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Sydney Stone
NPI 1457940579 · Assistant Behavior Analyst · Van Nuys, CA
Sydney Stone is a Assistant Behavior Analyst provider in Van Nuys, CA (NPI 1457940579).
Provider details
- NPI number
- 1457940579
- Entity type
- Individual
- Primary specialty
- Assistant Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
16605 Sherman Way
Van Nuys, CA 91406-3735
Phone: (714) 592-6995
Street-level locationGet directions
Mailing address
16605 Sherman Way
Van Nuys, CA 91406-3735
Registry dates
- Enumerated
- 2021-01-13
- Last updated
- 2021-01-13
- Certified
- 2021-01-13
Frequently asked questions
- What is Sydney Stone's NPI number?
- Sydney Stone's National Provider Identifier (NPI) is 1457940579, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sydney Stone's specialty?
- Sydney Stone is listed in the NPPES registry with a primary specialty of Assistant Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Sydney Stone located?
- Sydney Stone's practice location on file with NPPES is 16605 Sherman Way, Van Nuys, CA 91406-3735.
- What is Sydney Stone's phone number?
- The practice phone number listed in the NPPES registry for Sydney Stone is (714) 592-6995.
- Is Sydney Stone's NPI active?
- Yes — Sydney Stone's NPI (1457940579) is active in the NPPES registry as of the last update on 2021-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.