Nonprofit · EIN 06-0636098
AMERICAN ASSOC ON INTELLECTUAL AND DEVELOPMENTAL DISABILITIES
Tax-exempt · SILVER SPRING, MD 20910
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $3,618,506 | $3,660,355 | -$41,849 | $13,231,101 | $1,614,406 | $11,616,695 |
| December 31, 2024 | 990 | $4,575,726 | $3,908,883 | $666,843 | $12,972,135 | $2,048,299 | $10,923,836 |
| December 31, 2023 | 990 | $4,219,682 | $3,739,078 | $480,604 | $11,851,421 | $2,150,848 | $9,700,573 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $3,441
- Program service revenue
- $3,120,781
- Investment income
- $314,062
- Royalties
- $43,821
- Net gain from sales of assets
- $9,542
- Net income from sales of inventory
- $112,808
- Other revenue
- $180,222
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $488,242
- Other salaries and wages
- $849,622
- Salaries, compensation and benefits (total)
- $1,588,678
- Professional fundraising fees
- $0
- Legal fees
- $41,857
- Accounting fees
- $32,857
- Occupancy
- $141,871
- Travel
- $120,795
- Depreciation
- $46,235
- Program services (functional)
- $3,045,999
- Management and general (functional)
- $614,356
Balance sheet and other
- Total assets, start of year
- $12,972,135
- Total assets, end of year
- $13,231,101
- Total liabilities, end of year
- $1,614,406
- Net assets, end of year
- $11,616,695
- Land, buildings and equipment
- $144,545
- Publicly traded securities
- $10,953,031
- Net assets without donor restrictions
- $11,581,069
- Net assets with donor restrictions
- $35,626
- Gross unrelated business income
- $6,287
- Gross receipts
- $3,727,975
- Employees
- 14
- Volunteers
- 20
- Year formed
- 1938
- State of legal domicile
- PA
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 December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| MARGARET A NYGREN EDD FAAIDD | CHIEF EXECUTIVE OFFICER Officer | 40 | $259,689 | $47,819 |
| PAUL D AITKEN | DIRECTOR, FINANCE & ADMINISTRATION Officer | 40 | $158,731 | $22,003 |
| RAVITA MAHARAJ PHD FAAIDD | DIRECTOR, ASSESSMENTS PROGRAM Highest-paid employee | 40 | $125,970 | $22,637 |
| ANTHONY RODRIGUEZ PHD FAAIDD | PRESIDENT Trustee or director, Officer | 3 | $0 | $0 |
| MELISSA A DISIPIO MSA FAAIDD | PRESIDENT UNTIL 06/2025 Trustee or director, Officer | 3 | $0 | $0 |
| VINCENT CHESNEY MS FAAIDD | PRESIDENT ELECT Trustee or director, Officer | 3 | $0 | $0 |
| SARAH HALL PHD FAAIDD | VICE PRESIDENT Trustee or director, Officer | 3 | $0 | $0 |
| JULIE BERSHADSKY PHD FAAIDD | SECRETARY-TREASURER Trustee or director, Officer | 3 | $0 | $0 |
| JUSTIN KUEHL PSYD FAAIDD | MEMBER-AT-LARGE Trustee or director | 3 | $0 | $0 |
| CAROL BRITTON LAWS PHD FAAIDD | MEMBER-AT-LARGE Trustee or director | 3 | $0 | $0 |
| MARY KAY RIZZOLO PHD FAAIDD | MEMBER-AT-LARGE Trustee or director | 3 | $0 | $0 |
| JOYCE S LOUDEN PHD FAAIDD | MEMBER-AT-LARGE UNTIL 06/2025 Trustee or director | 3 | $0 | $0 |
| DAN ZHANG PHD FAAIDD | PAST PRESIDENT UNTIL 06/2025 Trustee or director | 3 | $0 | $0 |
| KRUTI ACHARYA MD FAAIDD | MEMBER-AT-LARGE Trustee or director | 3 | $0 | $0 |
990 for the year ended December 31, 2024: 12 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| MARGARET A NYGREN EDD FAAIDD | CHIEF EXECUTIVE OFFICER Officer | 40 | $251,362 | $88,520 |
| PAUL D AITKEN | DIRECTOR, FINANCE & ADMINI Officer | 40 | $156,946 | $36,965 |
| RAVITA MAHARAJ PHD FAAIDD | DIRECTOR, ASSESSMENTS PROG Highest-paid employee | 40 | $124,562 | $37,187 |
| MELISSA A DISIPIO MSA FAAIDD | PRESIDENT Trustee or director, Officer | 3 | $0 | $0 |
| ANTHONY RODRIGUEZ PHD FAAIDD | PRESIDENT-ELECT Trustee or director, Officer | 3 | $0 | $0 |
| VINCENT CHESNEY MS FAAIDD | VICE PRESIDENT Trustee or director, Officer | 3 | $0 | $0 |
| SARAH HALL PHD FAAIDD | SECRETARY-TREASURER Trustee or director, Officer | 3 | $0 | $0 |
| DAN ZHANG PHD FAAIDD | IMMEDIATE PAST PRESIDENT Trustee or director, Officer | 3 | $0 | $0 |
| KRUTI ACHARYA MD FAAIDD | MEMBER-AT-LARGE Trustee or director | 3 | $0 | $0 |
| JUSTIN KUEHL FAAIDD | MEMBER-AT-LARGE Trustee or director | 3 | $0 | $0 |
| CAROL BRITTON LAWS PDH FAAIDD | MEMBER-AT-LARGE Trustee or director | 3 | $0 | $0 |
| JOYCE S LOUDEN PHD FAAIDD | MEMBER-AT-LARGE Trustee or director | 3 | $0 | $0 |
990 for the year ended December 31, 2023: 13 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| MARGARET A NYGREN EDD | CHIEF EXECUTIVE OFFICER Officer | 40 | $242,819 | $67,272 |
| PAUL D AITKEN | DIRECTOR, FINANCE & ADMINI Officer | 40 | $152,206 | $29,299 |
| RAVITA MAHARAJ | DIRECTOR, ASSESSMENTS PROG Highest-paid employee | 40 | $116,856 | $44,314 |
| KATHLEEN MCLANE | DIRECTOR, PUBLICATIONS PROGRAM Highest-paid employee | 40 | $102,802 | $31,116 |
| DAN ZHANG PHD FAAIDD | PRESIDENT Trustee or director, Officer | 3 | $0 | $0 |
| MELISSA A DISIPIO MSA FAAIDD | PRESIDENT-ELECT Trustee or director, Officer | 3 | $0 | $0 |
| KARRIE SHOGREN PHD FAAIDD | IMMEDIATE PAST PRESIDENT Trustee or director, Officer | 3 | $0 | $0 |
| SARAH HALL PHD FAAIDD | SECRETARY-TREASURER Trustee or director, Officer | 3 | $0 | $0 |
| ANTHONY RODRIGUEZ PHD FAAIDD | VICE PRESIDENT Trustee or director, Officer | 3 | $0 | $0 |
| KRUTI ACHARYA MD | MEMBER-AT-LARGE Trustee or director | 3 | $0 | $0 |
| VINCENT CHESNEY MS FAAIDD | MEMBER-AT-LARGE Trustee or director | 3 | $0 | $0 |
| JOYCE S LOUDEN PHD FAAIDD | MEMBER-AT-LARGE Trustee or director | 3 | $0 | $0 |
| HEATHER J WILLIAMSON DRPH MBA FAA | MEMBER-AT-LARGE Trustee or director | 3 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 8403 COLESVILLE RD STE 900, SILVER SPRING, MD 20910-3369
- Principal officer (990 for 2025)
- MARGARET A NYGREN, 8403 COLESVILLE ROAD 900, SILVER SPRING, MD 20910
- Signed the 990
- MARGARET A NYGREN, CHIEF EXECUTIVE OFFICER
- Phone
- (202) 387-1968
- Website
- WWW.AAIDD.ORG
- Return prepared by
- CLIFTONLARSONALLEN LLP
Mission
TO PROMOTE PROGRESSIVE POLICIES, SOUND RESEARCH, EFFECTIVE PRACTICES, AND UNIVERSAL HUMAN RIGHTS FOR PEOPLE WITH INTELLECTUAL AND DEVELOPMENTAL DISABILITIES.
Program accomplishments
- PUBLICATIONS: AAIDD EDUCATES THE PUBLIC ON AREAS OF INTELLECTUAL AND DEVELOPMENTAL DISABILITIES BOTH THROUGH ITS SCHOLARLY JOURNALS AND ITS BOOK PROGRAM. IN ADDITION, AAIDD OFFERS TOOLS USED BY DISABILITY PROFESSIONALS TO GAUGE THE SUPPORT NEEDED FOR INDIVIDUALS WITH INTELLECTUAL AND DEVELOPMENTAL DISABILITIES TO BE ABLE TO LIVE IN COMMUNITY SETTINGS.Expenses $1,888,360 · revenue $2,059,755
- EDUCATION & TRAINING: IN ORDER TO FULFILL ITS CONSTITUTIONAL DIRECTIVE OF ENCOURAGING RESEARCH AND DISSEMINATING KNOWLEDGE IN THE FIELD OF INTELLECTUAL AND DEVELOPMENTAL DISABILITIES, AMERICAN ASSOCIATION ON INTELLECTUAL AND DEVELOPMENTAL DISABILITIES CONDUCTS TRAINING AND SEMINARS.Expenses $910,842 · revenue $906,647
- MEMBERSHIP: SPECIAL PROJECT ACTIVITIES KEEP MEMBERS INFORMED ON ISSUES THAT AFFECT PEOPLE WITH INTELLECTUAL AND DEVELOPMENTAL DISABILITIES. THE MEMBERSHIP DEPARTMENT PROCESSES EACH MEMBER APPLICATION.Expenses $246,797 · revenue $154,379
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 December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 06-0636098
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1951
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $13,231,101
- Income (IRS master file)
- $3,727,975
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $3,618,506 | $3,660,355 | $13,231,101 | XML |
| 990-T | December 2025 | – | – | – | IRS |
| 990 | December 2024 | $4,575,726 | $3,908,883 | $12,972,135 | IRS |
| 990-T | December 2024 | – | – | – | IRS |
| 990 | December 2023 | $4,219,682 | $3,739,078 | $11,851,421 | XML |
| 990-T | December 2023 | – | – | – | IRS |
| 990 | December 2022 | $3,810,892 | $3,883,398 | $11,011,320 | IRS |
| 990-T | December 2022 | – | – | – | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990-T | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990-T | December 2020 | – | – | – | IRS |
| 990 | December 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 06-0636098).
Questions about AMERICAN ASSOC ON INTELLECTUAL AND DEVELOPMENTAL DISABILITIES
- What is the EIN of AMERICAN ASSOC ON INTELLECTUAL AND DEVELOPMENTAL DISABILITIES?
- The employer identification number (EIN) of AMERICAN ASSOC ON INTELLECTUAL AND DEVELOPMENTAL DISABILITIES is 06-0636098.
- Is AMERICAN ASSOC ON INTELLECTUAL AND DEVELOPMENTAL DISABILITIES tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1951.
- Are donations to AMERICAN ASSOC ON INTELLECTUAL AND DEVELOPMENTAL DISABILITIES tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does AMERICAN ASSOC ON INTELLECTUAL AND DEVELOPMENTAL DISABILITIES 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 ASSOC ON INTELLECTUAL AND DEVELOPMENTAL DISABILITIES due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did AMERICAN ASSOC ON INTELLECTUAL AND DEVELOPMENTAL DISABILITIES last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of AMERICAN ASSOC ON INTELLECTUAL AND DEVELOPMENTAL DISABILITIES?
- The 990 for the year ended December 31, 2025 names MARGARET A NYGREN.
- Who are the officers and directors of AMERICAN ASSOC ON INTELLECTUAL AND DEVELOPMENTAL DISABILITIES?
- The 990 for the year ended December 31, 2025 lists 14 people; 3 received compensation from the organization, the highest $259,689 (MARGARET A NYGREN EDD FAAIDD, CHIEF EXECUTIVE OFFICER).
- How much revenue does AMERICAN ASSOC ON INTELLECTUAL AND DEVELOPMENTAL DISABILITIES have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $3,618,506, expenses of $3,660,355 and total assets of $13,231,101 at year end.
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