IndividualActive
Jessica Williams
NPI 1639800121 · Behavior Analyst · Costa Mesa, CA
Jessica Williams is a Behavior Analyst provider in Costa Mesa, CA (NPI 1639800121).
Provider details
- NPI number
- 1639800121
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
3186 Airway Ave Ste a
Costa Mesa, CA 92626-4650
Phone: (714) 881-0427
Street-level locationGet directions
Mailing address
1318 Hope Dr
Santa Clara, CA 95054-1797
Registry dates
- Enumerated
- 2022-06-23
- Last updated
- 2025-11-26
- Certified
- 2025-11-26
Frequently asked questions
- What is Jessica Williams's NPI number?
- Jessica Williams's National Provider Identifier (NPI) is 1639800121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jessica Williams's specialty?
- Jessica Williams is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Jessica Williams located?
- Jessica Williams's practice location on file with NPPES is 3186 Airway Ave Ste a, Costa Mesa, CA 92626-4650.
- What is Jessica Williams's phone number?
- The practice phone number listed in the NPPES registry for Jessica Williams is (714) 881-0427.
- Is Jessica Williams's NPI active?
- Yes — Jessica Williams's NPI (1639800121) is active in the NPPES registry as of the last update on 2025-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.