Potomac Health Foundation is based in Woodbridge, Virginia, and its mission is to improve community health by increasing access to health care for medically underserved people. Its grants have supported health care access, mental and behavioral health, community wellness, oral health, and nonprofit capacity building. Its IRS filing type is 990T.
Key facts about Potomac Health Foundation
In short: Potomac Health Foundation gave $5.9M across 55 grants in 2024 (avg $107K), mostly in Virginia. 15% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- EIN
- 52-1340920
- Latest 990 filing
- Form 990-PF, 2024
- Annual giving (2024)
- $5,865,522
- Grants made (2024)
- 55
- Average grant
- $106,646
- Median grant
- $84,100
- New grantees (estimate)
- 15% first-time grantees (8 of 55, 2024)
- Total assets
- $109,573,060
- Primary geography
- Virginia (89% of itemized 2024 grant dollars)
Data from IRS Form 990-PF, 2024; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$109.6M
+1.6% YoY
Annual Giving
$5.9M
-1.8% YoY
Grant Count
55
-35.3% YoY
Avg Grant Size
$107K
+51.8% YoY
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.
Is Potomac Health Foundation open to new grantees?
15%
first-time grantees, 2024
In 2024, 8 of 55 grantees (15%) were first-time recipients. First grants averaged $47K; repeat grants $117K. How we count
Medians: $35K first-time, $100K repeat.
- 82% 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.
Mission & Focus Areas
The foundation’s stated mission is “to improve the health of the community by increasing access to health care for the medically underserved.” Its grantmaking has included support for health care access, mental and behavioral health, oral health, community wellness, and capacity building. Its currently described Howard L. Greenhouse Large Grant Program also lists primary health care clinics, prescription medication access, and food programs among its focus areas.
Grantees’ own missions illustrate the range of organizations supported. Pathway Homes says it provides housing, supportive services, and supervision to adults with serious mental illness. The Chris Atwood Foundation describes its work as strengthening addiction recovery through education, stigma reduction, and recovery support services. NOVA ScriptsCentral says it provides medicines and health services to uninsured and underinsured Northern Virginia residents. Lorton Community Action Center says it provides food, basic needs, and self-sufficiency programs.
Grantmaking
In filing year 2024, the foundation reported 55 grants totaling $5,865,522. Grant amounts ranged from $15,000 to $500,000, with a median of $84,100. The Howard L. Greenhouse Large Grant Program is described as active, with awards of $25,000–$250,000. For the 2025–2026 cycle, it offers one-time, project-based grants; the foundation states that 2026–2027 grants will also be project-based.
Open Grants
1 open opportunity from Potomac Health Foundation
Ready to take the next step with Potomac Health Foundation?
Geographic Focus
Where this funder awards grants
The foundation’s 2018 annual report identifies its service area as eastern Prince William County, southern Fairfax County, and north Stafford County, Virginia. In 2024, 89% of grant dollars went to recipients in Virginia and 11% to recipients in the District of Columbia.
Grant Distribution by State
Share of 2024 grant dollars across all 55 itemized grants.
Cities
Giving Over Time
Total grant dollars and number of grants per year
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.
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
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
The most common grant size was under $50K: 208 grants of 404 (51%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Prince William County Community Services Manassas, VA | Crisis Receiving and Stabilization Center | $500,000 |
| Northern Virginia Family Service Oakton, VA | Public health benefits & insurance navigation ($25,343); operating support ($227,500) | $252,843 |
| Action in Community Through Service Inc Dumfries, VA | Operating Support | $250,000 |
| Pathway Homes Fairfax, VA | Operating Support | $250,000 |
| The Arc of Greater Prince William Dale City, VA | Operating Support | $250,000 |
| The House Student Leadership Center Woodbridge, VA | Operating Support | $250,000 |
| Youth for Tomorrow Bristow, VA | Behavioral healthcare and substance abuse treatment services ($175,000); operating support ($72,280) | $247,280 |
| Virginia Poverty Law Center Richmond, VA | Enroll Va Potomac Program | $192,135 |
| Institute of Public Health Innovation Washington, DC | Capacity Building | $178,574 |
| The Fenwick Foundation Arlington, VA | Project Adapt - Oral Care for Low-Resource Adults | $167,500 |
Financial History
Multi-year comparison from IRS filings
| Filing year | Assets | Revenue | Expenses | Grant sum |
|---|---|---|---|---|
| 2024 | $109,573,060 | $9,728,411 | $10,101,437 | $5,865,522 |
| 2023 | $107,812,905 | $5,225,318 | $7,771,406 | $5,972,302 |
| 2022 | $104,353,678 | $6,009,190 | $6,391,863 | $6,744,287 |
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $109,573,060 | $107,812,905 | $104,353,678 |
| Revenue | $9,728,411 | $5,225,318 | $6,009,190 |
| Expenses | $10,101,437 | $7,771,406 | $6,391,863 |
| Qualifying Distributions | $6,419,441 | $6,575,677 | $7,144,678 |
| Net Investment Income | $9,910,739 | $5,025,776 | $6,024,161 |
| Distributable Amount | $5,215,195 | $5,158,634 | $5,462,978 |
Data update history
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Erin Thomas-Matthews as executive director. Listed board officers are Marion M. Wall, chair; Carol S. Shapiro, MD, MBA, vice-chair; Gayle Whitlock, treasurer; and Wayne Mallard, secretary. Other directors listed are Carlos Castro, Paul Gaden, Sam Hill, EdD, Debra Lee, MD, and Phyllis Morgan, PhD.
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
The highest reported compensation on the 2024 filing was $142K, to Erin Thomas-Matthews (Executive Director).
Contact
Mailing address: 2296 Opitz Blvd 200, Woodbridge, VA 22191
Phone: (703) 523-0620
Website: https://potomachealthfoundation.org
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 $47K 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’s stated mission is “to improve the health of the community by increasing access to health care for the medically underserved.” Its grantmaking has included support for health care access, mental and behavioral health, oral health, community wellness, and capacity building. See mission & focus areas ↑
How do I apply for a grant from Potomac Health Foundation?
Potomac Health Foundation has no public application process in the sources Grantable reviewed. Check potomachealthfoundation.org for current guidelines, or contact the foundation directly before submitting a request.
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 September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
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