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St John Kronstadt Convalescent Center

memory care facility in Castro Valley, CaliforniaMedicare/Medicaid certified

St John Kronstadt Convalescent Center is a nursing home in Castro Valley, California, at 4432 James Avenue. The details below are what we have on file; verify licensing and pricing directly with the facility before making a decision.

Address4432 James Avenue, Castro Valley, CA 94546 · Map
Phone(510) 889-7000
Facility typeNursing home
State license #CMS CCN 555016
Licensed beds49
Accepts MedicaidYes
OwnershipNon profit - Corporation
Medicare/Medicaid certificationMedicare and Medicaid
CMS overall rating5 of 5 stars
State inspection recordshttps://www.medicare.gov/care-compare/details/nursing-home/555016?state=CA
Last verified2026-11-09

Source: CMS Nursing Home Compare provider data, retrieved 2026-11-09.

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