OrganizationActive
Quartz Garden
NPI 1558798256 · Assisted Living Facility · Winnetka, CA
Quartz Garden is a Assisted Living Facility organization in Winnetka, CA (NPI 1558798256).
Provider details
- NPI number
- 1558798256
- Entity type
- Organization
- Primary specialty
- Assisted Living FacilityNursing & Custodial Care Facilities
- Organization subpart
- No
- Authorized official
- Christine Loyola, Ceo(818) 648-5402
- License
- 197606473 (CA)
Specialties & taxonomies
Nursing & Custodial Care Facilities
Profile Score
Detailed profile(77/100 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
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
7250 Quartz Ave
Winnetka, CA 91306-3035
Phone: (818) 648-5402
Street-level locationGet directions
Mailing address
10753 Lurline Ave
Chatsworth, CA 91311-1634
Other names (DBA / former)
- Doing business as
- Gretchen Manor,pleasant Valley Manor
Registry dates
- Enumerated
- 2013-09-26
- Last updated
- 2013-09-27
Frequently asked questions
- What is Quartz Garden's NPI number?
- Quartz Garden's National Provider Identifier (NPI) is 1558798256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Quartz Garden?
- Quartz Garden is classified in the NPPES registry as Assisted Living Facility (Nursing & Custodial Care Facilities).
- Where is Quartz Garden located?
- Quartz Garden's practice location on file with NPPES is 7250 Quartz Ave, Winnetka, CA 91306-3035.
- What is Quartz Garden's phone number?
- The practice phone number listed in the NPPES registry for Quartz Garden is (818) 648-5402.
- Who is the authorized official for Quartz Garden?
- The authorized official listed on Quartz Garden's NPPES record is Christine Loyola, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Quartz Garden's NPI active?
- Yes — Quartz Garden's NPI (1558798256) is active in the NPPES registry as of the last update on 2013-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.