IndividualActive
Madelyn Leff
NPI 1760275010 · Behavior Technician · Torrance, CA
Madelyn Leff is a Behavior Technician provider in Torrance, CA (NPI 1760275010).
Provider details
- NPI number
- 1760275010
- 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(48/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
23740 Hawthorne Blvd Ste 104
Torrance, CA 90505-8206
Phone: (855) 223-7123
Street-level locationGet directions
Mailing address
Po Box 33568
San Diego, CA 92163-3568
Registry dates
- Enumerated
- 2025-05-28
- Last updated
- 2025-05-28
- Certified
- 2025-05-28
Frequently asked questions
- What is Madelyn Leff's NPI number?
- Madelyn Leff's National Provider Identifier (NPI) is 1760275010, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Madelyn Leff's specialty?
- Madelyn Leff is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Madelyn Leff located?
- Madelyn Leff's practice location on file with NPPES is 23740 Hawthorne Blvd Ste 104, Torrance, CA 90505-8206.
- What is Madelyn Leff's phone number?
- The practice phone number listed in the NPPES registry for Madelyn Leff is (855) 223-7123.
- Is Madelyn Leff's NPI active?
- Yes — Madelyn Leff's NPI (1760275010) is active in the NPPES registry as of the last update on 2025-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.