Port City Operating Company LLC
Port City Operating Company LLC is a Phoenix, Arizona-based public charity whose stated mission is to advance charitable and community-based health care purposes by promoting health and expanding access to care. Its 2024 filing describes services operated by St. Joseph’s Medical Center, St. Joseph’s Behavioral Health Center, and St. Joseph’s Medical Center Home Health in Stockton and the surrounding area.
Port City Operating Company LLC at a glance
In short: Port City Operating Company LLC gave $13.6M across 16 grants in 2025 (avg $847K), mostly in California. 25% of 2025 grantees were new. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $13,551,939
- +3.3% vs 2024
- Grants made (2025)
- 16
- -5.9% vs 2024
- Average grant
- $846,996
- +9.7% vs 2024
- Median grant
- $47,750
- Total assets
- $1,010,834,234
- +5.5% vs 2024
- New grantees (estimate)
- 25% first-time grantees (4 of 16, 2025; small sample)
- Primary geography
- California (99% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Port City Operating Company LLC
- Contact
Mailing address: 3033 N 3Rd Avenue, Phoenix, AZ 85013
Phone: (209) 943-2000
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Port City Operating Company LLC funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Dignity Health Medical Foundation ($10.7M). Together the top 10 received $13.4M.
Grant Size Distribution
71 grants across all recorded years
The most common grant size was under $50K: 32 grants of 71 (45%).
Geographic Focus
Where this funder awards grants
The organization’s stated mission names Stockton, California, and surrounding communities. In 2025, 99% of its grant dollars went to California recipients and 1% to Arizona recipients. The largest grants went to organizations in California, with one listed grant to Dignity Health in Phoenix, Arizona.
Grant Distribution by State
Share of 2025 grant dollars across all 16 itemized grants.
Cities
Is Port City Operating Company LLC open to new grantees?
25%
first-time grantees, 2025
In 2025, 4 of 16 grantees (25%) were first-time recipients. With only 16 grantees, that is a small sample: one grantee more or less moves the share by about 6 points. First grants averaged $59K; repeat grants $1.1M. How we count
Medians: $50K first-time, $48K repeat.
- 50% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (+9%). Method
Estimate from itemized grant lists in IRS Form 990 filings (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $11.1M (2021) to $16.7M (2023). In 2025 it made 16 grants totaling $13.6M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Dignity Health Medical Foundation Rancho Cordova, CA | Medical Fnd Support | $10,725,778 |
| St Joseph's Foundation of San Joaquin Stockton, CA | Foundation Support | $1,296,423 |
| California Health Foundation and Trust Sacramento, CA | Community Health | $815,631 |
| Dignity Health Phoenix, AZ | Hospital Support | $150,000 |
| University of the Pacific Stockton, CA | Community Health | $128,407 |
| Little Manila Foundation Stockton, CA | Community Health | $70,000 |
| San Joaquin County Office of Education Educational Foundation Stockton, CA | Community Health | $60,000 |
| St Marys Dining Room Stockton, CA | Community Health | $50,000 |
| Childrens Home of Stockton Stockton, CA | Community Health | $45,500 |
| Second Harvest of the Greater Valley Manteca, CA | Community Health | $40,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $1,010,834,234 | $892,613,342 | $790,559,628 | $13,551,939 | 16 | $26,128,281 |
| 2024 | $958,255,865 | $878,619,168 | $805,306,531 | $13,124,571 | 17 | $15,997,511 |
| 2023 | $808,946,654 | $784,547,547 | $726,724,303 | $16,716,531 | 8 | $7,997,509 |
| 2022 | $767,368,321 | $712,257,655 | $683,043,556 | $12,440,208 | 15 | $16,934,132 |
| 2021 | $792,913,020 | $744,085,652 | $678,451,458 | $11,068,087 | 15 | $24,349,916 |
| 2020 | $716,107,160 | $692,763,447 | $643,066,584 | $13,610,913 | 9 | $7,753,740 |
| 2019 | $592,142,580 | $657,085,052 | $603,208,112 | $11,500,537 | 9 | $4,762,408 |
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
The organization’s stated mission is to further the charitable and community-based health care purposes, mission, vision, and values of Dignity Health and Kaiser Foundation Hospitals by promoting health and providing and expanding access to health care for people in Stockton and surrounding communities.
Its 2024 filing describes acute medical and surgical care, behavioral health services, and home health care provided through affiliated operations. In 2025, the largest grants included support for medical foundations and community health. Other recipients illustrate the range of organizations supported: California Health Foundation and Trust says its mission is to support access, research, and education in health care delivery, financing, and patient care; Second Harvest of the Greater Valley says it collects and distributes food to reduce waste and alleviate hunger; and Children’s Home of Stockton says it guides youth and young adults toward hope and resiliency.
Grantmaking
In filing year 2025, the organization made 16 grants totaling $13,551,939. Grant amounts ranged from $7,000 to $10,725,778, with a median of $47,750. Its largest reported grants were $10,725,778 to Dignity Health Medical Foundation for medical foundation support, $1,296,423 to St. Joseph’s Foundation of San Joaquin for foundation support, and $815,631 to California Health Foundation and Trust for community health.
Other 2025 grants included $150,000 to Dignity Health in Phoenix for hospital support, $128,407 to University of the Pacific for community health, and $70,000 to Little Manila Foundation for community health. The organization also gave $60,000 to San Joaquin County Office of Education Educational Foundation, $50,000 to St. Marys Dining Room, $45,500 to Childrens Home of Stockton, and $40,000 each to Second Harvest of the Greater Valley, The Emergency Food Bank, and Gospel Center Rescue Mission Inc.; these grants were listed for community health.
A published Dignity Health Community Health Improvement Grants program description says awards were $20,000 to $100,000 and required a nonprofit lead applicant working with at least two other collaborating organizations, a connection to the local Dignity Health hospital, and measurable outcome goals. The stated 2023 project period and application timeline are past; the proposal-form deadline was August 12, 2022.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Debra Cunningham as chair, John E. Petersdorf as vice chair and secretary, Andrea Nikki Ochoa as chief financial officer, and Benjamin BJ Predum, Sue Pietrafeso, Marty Ardron, Aphriekah Duhaney-West, and Peter Valenzuela as board members. Robert Quinn MD is listed as a board member through November 29, 2024, and Donald J. Wiley as president and CEO through November 8, 2024. Peter Valenzuela’s board service is listed as effective June 26, 2025.
Port City Operating Company LLC is led by Donald J. Wiley, President & CEO on every filing since 2019; none of the 11 officers listed in 2025 report compensation.
Officers on the 2025 filing
Donald J. Wiley
President & CEO
On filings since 2019
50 hrs/week
No compensation reported
David Ziolkowski
President & CEO
New on the 2025 filing
50 hrs/week
No compensation reported
Debra Cunningham
Chair
On filings since 2019
2 hrs/week
No compensation reported
Andrea Nikki Ochoa
Chief Financial Officer
On filings since 2019
45 hrs/week
No compensation reported
John E. Petersdorf
Vice Chair & Secretary
Vice Chair → Vice Chair & Secretary, 2022
On filings since 2019
2 hrs/week
No compensation reported
Marty Ardron
Board Member
On filings since 2021
2 hrs/week
No compensation reported
Aphriekah Duhaney-West
Board Member
On filings since 2022
2 hrs/week
No compensation reported
Sue Pietrafeso
Board Member
On filings since 2022
2 hrs/week
No compensation reported
Robert Quinn MD
Board Member
On filings since 2023
2 hrs/week
No compensation reported
Benjamin Bj Predum
Board Member
On filings since 2024
2 hrs/week
No compensation reported
Peter Valenzuela
Board Member
New on the 2025 filing
2 hrs/week
No compensation reported
Former officers (10)
- Former: Julie Sprengel (2022–2024) — Board Member
- Former: Corwin Harper (2019–2022) — Secretary
- Former: Jon Vanboening (2019–2022) — Board Member
- Former: James Desoto MD (2021–2022) — Board Member
- Former: Kevin Walters (2019–2021) — Board Member
- Former: Richard Carvolth MD (2019–2021) — Board Member
- Former: Jeff Collins (2020–2021) — Board Member
- Former: Karl Silberstein (2019–2020) — Former Officer
- Former: Tom Hanenburg (2019–2020) — Board Member
- Former: Elise Dempsey (2019) — Board Member
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Port City Operating Company LLC
How much does Port City Operating Company LLC give each year?
Port City Operating Company LLC gave $13.6M across 16 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $13.1M across 17 grants.
What is Port City Operating Company LLC's typical grant size?
Port City Operating Company LLC's median grant in 2025 was $47,750, and its average grant was $846,996, across 16 grants on its 2025 IRS Form 990. Organizations receiving their first grant from Port City Operating Company LLC that year got $59K on average.
Where does Port City Operating Company LLC give grants?
Port City Operating Company LLC gives mostly in California: 99% of the grant dollars itemized on its 2025 IRS Form 990 went to recipients there. The most frequent recipient cities were Stockton, CA (11 grants).
Does Port City Operating Company LLC give general operating support?
Not in 2025: none of the 16 grants with a stated purpose on Port City Operating Company LLC's 2025 IRS Form 990 were described as general or operating support. Recurring purposes include "Community Health" (13 grants).
Who are Port City Operating Company LLC's largest grantees?
Port City Operating Company LLC's largest 2025 grantees include Dignity Health Medical Foundation ($10,725,778), St Joseph's Foundation of San Joaquin ($1,296,423) and California Health Foundation and Trust ($815,631), according to its 2025 IRS Form 990. Together they received 95% of its itemized 2025 grant dollars.
How large is Port City Operating Company LLC?
Port City Operating Company LLC reported $1.0B in total assets on its 2025 IRS Form 990. Its revenue that year was $892.6M.
What does Port City Operating Company LLC fund?
The organization’s stated mission is to further the charitable and community-based health care purposes, mission, vision, and values of Dignity Health and Kaiser Foundation Hospitals by promoting health and providing and expanding access to health care for people in Stockton and surrounding communities. See mission & focus areas ↑
How do I apply for a grant from Port City Operating Company LLC?
Port City Operating Company LLC has no public application process in the sources Grantable reviewed. Contact the foundation directly before submitting a request.
What is Port City Operating Company LLC's EIN?
Port City Operating Company LLC's EIN (Employer Identification Number) is 46-5322209. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated October 2026. Sourced from IRS Form 990 filings. Research dossier generated October 2026.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2020 (received by the IRS May 4, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS April 30, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS May 4, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS May 13, 2024)
- Updated Form 990 for fiscal year 2019 (received by the IRS July 4, 2020)
- Updated Form 990 for fiscal year 2024 (received by the IRS May 14, 2025)
- Added Form 990 for fiscal year 2025 (received by the IRS May 14, 2026)
- IRS filings on file for fiscal years 2019–2024
Live grants for the work Port City Operating Company LLC funds
Health Open opportunities, soonest deadline first.
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Similar Funders
Funders that support many of the same organizations
Dignity Health
Phoenix, AZ
Dignity Health funds health care organizations, community health programs, and education, with an emphasis on improving health for vulnerable and underserved people. Its 2025 grants had a median of $40,000, though amounts varied widely; community grants are offered in specific service areas, including Sacramento and Yolo Counties and the Yavapai County area. It accepts applications through local community grant programs when announced; the listed Sacramento deadline has passed.
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$22.8B
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Total Given
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Silicon Valley Community Foundation
Mountain View, CA
Silicon Valley Community Foundation funds work in areas such as housing, economic security, education, health, the environment, arts and culture, and civic engagement, with Community Action Grants supporting local, community-led organizations in San Mateo and Santa Clara counties. Its 2024 grants had a median of $51,716, though amounts varied widely; applications depend on the program, and SVCF states that it does not accept unsolicited proposals for advised funds.
Assets
$12.3B
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3,576
Total Given
$3.2B
Kaiser Foundation Hospitals
Oakland, CA
Kaiser Foundation Hospitals funds health care access and services, community health, health education, and related work, with priorities including mental and behavioral health, housing, and income and employment. Its 2024 grants had a median of $25,000, though amounts varied widely; most grant dollars went to California, with some going elsewhere. In Southern California, it says it does not accept unsolicited letters of inquiry or proposals and awards grants through competitive processes to pre-identified organizations.
Assets
$87.4B
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1,122
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$225.4M
The California Endowment
Los Angeles, CA
The California Endowment funds nonprofit, government, and eligible faith-based organizations working to advance health and racial equity, strengthen community power, and improve health systems and communities, primarily in California. Its 2024 median grant was $100,000, and funding is by invitation only; it does not accept unsolicited requests.
Assets
$4.5B
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Total Given
$215.9M
The Cortopassi Family Foundation
Stockton, CA
The Cortopassi Family Foundation funds a range of charitable organizations, including schools, community programs, and groups working in areas such as health care, mentoring, and historical preservation, with most of its giving in California and additional grants in Oregon, Arizona, and Texas. In 2025, grants ranged from $1,000 to $289,552, with a median of $5,000. It gives only to preselected organizations and does not accept unsolicited requests.
Assets
$26.4M
Grants
88
Total Given
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The California Wellness Foundation
Los Angeles, CA
The California Wellness Foundation funds California-focused work to improve health and wellness, including community-led efforts, direct services, advocacy, and civic engagement. Its 2024 grants ranged from $150 to $1 million, with a median of $7,500. It is not accepting unsolicited requests in 2026.
Assets
$1.0B
Grants
681
Total Given
$48.8M
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Cite this profile
Grantable. (2026). Port City Operating Company LLC funder profile. GrantGraph. Retrieved October 16, 2026, from https://grantable.co/funders/port-city-operating-company-llc-morg_5e0e503cc5e3484ea8bdbe13dc94f99b
BibTeX
@misc{grantable_465322209_2026,
author = {{Grantable}},
title = {{Port City Operating Company LLC funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/port-city-operating-company-llc-morg_5e0e503cc5e3484ea8bdbe13dc94f99b},
note = {Accessed 2026-10-16. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Port City Operating Company LLC's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
Port City Operating Company LLC down — hundreds of funders to go?