Diana Au, SLPA
NPI 1518319854 · Speech-Language Pathologist · San Leandro, CA
Diana Au, SLPA is a Speech-Language Pathologist provider in San Leandro, CA (NPI 1518319854).
Provider details
- NPI number
- 1518319854
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- SLPA
- Sex
- Female
- Sole proprietor
- No
- License
- 2257 (CA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
- Counselor101Y00000X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2016-07-11
- Last updated
- 2016-07-18
Frequently asked questions
- What is Diana Au's NPI number?
- Diana Au's National Provider Identifier (NPI) is 1518319854, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Au's specialty?
- Diana Au is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Diana Au located?
- Diana Au's practice location on file with NPPES is 2275 Arlington Dr, San Leandro, CA 94578-1132.
- What is Diana Au's phone number?
- The practice phone number listed in the NPPES registry for Diana Au is (510) 317-1444.
- Is Diana Au's NPI active?
- Yes — Diana Au's NPI (1518319854) is active in the NPPES registry as of the last update on 2016-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.