IndividualActive
Marjorie Leung
NPI 1225720550 · Behavior Technician · Castro Valley, CA
Marjorie Leung is a Behavior Technician provider in Castro Valley, CA (NPI 1225720550).
Provider details
- NPI number
- 1225720550
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(52/100 index)
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
2484 Riffel Ct
Castro Valley, CA 94546-5256
Phone: (510) 541-8215
Street-level locationGet directions
Mailing address
1880 Fairway Dr
San Leandro, CA 94577-5629
Registry dates
- Enumerated
- 2023-05-24
- Last updated
- 2023-05-24
- Certified
- 2023-05-24
Frequently asked questions
- What is Marjorie Leung's NPI number?
- Marjorie Leung's National Provider Identifier (NPI) is 1225720550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marjorie Leung's specialty?
- Marjorie Leung is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Marjorie Leung located?
- Marjorie Leung's practice location on file with NPPES is 2484 Riffel Ct, Castro Valley, CA 94546-5256.
- What is Marjorie Leung's phone number?
- The practice phone number listed in the NPPES registry for Marjorie Leung is (510) 541-8215.
- Is Marjorie Leung's NPI active?
- Yes — Marjorie Leung's NPI (1225720550) is active in the NPPES registry as of the last update on 2023-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.