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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 20-5765339

SOUTH TEXAS INSTITUTES OF HEALTH INC

Tax-exempt · AUSTIN, TX 78701

Financials

$27K$6K2023$0$2K2024$0$3K2025
Revenue Expenses · by fiscal year end
Financials of SOUTH TEXAS INSTITUTES OF HEALTH INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$0$2,653-$2,653$0–$0
December 31, 2024990-EZ$0$1,658-$1,658$2,653–$2,653
December 31, 2023990-EZ$26,530$6,468$20,062$12,389$8,078$4,311
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Expenses

Compensation of officers, directors and key employees
$0
Professional fees and payments to contractors
$2,652
Other expenses
$1
Program services (functional)
$2,653

Balance sheet and other

Total assets, start of year
$2,653
Total assets, end of year
$0
Total liabilities, end of year
–
Net assets, end of year
$0

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-EZ for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
ALONZO CANTUVice President1$0
STEVEN STOLTZPresident & CEO10$0
LORI LIZAKSecretary5$0
990-EZ for the year ended December 31, 2024: 3 people
NameTitleHours / weekCompensation
ALONZO CANTUVice President1$0
STEVEN STOLTZPresident & CEO40$0
LORI LIZAKSecretary40$0
990-EZ for the year ended December 31, 2023: 3 people
NameTitleHours / weekCompensation
ALONZO CANTUVice President1$0
STEVEN STOLTZPresident & CEO40$0
LORI LIZAKSecretary40$0

Address and contacts

Address (IRS master file)
555 E 5TH ST APT 821, AUSTIN, TX 78701-3959
Signed the 990-EZ
STEVEN STOLTZ, President
Phone
(888) 648-3390
Return prepared by
ABIGAIL Y MURRAY CPA LLC

Mission

MEDICAL RESEARCH AND CLINICAL TRIAL OPPORTUNITIESEDUCATIONAL PROGRAMS AND COMMUNITY OUTREACH ON NUTRITION AND WELLNESS

990-EZ for the year ended December 31, 2025

Program accomplishments

  • MEDICAL RESEARCH AND CLINICAL TRIAL OPPORTUNITIES EDUCATIONAL PROGRAMS AND COMMUNITY OUTREACH ON NUTRITION AND WELLNESS
    Expenses $2,653

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-EZ on file
2024December 31, 2024May 15, 2025990-EZ on file
2023December 31, 2023May 15, 2024990-EZ on file

File the 2026 990-N for SOUTH TEXAS INSTITUTES OF HEALTH INC

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
20-5765339
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
2008
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Health care (E22)
Assets (IRS master file)
$1

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025$0$2,653$0XML
990-EZDecember 2024$0$1,658$2,653IRS
990-EZDecember 2023$26,530$6,468$12,389XML
990-EZDecember 2022–––IRS
990-EZDecember 2021–––IRS
990-EZDecember 2020–––IRS
990-EZDecember 2018–––IRS
990-EZDecember 2017–––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 20-5765339).

Questions about SOUTH TEXAS INSTITUTES OF HEALTH INC

What is the EIN of SOUTH TEXAS INSTITUTES OF HEALTH INC?
The employer identification number (EIN) of SOUTH TEXAS INSTITUTES OF HEALTH INC is 20-5765339.
Is SOUTH TEXAS INSTITUTES OF HEALTH INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2008.
Are donations to SOUTH TEXAS INSTITUTES OF HEALTH INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SOUTH TEXAS INSTITUTES OF HEALTH INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SOUTH TEXAS INSTITUTES OF HEALTH INC 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 SOUTH TEXAS INSTITUTES OF HEALTH INC last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
Who are the officers and directors of SOUTH TEXAS INSTITUTES OF HEALTH INC?
The 990-EZ for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does SOUTH TEXAS INSTITUTES OF HEALTH INC have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $0, expenses of $2,653 and total assets of $0 at year end.

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