IndividualActive
Jeffrey Guillen
NPI 1356842165 · Behavior Analyst · El Cajon, CA
Jeffrey Guillen is a Behavior Analyst provider in El Cajon, CA (NPI 1356842165).
Provider details
- NPI number
- 1356842165
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
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
321 Van Houten Ave
El Cajon, CA 92020-5128
Phone: (619) 383-0704
Street-level locationGet directions
Mailing address
21600 Oxnard St Ste 1800
Woodland Hills, CA 91367-7807
Registry dates
- Enumerated
- 2018-02-27
- Last updated
- 2018-02-27
Frequently asked questions
- What is Jeffrey Guillen's NPI number?
- Jeffrey Guillen's National Provider Identifier (NPI) is 1356842165, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Guillen's specialty?
- Jeffrey Guillen is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Jeffrey Guillen located?
- Jeffrey Guillen's practice location on file with NPPES is 321 Van Houten Ave, El Cajon, CA 92020-5128.
- What is Jeffrey Guillen's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Guillen is (619) 383-0704.
- Is Jeffrey Guillen's NPI active?
- Yes — Jeffrey Guillen's NPI (1356842165) is active in the NPPES registry as of the last update on 2018-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.