IndividualActive
William Harwell
NPI 1134557721 · Community Health Worker · Palmdale, CA
William Harwell is a Community Health Worker provider in Palmdale, CA (NPI 1134557721).
Provider details
- NPI number
- 1134557721
- Entity type
- Individual
- Primary specialty
- Community Health WorkerOther Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
- Case Manager/Care Coordinator171M00000X
Other Service Providers
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
40015 Sierra Hwy
Palmdale, CA 93550-2101
Phone: (661) 583-6371
Street-level locationGet directions
Mailing address
40015 Sierra Hwy
Palmdale, CA 93550-2101
Additional practice locations (1)
- 1529 E Palmdale BlvdPalmdale, CA 93550-2034Phone: (661) 526-5061
Registry dates
- Enumerated
- 2013-10-17
- Last updated
- 2023-07-14
- Certified
- 2023-07-14
Frequently asked questions
- What is William Harwell's NPI number?
- William Harwell's National Provider Identifier (NPI) is 1134557721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Harwell's specialty?
- William Harwell is listed in the NPPES registry with a primary specialty of Community Health Worker (Other Service Providers).
- Where is William Harwell located?
- William Harwell's practice location on file with NPPES is 40015 Sierra Hwy, Palmdale, CA 93550-2101.
- What is William Harwell's phone number?
- The practice phone number listed in the NPPES registry for William Harwell is (661) 583-6371.
- Is William Harwell's NPI active?
- Yes — William Harwell's NPI (1134557721) is active in the NPPES registry as of the last update on 2023-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.