IndividualActive
Melissa Lau
NPI 1629839618 · Assistant Behavior Analyst · Orange, CA
Melissa Lau is a Assistant Behavior Analyst provider in Orange, CA (NPI 1629839618).
Provider details
- NPI number
- 1629839618
- Entity type
- Individual
- Primary specialty
- Assistant Behavior AnalystBehavioral 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
1820 W Orangewood Ave
Orange, CA 92868-2043
Phone: (714) 696-2862
Street-level locationGet directions
Mailing address
1820 W Orangewood Ave Ste 110
Orange, CA 92868-5056
Registry dates
- Enumerated
- 2024-01-17
- Last updated
- 2025-01-28
- Certified
- 2025-01-28
Frequently asked questions
- What is Melissa Lau's NPI number?
- Melissa Lau's National Provider Identifier (NPI) is 1629839618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Lau's specialty?
- Melissa Lau is listed in the NPPES registry with a primary specialty of Assistant Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Melissa Lau located?
- Melissa Lau's practice location on file with NPPES is 1820 W Orangewood Ave, Orange, CA 92868-2043.
- What is Melissa Lau's phone number?
- The practice phone number listed in the NPPES registry for Melissa Lau is (714) 696-2862.
- Is Melissa Lau's NPI active?
- Yes — Melissa Lau's NPI (1629839618) is active in the NPPES registry as of the last update on 2025-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.