L. Marillac Group Home
NPI 1679781884 · Intellectual Disabilities Intermediate Care Facility · Diamond Bar, CA
L. Marillac Group Home is a Intellectual Disabilities Intermediate Care Facility organization in Diamond Bar, CA (NPI 1679781884).
Provider details
- NPI number
- 1679781884
- Entity type
- Organization
- Primary specialty
- Intellectual Disabilities Intermediate Care FacilityNursing & Custodial Care Facilities
- Organization subpart
- No
- Authorized official
- Grace Villegas, Licensee(909) 821-3698
Specialties & taxonomies
Nursing & Custodial Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-05-19
- Last updated
- 2020-08-22
Frequently asked questions
- What is L. Marillac Group Home's NPI number?
- L. Marillac Group Home's National Provider Identifier (NPI) is 1679781884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is L. Marillac Group Home?
- L. Marillac Group Home is classified in the NPPES registry as Intellectual Disabilities Intermediate Care Facility (Nursing & Custodial Care Facilities).
- Where is L. Marillac Group Home located?
- L. Marillac Group Home's practice location on file with NPPES is 23711 Prospect Valley Dr, Diamond Bar, CA 91765-1637.
- What is L. Marillac Group Home's phone number?
- The practice phone number listed in the NPPES registry for L. Marillac Group Home is (909) 821-3698.
- Who is the authorized official for L. Marillac Group Home?
- The authorized official listed on L. Marillac Group Home's NPPES record is Grace Villegas, Licensee. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is L. Marillac Group Home's NPI active?
- Yes — L. Marillac Group Home's NPI (1679781884) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.