IndividualActive
Alexandra Niiyama
NPI 1003469115 · Behavior Technician · San Jose, CA
Alexandra Niiyama is a Behavior Technician provider in San Jose, CA (NPI 1003469115).
Provider details
- NPI number
- 1003469115
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(59/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
83% 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
800 N 1st St Fl 2
San Jose, CA 95112-6312
Phone: (925) 266-8400
Street-level locationGet directions
Mailing address
2730 Shadelands Dr Bldg 10
Walnut Creek, CA 94598-2538
Registry dates
- Enumerated
- 2019-07-17
- Last updated
- 2026-03-19
- Certified
- 2026-03-19
Frequently asked questions
- What is Alexandra Niiyama's NPI number?
- Alexandra Niiyama's National Provider Identifier (NPI) is 1003469115, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Niiyama's specialty?
- Alexandra Niiyama is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Alexandra Niiyama located?
- Alexandra Niiyama's practice location on file with NPPES is 800 N 1st St Fl 2, San Jose, CA 95112-6312.
- What is Alexandra Niiyama's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Niiyama is (925) 266-8400.
- Is Alexandra Niiyama's NPI active?
- Yes — Alexandra Niiyama's NPI (1003469115) is active in the NPPES registry as of the last update on 2026-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.