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William Treaster
NPI 1811123771 · Community Health Worker · Commerce, CA
William Treaster is a Community Health Worker provider in Commerce, CA (NPI 1811123771).
Provider details
- NPI number
- 1811123771
- Entity type
- Individual
- Primary specialty
- Community Health WorkerOther Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
6055 E Washington Blvd
Suite 900
Commerce, CA 90040-2449
Phone: (323) 346-0960
Street-level locationGet directions
Mailing address
636 W 11th St
San Pedro, CA 90731-4112
Registry dates
- Enumerated
- 2009-06-05
- Last updated
- 2009-06-05
Frequently asked questions
- What is William Treaster's NPI number?
- William Treaster's National Provider Identifier (NPI) is 1811123771, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Treaster's specialty?
- William Treaster is listed in the NPPES registry with a primary specialty of Community Health Worker (Other Service Providers).
- Where is William Treaster located?
- William Treaster's practice location on file with NPPES is 6055 E Washington Blvd, Commerce, CA 90040-2449.
- What is William Treaster's phone number?
- The practice phone number listed in the NPPES registry for William Treaster is (323) 346-0960.
- Is William Treaster's NPI active?
- Yes — William Treaster's NPI (1811123771) is active in the NPPES registry as of the last update on 2009-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.