Walker House/ Williams House I & II
NPI 1841626116 · Substance Abuse Rehabilitation Facility · East Palo Alto, CA
Walker House/ Williams House I & II is a Substance Abuse Rehabilitation Facility organization in East Palo Alto, CA (NPI 1841626116).
Provider details
- NPI number
- 1841626116
- Entity type
- Organization
- Primary specialty
- Substance Abuse Rehabilitation FacilityResidential Treatment Facilities
- Organization subpart
- No
- Authorized official
- Elizabeth Mendoza, Administrator(650) 462-6995
- License
- 410027AN
Specialties & taxonomies
Residential Treatment Facilities
Profile Score
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
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
Mailing address
Registry dates
- Enumerated
- 2013-09-18
- Last updated
- 2016-04-12
Frequently asked questions
- What is Walker House/ Williams House I & II's NPI number?
- Walker House/ Williams House I & II's National Provider Identifier (NPI) is 1841626116, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Walker House/ Williams House I & II?
- Walker House/ Williams House I & II is classified in the NPPES registry as Substance Abuse Rehabilitation Facility (Residential Treatment Facilities).
- Where is Walker House/ Williams House I & II located?
- Walker House/ Williams House I & II's practice location on file with NPPES is 1095 Weeks St, East Palo Alto, CA 94303-1341.
- What is Walker House/ Williams House I & II's phone number?
- The practice phone number listed in the NPPES registry for Walker House/ Williams House I & II is (650) 462-6999.
- Who is the authorized official for Walker House/ Williams House I & II?
- The authorized official listed on Walker House/ Williams House I & II's NPPES record is Elizabeth Mendoza, Administrator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Walker House/ Williams House I & II's NPI active?
- Yes — Walker House/ Williams House I & II's NPI (1841626116) is active in the NPPES registry as of the last update on 2016-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.