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Charles H Tweed International Foundation for Orthodontic Researc

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Health Tucson, AZ EIN: 956055543 (IRS) Sign up to see website
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90
Integrity Assessment
Strong transparency
90/100 · methodology

About Charles H Tweed International Foundation for Orthodontic Researc

We extend a sincere invitation to join the Foundation in its pursuit of excellence in orthodontic diagnosis and treatment.

Founded
Headquarters
Tucson, AZ
Foundation type
Supporting organization (509(a)(3))
NTEE code
H9XZ
IRS subsection
501(c)(03)
Ruling date
Size
medium

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 1947

Mission

See Schedule O

Focus areas & reach

· What they work on and where
❤️ Health · NTEE H9XZ
Cause tags
SDG alignment The 17 UN Sustainable Development Goals (SDGs) are the global agenda for ending poverty, protecting the planet, and ensuring prosperity by 2030. We tag each charity to the goals its work advances.

How it stacks up against peers

· vs. 8 similar health in United States
Program spending This charity: 73%
Peer average: 81%
CEO comp as % of revenue This charity: 6.48%
Peer average: 0.48%
Integrity Assessment This charity: 90
Peer average: 90

Concerns

· None found
No red flags found
Screened for IRS revocation history, Open investigations, Governance scandals, Related-party deals, Excessive exec comp.

Where every $1 goes

· FY2025 · IRS 990 (FY2025)
$0.73
Program$0.73

GiveRadar Analysis

Original analysis from GiveRadar's dataset of comparable organizations

From what GiveRadar has verified so far, Charles H Tweed International Foundation for Orthodontic Researc has a complete profile, cross-referenced across 3 independent sources including the IRS.

  • Established in 1947, it is among the oldest health charities in the United States GiveRadar tracks. View this cohort
  • It has more complete contact information than nearly all comparable organizations, with a verified website, email, phone and address on record. See national comparisons
  • Its integrity score of 90 places it in the top 1% of the 98,862 health charities in the United States GiveRadar tracks, because GiveRadar has verified its financial disclosures and its governance. View this cohort
GiveRadar has verified
  • government registration
  • financial records (5 filed years)
  • disclosed leadership
  • a website
  • a contact email
  • third-party accreditation
Not yet verified by GiveRadar
  • a donation page
  • an owner-submitted profile claim

Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.

Common questions

· Auto-generated from filings + methodology

Charles H Tweed International Foundation for Orthodontic Researc is a registered health nonprofit based in Tucson, AZ, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1947 and has been operating for 79 years. Its EIN is 956055543. According to GiveRadar's records, it holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. GiveRadar's Integrity Assessment for the organization is 90/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $1M in annual revenue. 15 officers and directors are publicly disclosed. No red flags have been detected.

Charles H Tweed International Foundation for Orthodontic Researc's EIN (Employer Identification Number) is 956055543. This is the organization's IRS tax identification number; you can use it to verify tax-exempt status and to look up its Form 990 filings with the IRS.

Charles H Tweed International Foundation for Orthodontic Researc has a GiveRadar Integrity Assessment of 90/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 90 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. For comparison, the average integrity assessment for health charities in United States is 90/100.

Charles H Tweed International Foundation for Orthodontic Researc is located in Tucson, AZ, United States. The organization was established in 1947 and has been active for 79 years.

Based on official tax filings, Charles H Tweed International Foundation for Orthodontic Researc has $1M in annual revenue. It allocates 73% of expenses to programs and services. This is below the average of 81% for health charities in United States. Its revenue is below the peer average of $41M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Charles H Tweed International Foundation for Orthodontic Researc is classified as a Health organization, registered in United States. It operates as a Supporting organization (509(a)(3)). By size, it is categorized as a medium organization. It has $1M in annual revenue. The organization has 15 disclosed officers and directors.

No red flags have been detected for Charles H Tweed International Foundation for Orthodontic Researc. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.

According to GiveRadar's records, Charles H Tweed International Foundation for Orthodontic Researc holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. It is registered with the Internal Revenue Service (IRS). It reports that 73% of expenses go to programs (the peer average is 81%). GiveRadar provides data for research and does not endorse any organization. A GiveRadar Integrity Assessment reflects how much public data is available, not whether an organization is safe to donate to, so it is always smart to do your own research before giving.

We extend a sincere invitation to join the Foundation in its pursuit of excellence in orthodontic diagnosis and treatment. Charles H Tweed International Foundation for Orthodontic Researc is classified as a health organization registered in United States. The organization was founded in 1947.

Among health charities registered in United States: It allocates 73% of expenses to programs, below the peer average of 81%. Its annual revenue of $1M is below the peer average of $41M.

Yes, donations to Charles H Tweed International Foundation for Orthodontic Researc are generally tax-deductible in the United States. Charles H Tweed International Foundation for Orthodontic Researc is a 501(c)(3) tax-exempt organization. Its EIN is 956055543, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Annual revenue
$1M-$10M
73% to programs
Source: IRS 990 (FY2025) why this matters
Unlock exact figures

Filing history

5 years on file from IRS 990 (FY2025): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2025, FY2024, FY2023, FY2022, FY2021.
Financial details are free - with a GiveRadar account

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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Staff & volunteers

From filings and published profiles

Employees
3

Leadership

From FY2025 filing

BO
Bonnie S•••••••
Admin/Exec Director

Officers & trustees (4)

Source: Public filings

See full names, roles, and stories

4 officers and trustees on file - free with a GiveRadar account.

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Latest news

From global news sources

No recent news coverage found

News coverage will appear here when articles mention this organization.

Activity timeline

Filings and press mentions, merged

Form filed
$1.4M revenue
FY2025
IRS 990
Form filed
$1.3M revenue
FY2024
IRS 990
Form filed
$0.7M revenue
FY2023
IRS 990
Form filed
$0.2M revenue
FY2022
IRS 990
Form filed
$1.0M revenue
FY2021
IRS 990

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Cause areas in United States

How many charities work in each area, with this charity's area highlighted.

Human Services 322,679
Education 195,586
Arts & Culture 133,128
Advocacy & Civil Rights 128,026
Religion 114,636
Health this charity 98,862
Community Development 56,086
Youth Development 53,450
See all cause areas in United States

Most common causes in United States

Causes charities work on most, with this charity's causes ticked.

Community Development 235,146
Education 159,016
Religion 103,741
Arts & Culture 101,203
Human Rights 76,926
Health 65,250
Youth Development 47,775
Animal Welfare 32,425

Sources and verification

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2025 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 15 disclosed in the public registry.
Supplementary verification
Charity Navigator

Data freshness

Last updated
Jun 12, 2026
Registry checked
Jun 6, 2026
Profile completeness
90%

What we know and don't know

Exactly which public data we hold on this charity. Our score reflects transparency, not impact.

On record · 10
  • Financial data · FY2025 on record
  • Named leadership · 15 officers on file
  • Executive pay · Disclosed
  • Government registration · Registered with an official registry
  • Mission statement · Published
  • Official website · On record
  • Headquarters address · On file
  • Direct contact · Email or phone published
  • Tax-deductibility · Verified
  • Founding date · 1947
Not available · 1
  • Programs & activities
    No named programs listed by the charity

Methodology

GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.

Read full methodology

Are you the owner or a board member?

If you represent this organization and want to correct or update its data, you can claim this listing to edit details yourself, or email [email protected] with the correct information. We review every request and respond within 30 days.

Quick facts about Charles H Tweed International Foundation for Orthodontic Researc

What is Charles H Tweed International Foundation for Orthodontic Researc?
Charles H Tweed International Foundation for Orthodontic Researc is a health supporting organization (509(a)(3)) based in Tucson, United States. We extend a sincere invitation to join the Foundation in its pursuit of excellence in orthodontic diagnosis and treatment.
When was Charles H Tweed International Foundation for Orthodontic Researc founded?
Charles H Tweed International Foundation for Orthodontic Researc was founded in 1947.
Who leads Charles H Tweed International Foundation for Orthodontic Researc?
Bonnie Shewairy serves as Admin/Exec Director.
Where is Charles H Tweed International Foundation for Orthodontic Researc located?
Headquartered in Tucson, AZ, United States.
What is Charles H Tweed International Foundation for Orthodontic Researc's annual budget?
Annual revenue for fiscal year 2025 is approximately $1M-$10M. 73% of expenses go to program services.
Is Charles H Tweed International Foundation for Orthodontic Researc trustworthy?
Charles H Tweed International Foundation for Orthodontic Researc has a GiveRadar Integrity Assessment of 90 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Charles H Tweed International Foundation for Orthodontic Researc's registration number?
IRS EIN: 956055543.
What is Charles H Tweed International Foundation for Orthodontic Researc's website?
http://www.tweedortho.com