OrganizationActive
Diane Au, L.ac.
NPI 1962826891 · Acupuncturist · San Mateo, CA
Diane Au, L.ac. is a Acupuncturist organization in San Mateo, CA (NPI 1962826891).
Provider details
- NPI number
- 1962826891
- Entity type
- Organization
- Primary specialty
- AcupuncturistOther Service Providers
- Organization subpart
- No
- Authorized official
- Diane Au, Owner/Acupuncturist(408) 833-0353
- License
- AC15243 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
214 De Anza Blvd
San Mateo, CA 94402-3913
Phone: (650) 574-1456
Fax: (650) 574-1007
Street-level locationGet directions
Mailing address
214 De Anza Blvd
San Mateo, CA 94402-3913
Registry dates
- Enumerated
- 2014-02-12
- Last updated
- 2014-02-12
Frequently asked questions
- What is Diane Au, L.ac.'s NPI number?
- Diane Au, L.ac.'s National Provider Identifier (NPI) is 1962826891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Diane Au, L.ac.?
- Diane Au, L.ac. is classified in the NPPES registry as Acupuncturist (Other Service Providers).
- Where is Diane Au, L.ac. located?
- Diane Au, L.ac.'s practice location on file with NPPES is 214 De Anza Blvd, San Mateo, CA 94402-3913.
- What is Diane Au, L.ac.'s phone number?
- The practice phone number listed in the NPPES registry for Diane Au, L.ac. is (650) 574-1456.
- Who is the authorized official for Diane Au, L.ac.?
- The authorized official listed on Diane Au, L.ac.'s NPPES record is Diane Au, Owner/Acupuncturist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Diane Au, L.ac.'s NPI active?
- Yes — Diane Au, L.ac.'s NPI (1962826891) is active in the NPPES registry as of the last update on 2014-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.