Bryan Guillen, MS
NPI 1013567874 · Assistant Behavior Analyst · Los Angeles, CA
Bryan Guillen, MS is a Assistant Behavior Analyst provider in Los Angeles, CA (NPI 1013567874).
Provider details
- NPI number
- 1013567874
- Entity type
- Individual
- Primary specialty
- Assistant Behavior AnalystBehavioral Health & Social Service Providers
- Credential
- MS
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Behavior Analyst103K00000X
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
6 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
- 2019-09-13
- Last updated
- 2023-03-20
- Certified
- 2023-03-20
Frequently asked questions
- What is Bryan Guillen's NPI number?
- Bryan Guillen's National Provider Identifier (NPI) is 1013567874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bryan Guillen's specialty?
- Bryan Guillen is listed in the NPPES registry with a primary specialty of Assistant Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Bryan Guillen located?
- Bryan Guillen's practice location on file with NPPES is 4401 Crenshaw Blvd Ste 215, Los Angeles, CA 90043-1200.
- What is Bryan Guillen's phone number?
- The practice phone number listed in the NPPES registry for Bryan Guillen is (323) 291-7100.
- Is Bryan Guillen's NPI active?
- Yes — Bryan Guillen's NPI (1013567874) is active in the NPPES registry as of the last update on 2023-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.