OrganizationActive
County of Los Angeles
NPI 1184740383 · Clinic/Center · Los Angeles, CA
County of Los Angeles is a Clinic/Center organization in Los Angeles, CA (NPI 1184740383).
Provider details
- NPI number
- 1184740383
- Entity type
- Organization
- Primary specialty
- Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Quentin O'Brien, Acn, Ceo(213) 288-9000
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% 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
5850 S Main St
Los Angeles, CA 90003-1215
Phone: (323) 846-4321
Street-level locationGet directions
Mailing address
5850 S Main St
Los Angeles, CA 90003-1215
Other names (DBA / former)
- Doing business as
- Hubert H. Humphrey Comprehensive Health Center
Registry dates
- Enumerated
- 2007-03-21
- Last updated
- 2020-01-16
- Certified
- 2020-01-16
Frequently asked questions
- What is County of Los Angeles's NPI number?
- County of Los Angeles's National Provider Identifier (NPI) is 1184740383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is County of Los Angeles?
- County of Los Angeles is classified in the NPPES registry as Clinic/Center (Ambulatory Health Care Facilities).
- Where is County of Los Angeles located?
- County of Los Angeles's practice location on file with NPPES is 5850 S Main St, Los Angeles, CA 90003-1215.
- What is County of Los Angeles's phone number?
- The practice phone number listed in the NPPES registry for County of Los Angeles is (323) 846-4321.
- Who is the authorized official for County of Los Angeles?
- The authorized official listed on County of Los Angeles's NPPES record is Quentin O'Brien, Acn, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is County of Los Angeles's NPI active?
- Yes — County of Los Angeles's NPI (1184740383) is active in the NPPES registry as of the last update on 2020-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.