Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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St John Kronstadt Home for Aged Russian Americans

Organization Skilled Nursing Facility · NPI 1861484982

St John Kronstadt Home for Aged Russian Americans is a Skilled Nursing Facility in Castro Valley, California. Medicare rates this nursing home 5 out of 5. Licensed in California.

CMS rating
5 of 5
Licensed in
CA
In the registry since
2005
Specialties on file
4
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CMS quality rating

5 out of 5 — official nursing home rating from CMS Care Compare (CCN 555016)
Health inspection4.0 / 5
Staffing5.0 / 5
Quality measures5.0 / 5
OwnershipNon profit - Corporation

Practice location Address checks out

4432 James Ave
Castro Valley, CA 94546-3533
Phone: (510) 889-7000
Fax: (510) 889-7622
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Skilled Nursing Facility (primary) Taxonomy 314000000X · Licence 020000104 (CA)
Durable Medical Equipment & Medical Supplies Taxonomy 332B00000X · Licence 020000104 (CA)
Nursing Facility Supplies (DME) Taxonomy 332BN1400X · Licence 020000104 (CA)
Parenteral & Enteral Nutrition Supplies (DME) Taxonomy 332BP3500X · Licence 020000104 (CA)

Record details

NPI number1861484982
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Jeremy Grimes — Manager · (925) 855-0881
NPI enumeratedAugust 16, 2005
Last updated in NPPESJune 23, 2011
Mailing address5000 Executive Pkwy, Suite 150, San Ramon, CA 94583-4210

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