Alfredo Guillen-Barrientos
NPI 1508210162 · Community Health Worker · Ontario, CA
Alfredo Guillen-Barrientos is a Community Health Worker provider in Ontario, CA (NPI 1508210162).
Provider details
- NPI number
- 1508210162
- Entity type
- Individual
- Primary specialty
- Community Health WorkerOther Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
- Peer Specialist175T00000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2016-04-20
- Last updated
- 2023-11-15
- Certified
- 2023-11-15
Frequently asked questions
- What is Alfredo Guillen-Barrientos's NPI number?
- Alfredo Guillen-Barrientos's National Provider Identifier (NPI) is 1508210162, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alfredo Guillen-Barrientos's specialty?
- Alfredo Guillen-Barrientos is listed in the NPPES registry with a primary specialty of Community Health Worker (Other Service Providers).
- Where is Alfredo Guillen-Barrientos located?
- Alfredo Guillen-Barrientos's practice location on file with NPPES is 912 S Benson Ave, Ontario, CA 91762-4703.
- What is Alfredo Guillen-Barrientos's phone number?
- The practice phone number listed in the NPPES registry for Alfredo Guillen-Barrientos is (323) 835-2087.
- Is Alfredo Guillen-Barrientos's NPI active?
- Yes — Alfredo Guillen-Barrientos's NPI (1508210162) is active in the NPPES registry as of the last update on 2023-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.