Nonprofit · EIN 56-1374863
AMERICAN ASSOCIATION OF MEDICAL DOSIMETRISTS
Tax-exempt · HERNDON, VA 20171
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| September 30, 2025 | 990 | $1,427,827 | $1,364,648 | $63,179 | $1,814,940 | $214,680 | $1,600,260 |
| September 30, 2024 | 990 | $1,265,402 | $1,322,914 | -$57,512 | $1,665,778 | $202,673 | $1,463,105 |
| September 30, 2023 | 990 | $1,291,111 | $1,180,676 | $110,435 | $1,613,261 | $199,842 | $1,413,419 |
Financial details: 990 for the year ended September 30, 2025
Revenue
- Contributions, gifts and grants
- $0
- Program service revenue
- $1,410,881
- Investment income
- $16,946
- Net gain from sales of assets
- -$41,921
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $51,000
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Legal fees
- $6,264
- Accounting fees
- $48,688
- Travel
- $42,541
- Depreciation
- $55
Balance sheet and other
- Total assets, start of year
- $1,665,778
- Total assets, end of year
- $1,814,940
- Total liabilities, end of year
- $214,680
- Net assets, end of year
- $1,600,260
- Publicly traded securities
- $1,413,282
- Net assets without donor restrictions
- $1,600,260
- Gross unrelated business income
- $41,302
- Gross receipts
- $1,636,961
- Employees
- 0
- Volunteers
- 135
- Year formed
- 1975
- State of legal domicile
- VA
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended September 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| RYAN MOROOSE | PRESIDENT (AS OF 8/1/25) Trustee or director, Officer | 2 | $0 |
| LINNAE CAMPBELL | PRESIDENT-ELECT (AS OF 8/1/25) Trustee or director, Officer | 2 | $0 |
| MARK LITTELL | IMMEDIATE PAST PRESIDENT Trustee or director, Officer | 2 | $0 |
| ADAM BROWN | TREASURER Trustee or director, Officer | 2 | $0 |
| MICHELLE MUNDIS MYERS | SECRETARY Trustee or director, Officer | 2 | $0 |
| JIBIN THOMAS | REGIONAL DIRECTOR (AS OF 8/1/25)) Trustee or director | 1 | $0 |
| MADISON FLETCHER-MASON | REGIONAL DIRECTOR (UNTIL 7/31/25) Trustee or director | 1 | $0 |
| RICK SCHERER | MEMBER-AT-LARGE (UNTIL 7/31/25) Trustee or director | 1 | $0 |
| MAHSA DEHGHANPOUR | MEMBER-AT-LARGE (AS OF 8/1/25) Trustee or director | 1 | $0 |
| AKHIL TIWARI | MEMBER-AT-LARGE (AS OF 8/1/25) Trustee or director | 1 | $0 |
| STACEY WILSON | EXECUTIVE DIRECTOR Officer | 40 | $0 |
990 for the year ended September 30, 2024: 10 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARK LITTELL | PRESIDENT Trustee or director, Officer | 2 | $0 |
| RYAN MOROOSE | PRESIDENT-ELECT Trustee or director, Officer | 2 | $0 |
| KRISTI SMITH | IMMEDIATE PAST PRESIDENT Trustee or director, Officer | 2 | $0 |
| ADAM BROWN | TREASURER Trustee or director, Officer | 2 | $0 |
| CRYSTAL BULL | SECRETARY (UNTIL 7/31/24) Trustee or director, Officer | 2 | $0 |
| MICHELLE MUNDIS | SECRETARY (AS OF 8/1/24) Trustee or director, Officer | 2 | $0 |
| RICK SCHERER | MEMBER-AT-LARGE Trustee or director | 1 | $0 |
| LINNAE CAMPBELL | MEMBER-AT-LARGE Trustee or director | 1 | $0 |
| MADISON FLETCHER-MASON | REGIONAL DIRECTOR Trustee or director | 1 | $0 |
| STACEY WILSON | EXECUTIVE DIRECTOR Officer | 40 | $0 |
990 for the year ended September 30, 2023: 11 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ADAM BROWN | PRESIDENT (UNTIL 7/31/23) Trustee or director, Officer | 2 | $0 |
| KRISTI SMITH | PRESIDENT (AS OF 8/1/23) Trustee or director, Officer | 5 | $0 |
| MARK LITTELL | PRESIDENT-ELECT(AS OF 8/1/23) Trustee or director, Officer | 2 | $0 |
| BRIAN NAPOLITANO | IMMEDIATE PAST PRES (UNTIL 7/31/23) Trustee or director, Officer | 2 | $0 |
| CRYSTAL BULL | SECRETARY Trustee or director, Officer | 2 | $0 |
| RYAN MOROOSE | TREASURER Trustee or director, Officer | 2 | $0 |
| RICK SCHERER | MEMBER-AT-LARGE Trustee or director | 1 | $0 |
| LINNAE CAMPBELL | MEMBER-AT-LARGE Trustee or director | 1 | $0 |
| MADISON FLETCHER-MASON | REGIONAL DIRECTOR (AS OF 8/1/23) Trustee or director | 1 | $0 |
| VALERIE COFFMAN | MEMBER-AT-LARGE (UNTIL 7/31/23) Trustee or director | 1 | $0 |
| STACEY WILSON | EXECUTIVE DIRECTOR Officer | 40 | $0 |
Address and contacts
- Address (IRS master file)
- 2201 COOPERATIVE WAY, HERNDON, VA 20171-4583
- In care of
- % DMG
- Principal officer (990 for 2024)
- ADAM BROWN, 2201 COOPERATIVE WAY, HERNDON, VA 20171
- Signed the 990
- ADAM BROWN, TREASURER
- Phone
- (703) 677-8071
- Website
- MEDICALDOSIMETRY.ORG
- Return prepared by
- RENNER AND COMPANY CPA PC
Mission
THE AAMD IS THE PRIMARY RESOURCE FOR MEDICAL DOSIMETRISTS AND TREATMENT PLANNERS THROUGHOUT THE WORLD. WE ARE THE ONLY PROFESSIONAL ASSOCIATION DEVOTED EXCLUSIVELY TO PROMOTING AND SUPPORTING THE MEDICAL DOSIMETRY AND TREATMENT PLANNING PROFESSION.
Program accomplishments
- ANNUAL AND REGIONAL MEETINGSTHE ASSOCIATION PROVIDES IN-PERSON EVENTS FOR MEDICAL DOSIMETRY CONTINUING EDUCATION, INCLUDING AN ANNUAL MEETING AND IN SOME YEARS, A REGIONAL MEETING. THE ASSOCIATION ALSO OFFERS OTHER VIRTUAL LEARNING ACTIVITIES DURING THE YEAR.
- PUBLICATIONTHE ASSOCIATION PROVIDES INFORMATION THROUGH THE PRODUCTION OF MEDICAL DOSIMETRY, A QUARTERLY PEER-REVIEWED JOURNAL FOCUSED ON MEDICAL DOSIMETRY AND RELATED ISSUES IN RADIATION ONCOLOGY.
- EDUCATION THE ASSOCIATION PROVIDES CONTINUING EDUCATION THROUGH THE ONLINE AAMD CE ("CONTINUING EDUCATION") CENTER FOR MEDICAL DOSIMETRISTS TO MAINTAIN THEIR PROFESSIONAL CREDENTIALS.
- OUTREACHTHE ASSOCIATION PROVIDES A REPRESENTATIVE VOICE FOR MEDICAL DOSIMETRISTS IN THE RADIATION ONCOLOGY COMMUNITY BY COLLABORATING WITH RELATED SOCIETIES ON ISSUES OF COMMON INTEREST. THE ASSOCIATION ALSO WORKS WITH EDUCATORS AND STUDENTS TO PROMOTE MEDICAL DOSIMETRY AS A POTENTIAL CAREER PATH.
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in September, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | September 30, 2026 | February 16, 2027 | Not due yet |
| 2024 | September 30, 2025 | February 17, 2026 | 990 on file |
| 2023 | September 30, 2024 | February 18, 2025 | 990 on file |
IRS record
- EIN
- 56-1374863
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Exempt since
- 1984
- Accounting year ends
- September
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $1,814,940
- Income (IRS master file)
- $1,636,961
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | September 2025 | $1,427,827 | $1,364,648 | $1,814,940 | XML |
| 990 | September 2024 | $1,265,402 | $1,322,914 | $1,665,778 | XML |
| 990 | September 2023 | $1,291,111 | $1,180,676 | $1,613,261 | XML |
| 990 | September 2022 | $1,105,260 | $1,097,043 | $1,438,303 | IRS |
| 990 | September 2021 | – | – | – | IRS |
| 990 | September 2020 | – | – | – | IRS |
| 990 | September 2019 | – | – | – | IRS |
| 990 | September 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 56-1374863).
Questions about AMERICAN ASSOCIATION OF MEDICAL DOSIMETRISTS
- What is the EIN of AMERICAN ASSOCIATION OF MEDICAL DOSIMETRISTS?
- The employer identification number (EIN) of AMERICAN ASSOCIATION OF MEDICAL DOSIMETRISTS is 56-1374863.
- Is AMERICAN ASSOCIATION OF MEDICAL DOSIMETRISTS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1984.
- Which annual return does AMERICAN ASSOCIATION OF MEDICAL DOSIMETRISTS file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of AMERICAN ASSOCIATION OF MEDICAL DOSIMETRISTS due?
- The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did AMERICAN ASSOCIATION OF MEDICAL DOSIMETRISTS last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended September 2025.
- Who is the principal officer of AMERICAN ASSOCIATION OF MEDICAL DOSIMETRISTS?
- The 990 for the year ended September 30, 2025 names ADAM BROWN.
- Who are the officers and directors of AMERICAN ASSOCIATION OF MEDICAL DOSIMETRISTS?
- The 990 for the year ended September 30, 2025 lists 11 people; 0 received compensation from the organization.
- How much revenue does AMERICAN ASSOCIATION OF MEDICAL DOSIMETRISTS have?
- On its 990 for the year ended September 30, 2025 it reported revenue of $1,427,827, expenses of $1,364,648 and total assets of $1,814,940 at year end.
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