Melissa Liu
NPI 1639879992 · Behavior Technician · South San Francisco, CA
Melissa Liu is a Behavior Technician provider in South San Francisco, CA (NPI 1639879992).
Provider details
- NPI number
- 1639879992
- 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
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
Mailing address
Registry dates
- Enumerated
- 2023-03-06
- Last updated
- 2023-03-06
- Certified
- 2023-03-06
Frequently asked questions
- What is Melissa Liu's NPI number?
- Melissa Liu's National Provider Identifier (NPI) is 1639879992, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Liu's specialty?
- Melissa Liu is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Melissa Liu located?
- Melissa Liu's practice location on file with NPPES is 611 Gateway Blvd Ste 120, South San Francisco, CA 94080-7066.
- What is Melissa Liu's phone number?
- The practice phone number listed in the NPPES registry for Melissa Liu is (408) 000-0000.
- Is Melissa Liu's NPI active?
- Yes — Melissa Liu's NPI (1639879992) is active in the NPPES registry as of the last update on 2023-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.