Serenethos Care Center, LLC
NPI 1770084121 · Skilled Nursing Facility · Hayward, CA
Enrolled with Medicare as Part a Provider - Skilled Nursing Facility · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Serenethos Care Center, LLC is a Skilled Nursing Facility organization in Hayward, CA (NPI 1770084121).
Provider details
- NPI number
- 1770084121
- Entity type
- Organization
- Primary specialty
- Skilled Nursing FacilityNursing & Custodial Care Facilities
- Organization subpart
- No
- Authorized official
- Qing Xie, Ceo(510) 733-3877
Specialties & taxonomies
Nursing & Custodial Care Facilities
- Skilled Nursing Facility314000000X
Nursing & Custodial Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
Other names (DBA / former)
- Former legal business name
- St. Christopher Convalescent Hospital,inc
Registry dates
- Enumerated
- 2018-02-21
- Last updated
- 2022-02-17
- Certified
- 2022-02-17
Frequently asked questions
- What is Serenethos Care Center, LLC's NPI number?
- Serenethos Care Center, LLC's National Provider Identifier (NPI) is 1770084121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Serenethos Care Center, LLC?
- Serenethos Care Center, LLC is classified in the NPPES registry as Skilled Nursing Facility (Nursing & Custodial Care Facilities).
- Where is Serenethos Care Center, LLC located?
- Serenethos Care Center, LLC's practice location on file with NPPES is 22822 Myrtle St, Hayward, CA 94541-6321.
- What is Serenethos Care Center, LLC's phone number?
- The practice phone number listed in the NPPES registry for Serenethos Care Center, LLC is (510) 537-4844.
- Does Serenethos Care Center, LLC accept Medicare?
- Serenethos Care Center, LLC 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 Serenethos Care Center, LLC?
- The authorized official listed on Serenethos Care Center, LLC's NPPES record is Qing Xie, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Serenethos Care Center, LLC's NPI active?
- Yes — Serenethos Care Center, LLC's NPI (1770084121) is active in the NPPES registry as of the last update on 2022-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.