Histiocytosis Association Inc
Public records show a registered, tax-exempt organization in good standing.
What it says it does
HISTIOCYTOSIS ASSOCIATION, INC. IS DEDICATED TO RAISING AWARENESS ABOUT HISTIOCYTIC DISORDERS, PROVIDING EDUCATION AND EMOTIONAL SUPPORT, AND FUNDING RESEARCH LEADING TO BETTER TREATMENTS AND A CURE.
- Income
- $1.2 million
- Spending
- $1.3 million
- Spent on programs
- 87%
- Reserves
- 14.2 months of spending
- Largest source of income
- donations and private grants, 87%
- Employees
- 8
- Volunteers
- 125
- Highest pay
- $105,079, executive director
Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Financial health
Strong: 93 out of 100.
Reserves
35 of 35Spendable reserves would cover 14.2 months of spending.
Debt
20 of 20It owes 13% of what it owns.
Living within its means
8 of 15Spending exceeded income by 4% of income.
Income trend
15 of 15Income rose 1% on the year before.
Spending floor
15 of 1587% of spending went to programs and raising each dollar of donations cost 10 cents.
Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Governance
Strong: 100 out of 100.
Independent board
25 of 2511 of 11 voting board members are independent.
Conflict of interest policy
15 of 15Has a written conflict of interest policy.
Whistleblower policy
8 of 8Has a written whistleblower policy.
Record keeping policy
7 of 7Has a written policy on keeping and destroying records.
Board minutes
5 of 5Keeps minutes of board meetings.
Board sees the tax return
10 of 10Gave the board a copy of this return before filing it.
Pay set independently
5 of 5Sets its chief executive's pay through independent review and comparison.
Independent check of accounts
15 of 15Its accounts were audited by an independent accountant.
No reported misuse
10 of 10Reports no diversion of assets, excess benefits or loans to insiders.
Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Impact evidence
Describes programs. Its tax return describes what it does but we have found no measurable results in it.
Programs described in its return (2)
- $500,883 spent. EDUCATION AND OUTREACH: THE HISTIOCYTOSIS ASSOCIATION PROVIDES EDUCATIONAL INFORMATION AND OPPORTUNITIES TO PATIENTS AND THEIR FAMILIES AS WELL AS TO THE MEDICAL COMMUNITY THROUGH OUR ONLINE PRESENCE AT WWW.HISTIO.ORG, EDUCATIONAL VIDEOS, PRINTED MATERIALS AND ECOMMUNICATIONS. WE PROVIDE EMOTIONAL SUPPORT WITH OUR CIRCLE OF FRIENDS PROGRAM, SOCIAL MEDIA ACTIVITY, TELEPHONE-BASED HELPLINE AND HISTIO WARRIORS DIRECTORY WHICH CONNECTS PATIENTS AND FAMILIES IN A PRIVATE AND SECURE SETTING. THROUGH OUR PHYSICIAN DIRECTORY, PATIENTS AND DOCTORS ALIKE CAN FIND EXPERIENCED PHYSICIANS IN THEIR AREA. WE ADVOCATE FOR PATIENTS WITH HISTIOCYTIC DISORDERS THROUGHOUT THE YEAR, PARTICULARLY DURING SEPTEMBER HISTIOCYTOSIS AWARENESS MONTH, TO RAISE FUNDS AND AWARENESS ABOUT THESE RARE DISORDERS.
- $618,724 spent. RESEARCH INITIATIVES: WE FUND THE VERY BEST BASIC SCIENCE RESEARCH BEING CONDUCTED WORLDWIDE AS IDENTIFIED THROUGH A COMPETITIVE EVALUATION PROCESS; THE RESULTS OF THIS FUNDING CONTINUE TO PAVE THE PATH TO A CURE. WE FUND CLINICAL STUDIES THAT RESULT IN IDENTIFYING THE BEST POSSIBLE TREATMENTS FOR HISTIOCYTIC DISORDERS; THIS PROVIDES IMMEDIATE AID TO PATIENTS BATTLING THESE DISEASES. AND WE DIRECTLY FACILITATE RESEARCH BY MANAGING THE HISTIOCYTE SOCIETY, THE ONLY PROFESSIONAL MEDICAL ORGANIZATION SPECIFICALLY DEDICATED TO THE RESEARCH AND TREATMENT OF HISTIOCYTIC DISORDERS; THIS UNIQUE RELATIONSHIP PROVIDES US WITH UNPARALLELED ACCESS TO THE LATEST ADVANCEMENTS AND INFORMATION IN THE SCIENTIFIC COMMUNITY, FROM WHICH ALL PATIENTS CAN BENEFIT.
Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Legitimacy checks
Is it registered with the IRS? Passed.
Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Has the IRS revoked its tax-exempt status? Passed.
Not on the IRS automatic revocation list.
Source: Automatic revocation of exemption list, Internal Revenue Service, file dated November 6, 2026.
Are donations tax-deductible? Passed.
On the IRS list of organizations eligible to receive tax-deductible contributions.
Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated October 13, 2026.
Is it keeping up with its IRS filings? Passed.
Most recent return on file covers the year ending December 2024.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
How long has it been tax-exempt? Passed.
Recognized by the IRS since May 1988.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
Is it in good standing with state regulators? Passed.
Not on California's list of charities barred from soliciting. Other states are not yet checked.
Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated November 4, 2026.
Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.