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William Chen, LAC
NPI 1417013939 · Acupuncturist · San Mateo, CA
William Chen, LAC is a Acupuncturist provider in San Mateo, CA (NPI 1417013939).
Provider details
- NPI number
- 1417013939
- Entity type
- Individual
- Primary specialty
- AcupuncturistOther Service Providers
- Credential
- LAC
- Sex
- Male
- Sole proprietor
- Yes
- License
- AC9853 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(90/100 index)
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
30 S El Camino Real
#111
San Mateo, CA 94401-3839
Phone: (650) 235-6761
Fax: (650) 685-8081
Street-level locationGet directions
Mailing address
1220 Sixth Ave
Belmont, CA 94002-3899
Registry dates
- Enumerated
- 2006-12-29
- Last updated
- 2012-03-05
Frequently asked questions
- What is William Chen's NPI number?
- William Chen's National Provider Identifier (NPI) is 1417013939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Chen's specialty?
- William Chen is listed in the NPPES registry with a primary specialty of Acupuncturist (Other Service Providers).
- Where is William Chen located?
- William Chen's practice location on file with NPPES is 30 S El Camino Real, San Mateo, CA 94401-3839.
- What is William Chen's phone number?
- The practice phone number listed in the NPPES registry for William Chen is (650) 235-6761.
- Is William Chen's NPI active?
- Yes — William Chen's NPI (1417013939) is active in the NPPES registry as of the last update on 2012-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.