IndividualActive
Yosselyn Fernandez
NPI 1215879564 · Behavior Technician · Fairfield, CA
Yosselyn Fernandez is a Behavior Technician provider in Fairfield, CA (NPI 1215879564).
Provider details
- NPI number
- 1215879564
- 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(46/100 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
490 Chadbourne Rd Ste A131
Fairfield, CA 94534-1862
Phone: (707) 341-9949
Street-level locationGet directions
Mailing address
490 Chadbourne Rd Ste A131
Fairfield, CA 94534-1862
Registry dates
- Enumerated
- 2026-04-07
- Last updated
- 2026-04-07
- Certified
- 2026-04-07
Frequently asked questions
- What is Yosselyn Fernandez's NPI number?
- Yosselyn Fernandez's National Provider Identifier (NPI) is 1215879564, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yosselyn Fernandez's specialty?
- Yosselyn Fernandez is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Yosselyn Fernandez located?
- Yosselyn Fernandez's practice location on file with NPPES is 490 Chadbourne Rd Ste A131, Fairfield, CA 94534-1862.
- What is Yosselyn Fernandez's phone number?
- The practice phone number listed in the NPPES registry for Yosselyn Fernandez is (707) 341-9949.
- Is Yosselyn Fernandez's NPI active?
- Yes — Yosselyn Fernandez's NPI (1215879564) is active in the NPPES registry as of the last update on 2026-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.