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Fernanda Williams
NPI 1336647445 · Behavior Analyst · Tustin, CA
Fernanda Williams is a Behavior Analyst provider in Tustin, CA (NPI 1336647445).
Provider details
- NPI number
- 1336647445
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
259 Robinson Dr
Tustin, CA 92782-0901
Phone: (909) 509-1046
Street-level locationGet directions
Mailing address
259 Robinson Dr
Tustin, CA 92782-0901
Registry dates
- Enumerated
- 2018-01-24
- Last updated
- 2022-04-27
- Certified
- 2022-03-17
Frequently asked questions
- What is Fernanda Williams's NPI number?
- Fernanda Williams's National Provider Identifier (NPI) is 1336647445, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fernanda Williams's specialty?
- Fernanda Williams is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Fernanda Williams located?
- Fernanda Williams's practice location on file with NPPES is 259 Robinson Dr, Tustin, CA 92782-0901.
- What is Fernanda Williams's phone number?
- The practice phone number listed in the NPPES registry for Fernanda Williams is (909) 509-1046.
- Is Fernanda Williams's NPI active?
- Yes — Fernanda Williams's NPI (1336647445) is active in the NPPES registry as of the last update on 2022-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.