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Who owns Bay Marina Post Acute?

Bay Marina Post Acute is a Medicare-certified skilled nursing facility in Oakland, California. WhoOwnsCare resolves the facility's operating organisation to ROCKPORT ADMINISTRATIVE SERVICES, LLC, which controls 75 facilities across the markets we cover.

Ownership resolution: Structurally distinct

Facility snapshot

CCN056280
Facility typeSkilled Nursing Facility
CityOakland
CountyAlameda
StateCalifornia
Certified beds94
Occupancy98%
CMS overall rating3 of 5
Ownership typeFor profit - Limited Liability company
OperatorROCKPORT ADMINISTRATIVE SERVICES, LLC
Owner of recordROCKPORT ADMINISTRATIVE SERVICES, LLC
Corporate familyROCKPORT ADMINISTRATIVE SERVICES, LLC
CMS chainCORPORATE INTERFACE SERVICES
Ownership confidenceStructurally distinct — Control and property ownership, or CMS's chain and our resolved family, describe different relationships.

Ownership structure

Corporate family
ROCKPORT ADMINISTRATIVE SERVICES, LLC
  ↓
Operating entity
ROCKPORT ADMINISTRATIVE SERVICES, LLC
  ↓
Facility
Bay Marina Post Acute

Why this facility is linked to ROCKPORT ADMINISTRATIVE SERVICES, LLC

The grouping rests on the following public evidence:

Corporate families are WhoOwnsCare analysis derived from CMS filings, not a CMS designation. Individuals are used as evidence and are never named.

What CMS records

CMS lists this facility under the chain CORPORATE INTERFACE SERVICES, reported at 41 facilities nationally. WhoOwnsCare groups entities by resolved ownership evidence, which can produce a different boundary — CMS is a comparison source here, not an authority we defer to.

Ownership changes for Bay Marina Post Acute

EffectiveAcquiring entityPrior entityType
2023-10-11BROOKDALE HEALTHCARE & WELLNESS CENTRE LPWINDSOR OAKRIDGE CARE CENTER, LLCCHANGE OF OWNERSHIP

Recorded Medicare changes of ownership (CHOW). CMS's CHOW file lags, so recent quarters are incomplete.

Financial and operating signals

Operating margin (FY2023)-20.7%
Agency cost per $1 of employee salary0.07×
Medicaid share of resident days82%
Occupancy of certified beds98%
Nurse hours per resident day4.02
Health deficiencies on record53
Civil monetary penalties$22,584
Distress index38 / 100 (stable)

Cost report figures are final through FY2023 — roughly a two-year lag. Payroll, occupancy and inspection data are current to 2026. A distress score is a screening signal, not a statement about quality of care.

Other facilities associated with ROCKPORT ADMINISTRATIVE SERVICES, LLC

View all 75 facilities associated with ROCKPORT ADMINISTRATIVE SERVICES, LLC

Common questions

Who owns Bay Marina Post Acute?

WhoOwnsCare resolves the facility's ownership filings to ROCKPORT ADMINISTRATIVE SERVICES, LLC (corroborated confidence).

Who operates Bay Marina Post Acute?

ROCKPORT ADMINISTRATIVE SERVICES, LLC appears with operating or controlling responsibility on the CMS filing.

Is Bay Marina Post Acute part of a chain?

Yes. ROCKPORT ADMINISTRATIVE SERVICES, LLC is associated with 75 facilities across the markets WhoOwnsCare currently covers.

Has Bay Marina Post Acute changed ownership?

Yes — the most recent recorded change of ownership took effect 2023-10-11.

Sources

CMS Medicare enrollment and ownership files, Care Compare provider information, Payroll Based Journal, Medicare cost reports (HCRIS), change of ownership records. Data vintage July–August 2026. Full methodology.