IndividualActive
Isabel Guillen
NPI 1588240865 · Behavior Technician · West Covina, CA
Isabel Guillen is a Behavior Technician provider in West Covina, CA (NPI 1588240865).
Provider details
- NPI number
- 1588240865
- 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
Established profile(56/100 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
1000 Lakes Dr Ste 320
West Covina, CA 91790-2938
Phone: (888) 428-3223
Fax: (323) 866-1881
Approximate (ZIP-level) locationGet directions
Mailing address
4221 Wilshire Blvd Ste 300a
Los Angeles, CA 90010-3537
Registry dates
- Enumerated
- 2021-03-18
- Last updated
- 2021-03-18
- Certified
- 2021-03-18
Frequently asked questions
- What is Isabel Guillen's NPI number?
- Isabel Guillen's National Provider Identifier (NPI) is 1588240865, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabel Guillen's specialty?
- Isabel Guillen is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Isabel Guillen located?
- Isabel Guillen's practice location on file with NPPES is 1000 Lakes Dr Ste 320, West Covina, CA 91790-2938.
- What is Isabel Guillen's phone number?
- The practice phone number listed in the NPPES registry for Isabel Guillen is (888) 428-3223.
- Is Isabel Guillen's NPI active?
- Yes — Isabel Guillen's NPI (1588240865) is active in the NPPES registry as of the last update on 2021-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.