William Hang, DDS, MSD
NPI 1003983149 · Orthodontics and Dentofacial Orthopedics Dentistry · Westlake Village, CA
William Hang, DDS, MSD is a Orthodontics and Dentofacial Orthopedics Dentistry provider in Westlake Village, CA (NPI 1003983149).
Provider details
- NPI number
- 1003983149
- Entity type
- Individual
- Primary specialty
- Orthodontics and Dentofacial Orthopedics DentistryDental Providers
- Credential
- DDS, MSD
- Sex
- Male
- Sole proprietor
- No
- License
- 39271 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Mailing address
Registry dates
- Enumerated
- 2006-11-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Hang's NPI number?
- William Hang's National Provider Identifier (NPI) is 1003983149, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Hang's specialty?
- William Hang is listed in the NPPES registry with a primary specialty of Orthodontics and Dentofacial Orthopedics Dentistry (Dental Providers).
- Where is William Hang located?
- William Hang's practice location on file with NPPES is 101 N Westlake Blvd, Westlake Village, CA 91362-3753.
- What is William Hang's phone number?
- The practice phone number listed in the NPPES registry for William Hang is (805) 374-9377.
- Is William Hang's NPI active?
- Yes — William Hang's NPI (1003983149) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.