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Reviewed 2026-06-22

NORTHRIDGE HOSPITAL MEDICAL CENTER

Ownership, control, relationships, and source records for NORTHRIDGE HOSPITAL MEDICAL CENTER.
Ownership receipt

What we can say clearly

NORTHRIDGE HOSPITAL MEDICAL CENTER 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

NORTHRIDGE HOSPITAL MEDICAL CENTER 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
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Key sources

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Control Map

This leads to this

reported ownership or operating chain
CommonSpirit HealthNORTHRIDGE HOSPITAL MEDICAL CENTER
governs
MARVIN O'QUINNNORTHRIDGE HOSPITAL MEDICAL CENTER
governs
MARVIN O'QUINNNORTHRIDGE HOSPITAL MEDICAL CENTER

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 chainCommonSpirit Health → NORTHRIDGE HOSPITAL MEDICAL CENTER

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

governsMARVIN O'QUINN → NORTHRIDGE HOSPITAL MEDICAL CENTER

CORPORATE OFFICER · 0% reported ownership · associated 02/01/2019

governsMARVIN O'QUINN → NORTHRIDGE HOSPITAL MEDICAL CENTER

CORPORATE DIRECTOR · 0% reported ownership · associated 01/27/2021

owns an interest inCOMMONSPIRIT HEALTH → NORTHRIDGE HOSPITAL MEDICAL CENTER

5% OR GREATER INDIRECT OWNERSHIP INTEREST · 100% reported ownership · associated 02/01/2019

governsSCOTT CARSWELL → NORTHRIDGE HOSPITAL MEDICAL CENTER

CORPORATE DIRECTOR · 0% reported ownership · associated 01/27/2021

is associated withDIGNITY HEALTH → NORTHRIDGE HOSPITAL MEDICAL CENTER

OTHER · associated 02/01/2019

governsDANIEL MORISSETTE → NORTHRIDGE HOSPITAL MEDICAL CENTER

CORPORATE OFFICER · 0% reported ownership · associated 02/01/2019

governsMITCH MELFI → NORTHRIDGE HOSPITAL MEDICAL CENTER

CORPORATE OFFICER · 0% reported ownership · associated 01/27/2021

governsMITCH MELFI → NORTHRIDGE HOSPITAL MEDICAL CENTER

CORPORATE DIRECTOR · 0% reported ownership · associated 01/27/2021

governsELIZABETH SHIH → NORTHRIDGE HOSPITAL MEDICAL CENTER

CORPORATE OFFICER · 0% reported ownership · associated 02/01/2019

governsELIZABETH SHIH → NORTHRIDGE HOSPITAL MEDICAL CENTER

CORPORATE DIRECTOR · 0% reported ownership · associated 01/27/2021

governsSTEVEN SCHARMANN → NORTHRIDGE HOSPITAL MEDICAL CENTER

CORPORATE OFFICER · 0% reported ownership · associated 11/14/2022

is associated withSTEVEN SCHARMANN → NORTHRIDGE HOSPITAL MEDICAL CENTER

W-2 MANAGING EMPLOYEE · 0% reported ownership · associated 02/01/2019

controls or managesSTEVEN SCHARMANN → NORTHRIDGE HOSPITAL MEDICAL CENTER

OPERATIONAL/MANAGERIAL CONTROL · 0% reported ownership · associated 02/01/2019

governsJOHN PETERSDORF → NORTHRIDGE HOSPITAL MEDICAL CENTER

CORPORATE OFFICER · 0% reported ownership · associated 11/14/2022

is associated withJOHN PETERSDORF → NORTHRIDGE HOSPITAL MEDICAL CENTER

W-2 MANAGING EMPLOYEE · 0% reported ownership · associated 02/01/2019

controls or managesJOHN PETERSDORF → NORTHRIDGE HOSPITAL MEDICAL CENTER

OPERATIONAL/MANAGERIAL CONTROL · 0% reported ownership · associated 02/01/2019

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

Timeline

Ownership history and events

  1. venture backing

    undefined is reported as an investment backer; this is not treated as a completed ownership claim.

Metrics

Financial and utilization series

MetricPeriodValueMethod note
net patient revenue01/01/2023 to 12/31/2023$520,904,804Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
net patient revenue01/01/2022 to 12/31/2022$462,007,484Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
net patient revenue01/01/2021 to 12/31/2021$442,366,310Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
operating expense01/01/2023 to 12/31/2023$509,923,150Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
operating expense01/01/2022 to 12/31/2022$481,785,875Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
operating expense01/01/2021 to 12/31/2021$459,013,942Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
net income01/01/2023 to 12/31/2023$26,538,511Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
net income01/01/2022 to 12/31/2022$1,751,766Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
net income01/01/2021 to 12/31/2021$22,280,774Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
total assets01/01/2023 to 12/31/2023$555,140,225Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
total assets01/01/2022 to 12/31/2022$552,247,484Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
total assets01/01/2021 to 12/31/2021$567,746,963Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
total liabilities01/01/2023 to 12/31/2023$129,121,926Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
total liabilities01/01/2022 to 12/31/2022$154,397,094Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
total liabilities01/01/2021 to 12/31/2021$167,489,631Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
contract labor direct patient care01/01/2023 to 12/31/2023$15,438,716Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
contract labor direct patient care01/01/2022 to 12/31/2022$12,775,444Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
contract labor direct patient care01/01/2021 to 12/31/2021$9,712,084Hospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
fte employees01/01/2023 to 12/31/20231,535.67 FTEHospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
fte employees01/01/2022 to 12/31/20221,466.92 FTEHospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
fte employees01/01/2021 to 12/31/20211,440.23 FTEHospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
beds01/01/2023 to 12/31/2023318 bedsHospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
beds01/01/2022 to 12/31/2022318 bedsHospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
beds01/01/2021 to 12/31/2021318 bedsHospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
patient days01/01/2023 to 12/31/202366,773 daysHospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
patient days01/01/2022 to 12/31/202262,220 daysHospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
patient days01/01/2021 to 12/31/202159,166 daysHospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
discharges01/01/2023 to 12/31/202313,859 dischargesHospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
discharges01/01/2022 to 12/31/202213,008 dischargesHospital Provider Cost Report value. Compare only like fields and compatible fiscal periods; no causal inference is implied.
discharges01/01/2021 to 12/31/202111,787 dischargesHospital 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

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Take the evidence with you

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

Sources

Evidence and source documents

governmentHospitals RAPTHomeland Infrastructure Foundation-Level DataresearchPrivate Equity Hospital TrackerPrivate Equity Stakeholder ProjectgovernmentHospital EnrollmentsCenters for Medicare & Medicaid ServicesgovernmentHospital All OwnersCenters for Medicare & Medicaid ServicesgovernmentHospital Provider Cost ReportsCenters for Medicare & Medicaid ServicesgovernmentHospital General InformationCenters for Medicare & Medicaid Services