Potomac Health Foundation logo

Potomac Health Foundation

Private foundation · Grantmaker Woodbridge, VA EIN: 52-1340920 Website

Potomac Health Foundation is a private foundation based in Woodbridge, Virginia. Its stated mission is to improve community health by increasing access to health care for medically underserved people, and its grants support organizations serving residents in eastern Prince William County and immediately adjacent communities in eastern Fairfax and Stafford counties.

Potomac Health Foundation at a glance

In short: Potomac Health Foundation gave $5.9M across 55 grants in 2024 (avg $107K), mostly in Virginia. 13% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$5,865,522
-1.8% vs 2023
Grants made (2024)
55
-35.3% vs 2023
Average grant
$106,646
+51.8% vs 2023
Median grant
$84,100
Total assets
$109,573,060
+1.6% vs 2023
New grantees (estimate)
13% first-time grantees (7 of 55, 2024)
Primary geography
Virginia (89% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Potomac Health Foundation

Invitation Only

The filing says applications are submitted online through the foundation’s website, with announcements sent in December and applications submitted in the spring. General operating support awards for Health Safety Net agencies are by invitation only. Eligible grantees include specified 501(c)(3) public charities, domestic units of government, and exempt operating foundations; other agencies are eligible only when applying with a tax-exempt fiscal sponsor.

Review Cycle
The filing describes announcements in December and application submissions in the spring; it does not give a specific deadline.
Deadline
The filing describes announcements in December and application submissions in the spring; it does not give a specific…
Contact

Application contact: Imani Amponsah Co Potomac Health Fo
Mailing address: 2296 Opitz Blvd Suite 200, Woodbridge, VA 22191
Phone: (703) 523-0624
Email: imani@potomachealthfoundation.org
Website: https://potomachealthfoundation.org

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Potomac Health Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Prince William County Community Services: $500KPrince William CountyCommunity Services$500KNorthern Virginia Family Service: $253KNorthern Virginia FamilyService$253KAction in Community Through Service Inc: $250KAction in Community ThroughService Inc$250KPathway Homes: $250KPathway Homes$250KThe Arc of Greater Prince William: $250KThe Arc of Greater PrinceWilliam$250KThe House Student Leadership Center: $250KThe House Student LeadershipCenter$250KYouth for Tomorrow: $247KYouth for Tomorrow$247KVirginia Poverty Law Center: $192KVirginia Poverty Law Center$192KInstitute of Public Health Innovation: $179KInstitute of Public HealthInnovation$179KThe Fenwick Foundation: $168KThe Fenwick Foundation$168K

The largest 2024 recipient was Prince William County Community Services ($500K). Together the top 10 received $2.5M.

Grant Size Distribution

404 grants across all recorded years

208<$50K85$50–100K88$100–250K20$250–500K2$500K–1M1$1–5M$5M+

The most common grant size was under $50K: 208 grants of 404 (51%).

Geographic Focus

Where this funder awards grants

The foundation says it supports organizations serving eastern Prince William County, Virginia, and immediately adjacent communities in eastern Fairfax and Stafford counties. In 2024, 89% of grant dollars went to recipients in Virginia and 11% to recipients in the District of Columbia.

Grant Distribution by State

6states

Share of 2024 grant dollars across all 55 itemized grants.

Cities

WoodbridgeWashingtonRichmondManassasDumfriesFairfaxOaktonFredericksburgAlexandriaFalls ChurchArlingtonLortonBristowDale CityAnnandaleViennaFalmouthCharlottesvilleOccoquanReston

Is Potomac Health Foundation open to new grantees?

13%

first-time grantees, 2024

In 2024, 7 of 55 grantees (13%) were first-time recipients. First grants averaged $48K; repeat grants $115K. How we count

Medians: $35K first-time, $97K repeat.

  • 84% of 2024 grantees were also funded in 2023. Method
  • Giving held roughly steady from 2021 to 2024 (−6%). Method
  • In 2024 it paid out 123% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). 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

$0$2M$4M$6M$8M91 grants2020 94 grants2021 79 grants2022 85 grants2023 55 grants2024

From 2020 to 2024, annual grant giving ranged from $5.2M (2020) to $6.7M (2022). In 2024 it made 55 grants totaling $5.9M.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Prince William County Community Services Manassas, VACrisis Receiving and Stabilization Center$500,000
Northern Virginia Family Service Oakton, VAPublic health benefits & insurance navigation ($25,343); operating support ($227,500)$252,843
Action in Community Through Service Inc Dumfries, VAOperating Support$250,000
Pathway Homes Fairfax, VAOperating Support$250,000
The Arc of Greater Prince William Dale City, VAOperating Support$250,000
The House Student Leadership Center Woodbridge, VAOperating Support$250,000
Youth for Tomorrow Bristow, VABehavioral healthcare and substance abuse treatment services ($175,000); operating support ($72,280)$247,280
Virginia Poverty Law Center Richmond, VAEnroll Va Potomac Program$192,135
Institute of Public Health Innovation Washington, DCCapacity Building$178,574
The Fenwick Foundation Arlington, VAProject Adapt - Oral Care for Low-Resource Adults$167,500
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$109,573,060$9,728,411$10,101,437$5,865,52255$6,419,441$9,910,739$5,215,195
2023$107,812,905$5,225,318$7,771,406$5,972,30285$6,575,677$5,025,776$5,158,634
2022$104,353,678$6,009,190$6,391,863$6,744,28779$7,144,678$6,024,161$5,462,978
2021$124,789,436$8,932,196$12,104,869$6,238,64594—$8,453,413$5,832,742
2020$109,559,427$8,653,933$6,410,461$5,181,82191—$7,630,888$5,438,391

Under IRS private-foundation payout rules, Potomac Health Foundation reported a distributable amount of $5.2M for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated October 2026.

Mission & Focus Areas

The foundation states its mission as improving community health by increasing access to health care for the medically underserved. Its 2021–2022 report identifies access to health care, mental health, and capacity building among its grant areas. In 2024, grants included operating support, crisis receiving and stabilization, behavioral health and substance abuse treatment, oral care for low-resource adults, and health benefits and insurance navigation.

Grantees’ own missions illustrate the range of organizations receiving support. Pathway Homes says it provides long-term housing, supportive services, and supervision to adults with serious mental illness. The Chris Atwood Foundation says it strengthens the addiction recovery movement through education, stigma reduction, and recovery support services. NOVA ScriptsCentral describes itself as a charitable pharmacy providing medicines and health services to uninsured and underinsured Northern Virginia residents. Other 2024 grantees included organizations whose stated missions address poverty, legal aid, child protection, and community college student success.

Grantmaking

In filing year 2024, the foundation reported 55 grants totaling $5,865,522. Grants ranged from $15,000 to $500,000, with a median of $84,100. The largest grant was $500,000 to Prince William County Community Services for a crisis receiving and stabilization center. Other large awards included $252,843 to Northern Virginia Family Service, $250,000 each to Action in Community Through Service, Pathway Homes, The Arc of Greater Prince William, and The House Student Leadership Center, and $247,280 to Youth for Tomorrow.

Additional 2024 recipients included the Virginia Poverty Law Center ($192,135), Institute of Public Health Innovation ($178,574), The Fenwick Foundation ($167,500), George Mason University Office of Sponsored Programs ($150,000), and Legal Aid Justice Center ($150,000).

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Erin Thomas-Matthews as executive director; Marion M. Wall as chair; Carol S. Shapiro, MD, MBA, as vice-chair; Gayle Whitlock as treasurer; and Wayne Mallard as secretary. It also lists Carlos Castro, Paul Gaden, Sam Hill, EdD, Debra Lee, MD, and Phyllis Morgan, PhD, as directors.

Potomac Health Foundation is led by Erin Thomas-Matthews, Executive Director on every filing since 2023; 1 of 16 officers listed in 2024 is compensated.

Officers on the 2024 filing

  • Erin Thomas-Matthews

    Executive Director

    On filings since 2023

    40 hrs/week

    $102K (2023) → $142K (2024)

  • Marion M. Wall

    Chair

    On filings since 2020

    4 hrs/week

    No compensation reported

  • R. Michael Sorensen

    Director

    Treasurer → Director, 2024

    On filings since 2020

    1 hr/week

    No compensation reported

  • Sam Hill EdD

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Sarah Pitkin PhD

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • William M. Moss

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Paul Gaden

    Director

    On filings since 2021

    1 hr/week

    No compensation reported

  • Clarice Torian Med

    Director

    On filings since 2022

    1 hr/week

    No compensation reported

  • Phyllis Morgan PhD

    Director

    On filings since 2022

    1 hr/week

    No compensation reported

  • Alice Tang DO MBA

    Director to January

    Director → Director to January, 2024

    On filings since 2023

    1 hr/week

    No compensation reported

  • Carlos Castro

    Director

    On filings since 2023

    1 hr/week

    No compensation reported

  • Wiliam C. Reha MD MBA

    Director

    On filings since 2023

    1 hr/week

    No compensation reported

  • Debra Lee MD

    Director

    New on the 2024 filing

    1 hr/week

    No compensation reported

  • Carol S. Shapiro MD MBA

    Vice Chair

    On filings since 2020

    4 hrs/week

    No compensation reported

  • Wayne Mallard

    Secretary

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Gayle Whitlock

    Treasurer

    Director → Treasurer, 2024

    On filings since 2023

    3 hrs/week

    No compensation reported

Former officers (6)
  • Former: Steven Liga (2022–2023) — Executive Director to Jul
  • Former: Howard L. Greenhouse (2020–2022) — Director Emeritus to Aug
  • Former: Susie Lee (2020–2022) — Executive Director to Jul
  • Former: Kathie Johnson (2021–2022) — Director
  • Former: Ala S. Mortazavi MD (2022) — Director
  • Former: Megan Perry (2020) — Director

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2024 IRS filing

Erin Thomas-Matthews — Executive Director: $142KErin Thomas-MatthewsExecutive Director$142K

The highest reported compensation on the 2024 filing was $142K, to Erin Thomas-Matthews (Executive Director).

Frequently asked questions about Potomac Health Foundation

How much does Potomac Health Foundation give each year?

Potomac Health Foundation gave $5.9M across 55 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $6.0M across 85 grants.

What is Potomac Health Foundation's typical grant size?

Potomac Health Foundation's median grant in 2024 was $84,100, and its average grant was $106,646, across 55 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Potomac Health Foundation that year got $48K on average.

Where does Potomac Health Foundation give grants?

Potomac Health Foundation gives mostly in Virginia: 89% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was District of Columbia (11%). The most frequent recipient cities were Woodbridge, VA (10 grants), Washington, DC (7 grants), Manassas, VA (6 grants) and Dumfries, VA (4 grants).

Does Potomac Health Foundation give general operating support?

Yes: 35% of Potomac Health Foundation's 2024 grants with a stated purpose (19 of 55) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are Potomac Health Foundation's largest grantees?

Potomac Health Foundation's largest 2024 grantees include Prince William County Community Services ($500,000), Northern Virginia Family Service ($252,843) and Action in Community Through Service Inc ($250,000), according to its 2024 IRS Form 990-PF. Together they received 17% of its itemized 2024 grant dollars.

How large is Potomac Health Foundation?

Potomac Health Foundation reported $109.6M in total assets on its 2024 IRS Form 990-PF. It paid out $6.4M in qualifying distributions that year, against a required minimum of $5.2M (roughly 5% of its investment assets).

What does Potomac Health Foundation fund?

The foundation states its mission as improving community health by increasing access to health care for the medically underserved. Its 2021–2022 report identifies access to health care, mental health, and capacity building among its grant areas. See mission & focus areas ↑

How do I apply for a grant from Potomac Health Foundation?

The filing says applications are submitted online through the foundation’s website, with announcements sent in December and applications submitted in the spring. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Potomac Health Foundation's EIN?

Potomac Health Foundation's EIN (Employer Identification Number) is 52-1340920. IRS Form 990 filing data is available on this page for 2020–2024.

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated October 2026.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Live grants for the work Potomac Health Foundation funds

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Cite this profile

Grantable. (2026). Potomac Health Foundation funder profile. GrantGraph. Retrieved October 23, 2026, from https://grantable.co/funders/potomac-health-foundation-morg_5e9739a5824d4855a6ded3eccb55bc89

BibTeX
@misc{grantable_521340920_2026,
  author       = {{Grantable}},
  title        = {{Potomac Health Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/potomac-health-foundation-morg_5e9739a5824d4855a6ded3eccb55bc89},
  note         = {Accessed 2026-10-23. 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 Potomac Health Foundation'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.

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