Vivian Au
NPI 1023393303 · Physical Therapy Assistant · Palo Alto, CA
Vivian Au is a Physical Therapy Assistant provider in Palo Alto, CA (NPI 1023393303).
Provider details
- NPI number
- 1023393303
- Entity type
- Individual
- Primary specialty
- Physical Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 9630 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2011-10-18
- Last updated
- 2018-08-26
Frequently asked questions
- What is Vivian Au's NPI number?
- Vivian Au's National Provider Identifier (NPI) is 1023393303, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivian Au's specialty?
- Vivian Au is listed in the NPPES registry with a primary specialty of Physical Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Vivian Au located?
- Vivian Au's practice location on file with NPPES is 600 Sand Hill Rd, Palo Alto, CA 94304.
- What is Vivian Au's phone number?
- The practice phone number listed in the NPPES registry for Vivian Au is (650) 853-5001.
- Is Vivian Au's NPI active?
- Yes — Vivian Au's NPI (1023393303) is active in the NPPES registry as of the last update on 2018-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.