IndividualActive
Helen Dao
NPI 1891478764 · Behavior Technician · Hayward, CA
Helen Dao is a Behavior Technician provider in Hayward, CA (NPI 1891478764).
Provider details
- NPI number
- 1891478764
- 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(51/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
1290 B St Ste 120
Hayward, CA 94541-2952
Phone: (877) 264-6747
Street-level locationGet directions
Mailing address
295 89th St Ste 306
Daly City, CA 94015-1656
Registry dates
- Enumerated
- 2023-08-08
- Last updated
- 2023-08-08
- Certified
- 2023-08-08
Frequently asked questions
- What is Helen Dao's NPI number?
- Helen Dao's National Provider Identifier (NPI) is 1891478764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helen Dao's specialty?
- Helen Dao is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Helen Dao located?
- Helen Dao's practice location on file with NPPES is 1290 B St Ste 120, Hayward, CA 94541-2952.
- What is Helen Dao's phone number?
- The practice phone number listed in the NPPES registry for Helen Dao is (877) 264-6747.
- Is Helen Dao's NPI active?
- Yes — Helen Dao's NPI (1891478764) is active in the NPPES registry as of the last update on 2023-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.