IndividualActive
Katherine Liu
NPI 1699620203 · Behavior Technician · Downey, CA
Katherine Liu is a Behavior Technician provider in Downey, CA (NPI 1699620203).
Provider details
- NPI number
- 1699620203
- 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
Basic profile(47/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
7827 Florence Ave
Downey, CA 90240-3727
Phone: (310) 374-3300
Fax: (310) 374-3307
Street-level locationGet directions
Mailing address
119 W Torrance Blvd Ste 100
Redondo Beach, CA 90277-3600
Registry dates
- Enumerated
- 2026-02-27
- Last updated
- 2026-02-27
- Certified
- 2026-02-27
Frequently asked questions
- What is Katherine Liu's NPI number?
- Katherine Liu's National Provider Identifier (NPI) is 1699620203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Liu's specialty?
- Katherine Liu is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Katherine Liu located?
- Katherine Liu's practice location on file with NPPES is 7827 Florence Ave, Downey, CA 90240-3727.
- What is Katherine Liu's phone number?
- The practice phone number listed in the NPPES registry for Katherine Liu is (310) 374-3300.
- Is Katherine Liu's NPI active?
- Yes — Katherine Liu's NPI (1699620203) is active in the NPPES registry as of the last update on 2026-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.