William Horton
NPI 1245884873 · Case Manager/Care Coordinator · Greenbrae, CA
William Horton is a Case Manager/Care Coordinator provider in Greenbrae, CA (NPI 1245884873).
Provider details
- NPI number
- 1245884873
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
- Community Health Worker172V00000X
Other 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
- 2019-07-31
- Last updated
- 2024-06-08
- Certified
- 2024-06-08
Frequently asked questions
- What is William Horton's NPI number?
- William Horton's National Provider Identifier (NPI) is 1245884873, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Horton's specialty?
- William Horton is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is William Horton located?
- William Horton's practice location on file with NPPES is 250 Bon Air Rd, Greenbrae, CA 94904-1702.
- What is William Horton's phone number?
- The practice phone number listed in the NPPES registry for William Horton is (415) 925-7000.
- Is William Horton's NPI active?
- Yes — William Horton's NPI (1245884873) is active in the NPPES registry as of the last update on 2024-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.