Reviewed 2026-06-22

ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

Ownership, control, relationships, and source records for ST. JOSEPH'S MEDICAL CENTER OF STOCKTON.

Ownership receipt

What we can say clearly

ST. JOSEPH'S MEDICAL CENTER OF STOCKTON appears in the source tracker as a venture-backed investment signal. This dossier does not classify that signal as completed private-equity ownership.

Finding: Documented investment signal
Last reviewed: 2026-06-22
Evidence: 6 cited sources

Documented warningPossible ownership change under review

ST. JOSEPH'S MEDICAL CENTER OF STOCKTON appears in the source tracker as a venture-backed investment signal. This dossier does not classify that signal as completed private-equity ownership.

Documented investment signal
Last verified Jun 2026

See real prices near this facility →

Key sources

CMS owners

Financial assistance help

Bill Reduction Available

Dollar For lists this facility for hospital bill assistance. Eligibility depends on the hospital policy and patient circumstances.

Get bill help ↗

Control Map

This leads to this

reported ownership or operating chain

PORT CITY OPERATING COMPANY LLCST. JOSEPH'S MEDICAL CENTER OF STOCKTON

is associated with

MARVIN O'QUINNST. JOSEPH'S MEDICAL CENTER OF STOCKTON

governs

DONALD WILEYST. JOSEPH'S MEDICAL CENTER OF STOCKTON

Evidence limits

Red color requiredCCN exact match2 ownership sources checked6 total sources below

Review Note

Why this page is published

government-corroborated

Meets the Phase 3 publication standard for its displayed status

Ownership & Control

Detailed records, kept below the answer

Sponsor, operator, CMS legal-owner/control records, and facility are shown as separate evidence layers.

See the full ownership chain

reported ownership or operating chainPORT CITY OPERATING COMPANY LLC → ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

The platform attribution comes from the research tracker and is displayed separately from CMS legal-owner rows.

is associated withMARVIN O'QUINN → ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

OTHER · 0% reported ownership · associated 08/01/2022

governsDONALD WILEY → ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

CORPORATE OFFICER · associated 06/01/2016

is associated withDONALD WILEY → ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

W-2 MANAGING EMPLOYEE · associated 06/01/2016

owns an interest inDIGNITY HEALTH → ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

5% OR GREATER INDIRECT OWNERSHIP INTEREST · 80% reported ownership · associated 06/01/2016

governsSUSAN PIETRAFESO → ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

CORPORATE DIRECTOR · 0% reported ownership · associated 05/18/2022

governsMARTY ARDRON → ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

CORPORATE DIRECTOR · 0% reported ownership · associated 12/04/2020

governsJULIE SPRENGEL → ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

CORPORATE DIRECTOR · 0% reported ownership · associated 07/29/2021

governsANDREA OCHOA → ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

CORPORATE OFFICER · associated 12/24/2017

is associated withANDREA OCHOA → ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

W-2 MANAGING EMPLOYEE · associated 12/24/2017

governsAPHRIEKAH DUHANEY-WEST → ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

CORPORATE DIRECTOR · 0% reported ownership · associated 04/22/2022

governsDEBRA CUNNINGHAM → ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

CORPORATE OFFICER · 0% reported ownership · associated 06/01/2016

governsDEBRA CUNNINGHAM → ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

CORPORATE DIRECTOR · 0% reported ownership · associated 06/01/2016

owns an interest inPORT CITY OPERATING COMPANY LLC → ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

5% OR GREATER DIRECT OWNERSHIP INTEREST · 100% reported ownership · associated 06/01/2016

owns an interest inKAISER FOUNDATION HOSPITALS → ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

5% OR GREATER INDIRECT OWNERSHIP INTEREST · 20% reported ownership · associated 06/01/2016

governsJOHN PETERSDORF → ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

CORPORATE OFFICER · 0% reported ownership · associated 06/16/2016

governsJOHN PETERSDORF → ST. JOSEPH'S MEDICAL CENTER OF STOCKTON

CORPORATE DIRECTOR · 0% reported ownership · associated 06/01/2016

CMS owner rows establish enrolled legal ownership or control roles; they do not always name the ultimate financial sponsor.

Timeline

Ownership history and events

Current / undated
venture backing
undefined is reported as an investment backer; this is not treated as a completed ownership claim.

Metrics

Financial and utilization series

Metric	Period	Value	Method note
net patient revenue	07/01/2023 to 06/30/2024	$827,910,866	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
net patient revenue	07/01/2022 to 06/30/2023	$728,511,754	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
net patient revenue	07/01/2021 to 06/30/2022	$665,722,661	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
operating expense	07/01/2023 to 06/30/2024	$766,631,188	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
operating expense	07/01/2022 to 06/30/2023	$686,591,512	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
operating expense	07/01/2021 to 06/30/2022	$648,702,417	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
net income	07/01/2023 to 06/30/2024	$113,078,488	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
net income	07/01/2022 to 06/30/2023	$81,980,384	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
net income	07/01/2021 to 06/30/2022	$27,267,966	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
total assets	07/01/2023 to 06/30/2024	$948,727,511	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
total assets	07/01/2022 to 06/30/2023	$796,823,649	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
total assets	07/01/2021 to 06/30/2022	$757,712,143	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
total liabilities	07/01/2023 to 06/30/2024	$192,450,360	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
total liabilities	07/01/2022 to 06/30/2023	$131,598,345	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
total liabilities	07/01/2021 to 06/30/2022	$170,501,678	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
contract labor direct patient care	07/01/2023 to 06/30/2024	$3,379,330	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
contract labor direct patient care	07/01/2022 to 06/30/2023	$13,527,115	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
contract labor direct patient care	07/01/2021 to 06/30/2022	$23,098,784	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
fte employees	07/01/2023 to 06/30/2024	2,388.94 FTE	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
fte employees	07/01/2022 to 06/30/2023	2,277.17 FTE	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
fte employees	07/01/2021 to 06/30/2022	2,234.15 FTE	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
beds	07/01/2023 to 06/30/2024	343 beds	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
beds	07/01/2022 to 06/30/2023	348 beds	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
beds	07/01/2021 to 06/30/2022	348 beds	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
patient days	07/01/2023 to 06/30/2024	98,788 days	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
patient days	07/01/2022 to 06/30/2023	100,967 days	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
patient days	07/01/2021 to 06/30/2022	100,910 days	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
discharges	07/01/2023 to 06/30/2024	19,451 discharges	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
discharges	07/01/2022 to 06/30/2023	18,883 discharges	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
discharges	07/01/2021 to 06/30/2022	18,853 discharges	Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.

Evidence Notes

Contradictions, limitations, and unavailable fields

Open evidence notes

Limitation

CMS corroborates an enrolled ownership chain, but its owner names do not independently reproduce every sponsor or portfolio-company name from the tracker.

Limitation

The investment signal does not establish completed private-equity ownership or a pending sale.

Unavailable

Precise acquisition date

Unavailable

Official facility URL

Download

Take the evidence with you

CSVEvidence CSV — every source with dates and URLsSpreadsheet-friendly source audit for this hospital JSONFull evidence file JSONComplete structured evidence file exactly as published

Sources

Evidence and source documents

governmentHospitals RAPTHomeland Infrastructure Foundation-Level Data researchPrivate Equity Hospital TrackerPrivate Equity Stakeholder Project governmentHospital EnrollmentsCenters for Medicare & Medicaid Services governmentHospital All OwnersCenters for Medicare & Medicaid Services governmentHospital Provider Cost ReportsCenters for Medicare & Medicaid Services governmentHospital General InformationCenters for Medicare & Medicaid Services