William Lou, DDS
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2008
- Practice address
- 552 E Lambert Rd, Brea, CA 92821
- Practice phone
- Call (714) 990-3344
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Catherine Nguyen
Physician office · Brea, California
Find William Lou's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
William Lou is a general practice dentistry in Brea, California
William Lou practices at Catherine Nguyen in Brea, California.
William Lou's NPI, 1558537795, was assigned on May 7, 2008. William Lou holds California license DF25582.
- NPI
- 1558537795NPI Registry (opens in a new tab)
- NPI enumeration date
- May 7, 2008
- NPI status
- Active
- Practice phone
- (714) 990-3344
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
William Lou practices at Catherine Nguyen in Brea, California
William Lou's primary practice is Catherine Nguyen, at 552 E Lambert Rd, Brea, CA 92821. The practice phone is (714) 990-3344.
- Catherine Nguyen552 E Lambert Rd, Brea, CA 92821Phone(714) 990-3344
Source: Dmand AI Affiliation Data
William Lou is affiliated with 1 site of care
William Lou's primary practice is Catherine Nguyen in Brea, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William Lou's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Lou practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Catherine Nguyen | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
William Lou is one of 7,627 general practice dentistrys in California
General practice is William Lou's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. William Lou is licensed in California.
Specialties and state licenses
- General practice dentistry, CaliforniaPrimary
General practice dentistrys near William Lou
Counts of general practice dentistrys with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Sources for William Lou's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William Lou
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Lou's NPI number?
William Lou's NPI number is 1558537795. It was assigned on May 7, 2008, and it is active in the NPI Registry.
What does William Lou specialize in?
William Lou is a general practice dentistry in Brea, California. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does William Lou practice?
William Lou practices at 552 E Lambert Rd, Brea, CA 92821. William Lou's primary practice is Catherine Nguyen in Brea, California.
What is William Lou's office phone number?
The practice phone on file for William Lou is (714) 990-3344.
What is William Lou's medical license number?
William Lou holds California license DF25582.
How long has William Lou been practicing?
William Lou's NPI was assigned in 2008.
Selling to general practice practices?
See general practice dentistrys in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card