St John Kronstadt Home for Aged Russian Americans
NPI 1861484982 · Skilled Nursing Facility · Castro Valley, CA
Enrolled with Medicare as Part a Provider - Skilled Nursing Facility · source: CMS PECOS Public Provider Enrollment (2026.04.01)
St John Kronstadt Home for Aged Russian Americans is a Skilled Nursing Facility organization in Castro Valley, CA (NPI 1861484982).
Provider details
- NPI number
- 1861484982
- Entity type
- Organization
- Primary specialty
- Skilled Nursing FacilityNursing & Custodial Care Facilities
- Organization subpart
- No
- Authorized official
- Jeremy Grimes, Manager(925) 855-0881
- License
- 020000104 (CA)
Specialties & taxonomies
Nursing & Custodial Care Facilities
Suppliers
Suppliers
Suppliers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-08-16
- Last updated
- 2011-06-23
Frequently asked questions
- What is St John Kronstadt Home for Aged Russian Americans's NPI number?
- St John Kronstadt Home for Aged Russian Americans's National Provider Identifier (NPI) is 1861484982, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is St John Kronstadt Home for Aged Russian Americans?
- St John Kronstadt Home for Aged Russian Americans is classified in the NPPES registry as Skilled Nursing Facility (Nursing & Custodial Care Facilities).
- Where is St John Kronstadt Home for Aged Russian Americans located?
- St John Kronstadt Home for Aged Russian Americans's practice location on file with NPPES is 4432 James Ave, Castro Valley, CA 94546-3533.
- What is St John Kronstadt Home for Aged Russian Americans's phone number?
- The practice phone number listed in the NPPES registry for St John Kronstadt Home for Aged Russian Americans is (510) 889-7000.
- Does St John Kronstadt Home for Aged Russian Americans accept Medicare?
- St John Kronstadt Home for Aged Russian Americans is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for St John Kronstadt Home for Aged Russian Americans?
- The authorized official listed on St John Kronstadt Home for Aged Russian Americans's NPPES record is Jeremy Grimes, Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is St John Kronstadt Home for Aged Russian Americans's NPI active?
- Yes — St John Kronstadt Home for Aged Russian Americans's NPI (1861484982) is active in the NPPES registry as of the last update on 2011-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.