updated: May 7, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. William Lou D.d.s. NPPES

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

DR. WILLIAM LOU D.D.S. (NPI 1558537795) is an individual general practice provider in Brea, California, licensed in California (DF25582) and active in the NPI registry since May 2008.

NPPES Registry Identity

NPI1558537795

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. WILLIAM LOUCredential: D.D.S.

Location Address552 E LAMBERT RDBrea, CA 92821-4116

Mailing Address552 E Lambert RdBrea, CA 92821 · (714) 990-3344 · Fax (714) 990-4347

Phone(714) 990-3344

Fax(714) 990-4347

Sole ProprietorYes

Enumeration DateMay 7, 2008

✔ NPI 1558537795 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in CA · DF25582

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

552 E LAMBERT RD, Brea, CA 92821

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Other Providers at the Same Location NPPES

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

CATHERINE NGUYEN

Dentist (General Practice)

552 E LAMBERT RD
BREA, CA 92821

Orange County (714) 990-3344

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 Lou's NPI number?

The NPI number for William Lou is 1558537795. It was assigned to this individual provider in the NPPES registry on May 7, 2008.

Where is William Lou located?

William Lou practices at 552 E Lambert Rd, Brea, CA 92821. The listed phone number is (714) 990-3344.

What is William Lou's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for William Lou was last updated on May 7, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.