Mark Twain Medical Center Foundation
Public records show a registered, tax-exempt organization in good standing.
What it says it does
The purpose of Mark Twain Foundation is to develop resources, funding, and community support for the benefit of the Mark Twain Medical Center; to engage in and conduct charitable activities; and to promote or carry on such activities as may be deemed advisable for the betterment of the general health of the community served.
- Income
- $1.3 million
- Spending
- $2.4 million
- Spent on programs
- 97%
- Reserves
- 6.9 months of spending
- Largest source of income
- government grants, 40%
- Employees
- 0
- Volunteers
- 8
- Highest pay
- $225,211, cpo
Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Financial health
Good: 78 out of 100. Higher than 54% of charities in its peer group (health care, $1m to $10m).
Reserves
28 of 35Spendable reserves would cover 6.9 months of spending.
Debt
20 of 20It owes 0% of what it owns.
Living within its means
0 of 15Spending exceeded income by 87% of income.
Income trend
15 of 15Income rose 19% on the year before.
Spending floor
15 of 1597% of spending went to programs and raising each dollar of donations cost 0 cents.
Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate
Governance
Strong: 92 out of 100. Higher than 52% of charities in its peer group (health care, $1m to $10m).
Independent board
25 of 258 of 8 voting board members are independent.
Conflict of interest policy
15 of 15Has a written conflict of interest policy.
Whistleblower policy
0 of 8Reports no 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 June 30, 2025, 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 (1)
- $2.4 million spent. The Foundation's purpose is to provide community outreach in order to obtain public support for the Medical Center. Various contributions are made to the Medical Center to help support care.In 2007, the Foundation began the transition from an event oriented fundraising organization to one which is donor oriented. Late in the year, it kicked off a campaign to raise over one million dollars toward the purchase of two digital mammography machines for the benefit of women's health.In September 2012, the Foundation engaged Neztel Grisby and Associates, a professional fundraising organization, to help coordinate a capital campaign to build a State of the Art Medical Center in Angels Camp, CA. The campaign has a goal of $2.3 million; the contract expires September 2014. The capital campaign was completed during the fiscal year ended June 30, 2016.The Foundation continues to support the Mark Twain Medical Center by raising funds for various building projects, patient assistance funds, the cancer center, telehealth, imaging technology, spiritual care, pharmacy fund, and women's health.
Source: Form 990 for the year ending June 30, 2025, 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 June 2025.
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 June 1984.
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.
Could it be confused with another charity? Worth knowing.
A much larger organization has a similar name: Mark Twain Medical Center (Phoenix, AZ), EIN 68-0127677. If that is the one you meant, check the EIN before giving.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 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.