IndividualActive
William Lou, D.D.S.
NPI 1558537795 · General Practice Dentistry · Brea, CA
William Lou, D.D.S. is a General Practice Dentistry provider in Brea, CA (NPI 1558537795).
Provider details
- NPI number
- 1558537795
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- DF25582 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
552 E Lambert Rd
Brea, CA 92821-4116
Phone: (714) 990-3344
Fax: (714) 990-4347
Street-level locationGet directions
Mailing address
552 E Lambert Rd
Brea, CA 92821
Registry dates
- Enumerated
- 2008-05-07
- Last updated
- 2008-05-07
Frequently asked questions
- What is William Lou's NPI number?
- William Lou's National Provider Identifier (NPI) is 1558537795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Lou's specialty?
- William Lou is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is William Lou located?
- William Lou's practice location on file with NPPES is 552 E Lambert Rd, Brea, CA 92821-4116.
- What is William Lou's phone number?
- The practice phone number listed in the NPPES registry for William Lou is (714) 990-3344.
- Is William Lou's NPI active?
- Yes — William Lou's NPI (1558537795) is active in the NPPES registry as of the last update on 2008-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.