Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Onix Silverside LLC

Organization Nursing Facility/Intermediate Care Facility · NPI 1023368719

Onix Silverside LLC is a Nursing Facility/Intermediate Care Facility in Wilmington, Delaware. Medicare rates this nursing home 5 out of 5. Registered with an NPI since 2012.

CMS rating
5 of 5
In the registry since
2012
Specialties on file
2
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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CMS quality rating

5 out of 5 — official nursing home rating from CMS Care Compare (CCN 085056)
Health inspection3.0 / 5
Staffing5.0 / 5
Quality measures5.0 / 5
OwnershipFor profit - Limited Liability company

Practice location Address checks out

3322 Silverside Rd
Wilmington, DE 19810-3307
Phone: (302) 478-8889
Fax: (484) 731-1234
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Skilled Nursing Facility (primary) Taxonomy 314000000X
Nursing Facility/Intermediate Care Facility Taxonomy 313M00000X

Record details

NPI number1023368719
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Rebecca Margis — Corporate Finance Director · (484) 731-2500
Other names Cadia Rehabilitation Silverside
NPI enumeratedSeptember 11, 2012
Last updated in NPPESDecember 18, 2019
Certification dateDecember 18, 2019
Mailing address150 Onix Dr, Kennett Square, PA 19348-1886

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