Chelsea Guzman-Arenas
NPI 1811654742 · Assistant Behavior Analyst · Ontario, CA
Chelsea Guzman-Arenas is a Assistant Behavior Analyst provider in Ontario, CA (NPI 1811654742).
Provider details
- NPI number
- 1811654742
- Entity type
- Individual
- Primary specialty
- Assistant Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
Mailing address
Registry dates
- Enumerated
- 2021-11-27
- Last updated
- 2021-11-27
- Certified
- 2021-11-27
Frequently asked questions
- What is Chelsea Guzman-Arenas's NPI number?
- Chelsea Guzman-Arenas's National Provider Identifier (NPI) is 1811654742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chelsea Guzman-Arenas's specialty?
- Chelsea Guzman-Arenas is listed in the NPPES registry with a primary specialty of Assistant Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Chelsea Guzman-Arenas located?
- Chelsea Guzman-Arenas's practice location on file with NPPES is 4688 Ontario Mills Pkwy, Ontario, CA 91764-5104.
- What is Chelsea Guzman-Arenas's phone number?
- The practice phone number listed in the NPPES registry for Chelsea Guzman-Arenas is (714) 834-1111.
- Is Chelsea Guzman-Arenas's NPI active?
- Yes — Chelsea Guzman-Arenas's NPI (1811654742) is active in the NPPES registry as of the last update on 2021-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.