Willowbrook Residential Care 1 LLC
NPI 1811889900 · Mental Illness Community Based Residential Treatment Facility · Ben Lomond, CA
Willowbrook Residential Care 1 LLC is a Mental Illness Community Based Residential Treatment Facility organization in Ben Lomond, CA (NPI 1811889900).
Provider details
- NPI number
- 1811889900
- Entity type
- Organization
- Primary specialty
- Mental Illness Community Based Residential Treatment FacilityResidential Treatment Facilities
- Organization subpart
- No
- Authorized official
- Mordechai Wertheimer, Cfo(323) 484-1300
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
Under 1 yr in 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
- 2025-07-15
- Last updated
- 2025-07-15
- Certified
- 2025-07-15
Frequently asked questions
- What is Willowbrook Residential Care 1 LLC's NPI number?
- Willowbrook Residential Care 1 LLC's National Provider Identifier (NPI) is 1811889900, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Willowbrook Residential Care 1 LLC?
- Willowbrook Residential Care 1 LLC is classified in the NPPES registry as Mental Illness Community Based Residential Treatment Facility (Residential Treatment Facilities).
- Where is Willowbrook Residential Care 1 LLC located?
- Willowbrook Residential Care 1 LLC's practice location on file with NPPES is 155 Willowbrook Dr, Ben Lomond, CA 95005-9714.
- What is Willowbrook Residential Care 1 LLC's phone number?
- The practice phone number listed in the NPPES registry for Willowbrook Residential Care 1 LLC is (831) 336-5196.
- Who is the authorized official for Willowbrook Residential Care 1 LLC?
- The authorized official listed on Willowbrook Residential Care 1 LLC's NPPES record is Mordechai Wertheimer, Cfo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Willowbrook Residential Care 1 LLC's NPI active?
- Yes — Willowbrook Residential Care 1 LLC's NPI (1811889900) is active in the NPPES registry as of the last update on 2025-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.