IndividualActive
Stephanie Alfonso
NPI 1407708480 · Behavior Technician · Van Nuys, CA
Stephanie Alfonso is a Behavior Technician provider in Van Nuys, CA (NPI 1407708480).
Provider details
- NPI number
- 1407708480
- 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
16600 Sherman Way Ste 178
Van Nuys, CA 91406-3875
Phone: (818) 235-1414
Street-level locationGet directions
Mailing address
12834 Tilden Dr
Rancho Cucamonga, CA 91739-1805
Registry dates
- Enumerated
- 2026-02-11
- Last updated
- 2026-02-11
- Certified
- 2026-02-11
Frequently asked questions
- What is Stephanie Alfonso's NPI number?
- Stephanie Alfonso's National Provider Identifier (NPI) is 1407708480, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Alfonso's specialty?
- Stephanie Alfonso is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Stephanie Alfonso located?
- Stephanie Alfonso's practice location on file with NPPES is 16600 Sherman Way Ste 178, Van Nuys, CA 91406-3875.
- What is Stephanie Alfonso's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Alfonso is (818) 235-1414.
- Is Stephanie Alfonso's NPI active?
- Yes — Stephanie Alfonso's NPI (1407708480) is active in the NPPES registry as of the last update on 2026-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.