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Arissa Witherow
NPI 1477157246 · Assistant Behavior Analyst · Gardena, CA
Arissa Witherow is a Assistant Behavior Analyst provider in Gardena, CA (NPI 1477157246).
Provider details
- NPI number
- 1477157246
- 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(57/100 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
879 W 190th Street #400
Gardena, CA 90248-9024
Phone: (310) 692-4229
Street-level locationGet directions
Mailing address
1090 Calle Ruiz
Thousand Oaks, CA 91360-6126
Registry dates
- Enumerated
- 2020-11-23
- Last updated
- 2020-11-23
- Certified
- 2020-11-21
Frequently asked questions
- What is Arissa Witherow's NPI number?
- Arissa Witherow's National Provider Identifier (NPI) is 1477157246, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arissa Witherow's specialty?
- Arissa Witherow is listed in the NPPES registry with a primary specialty of Assistant Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Arissa Witherow located?
- Arissa Witherow's practice location on file with NPPES is 879 W 190th Street #400, Gardena, CA 90248-9024.
- What is Arissa Witherow's phone number?
- The practice phone number listed in the NPPES registry for Arissa Witherow is (310) 692-4229.
- Is Arissa Witherow's NPI active?
- Yes — Arissa Witherow's NPI (1477157246) is active in the NPPES registry as of the last update on 2020-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.