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Nonprofit · EIN 41-1235482

AMERICAN OPHTHALMOLOGICAL SOCIETY

Tax-exempt · SAN FRANCISCO, CA 94109

Financials

$244K$565K2023$268K$644K2024
Revenue Expenses · by fiscal year end
Financials of AMERICAN OPHTHALMOLOGICAL SOCIETY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990$268,174$644,437-$376,263$1,068,195$3,029,434-$1,961,239
December 31, 2023990$244,488$565,252-$320,764$1,016,719$2,632,528-$1,615,809
Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$0
Program service revenue
$222,657
Investment income
$45,517
Net gain from sales of assets
$23,850
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$47,500
Salaries, compensation and benefits (total)
$47,500
Professional fundraising fees
$0
Legal fees
$1,134
Accounting fees
$14,365
Travel
$14,457
Program services (functional)
$423,310
Management and general (functional)
$221,127

Balance sheet and other

Total assets, start of year
$1,016,719
Total assets, end of year
$1,068,195
Total liabilities, end of year
$3,029,434
Net assets, end of year
-$1,961,239
Publicly traded securities
$786,577
Net assets without donor restrictions
-$2,295,577
Net assets with donor restrictions
$334,338
Gross receipts
$294,065
Employees
0
Volunteers
100
Year formed
1864
State of legal domicile
MN

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, 2024, highest compensation first.

NameTitleHours / weekCompensation
DAVID J WILSON MDEXECUTIVE VP / EDITOR
Trustee or director, Officer
1$50,000
TIMOTHY W OLSEN MDPRESIDENT THROUGH 5/2024
Trustee or director, Officer
1$0
JULIA A HALLER MDPRESIDENT START 5/2024
Trustee or director, Officer
1$0
PRESTON H BLOMQUIST MDCOUNCIL CHAIR THROUGH 5/2024
Trustee or director, Officer
1$0
EMILY Y CHEW MDCOUNCIL CHAIR START 5/2024
Trustee or director, Officer
1$0
JAYNE S WEISS MDCOUNCIL MEMBER START 5/2024
Trustee or director
1$0
MARY E HARTNETT MDCOUNCIL MEMBER
Trustee or director
1$0
PETER A NETLAND MD PHDCOUNCIL MEMBER
Trustee or director
1$0
DAVID K WALLACE MD MPHCOUNCIL MEMBER
Trustee or director
1$0
990 for the year ended December 31, 2023: 9 people
NameTitleHours / weekCompensation
DAVID J WILSON MDEXECUTIVE VP / EDITOR
Trustee or director, Officer
1$50,000
MARCO A ZARBIN MD PHDPRESIDENT THROUGH 5/2023
Trustee or director, Officer
1$0
TIMOTHY W OLSEN MDPRESIDENT START 5/2023
Trustee or director, Officer
1$0
WILLIAM F MIELER MD FACS FARVOCOUNCIL CHAIR THROUGH 5/2023
Trustee or director, Officer
1$0
PRESTON H BLOMQUIST MDCOUNCIL CHAIR START 5/2023
Trustee or director, Officer
1$0
EMILY Y CHEW MDCOUNCIL MEMBER
Trustee or director
1$0
MARY E HARTNETT MDCOUNCIL MEMBER
Trustee or director
1$0
PETER A NETLAND MD PHDCOUNCIL MEMBER START 5/2023
Trustee or director
1$0
DAVID K WALLACE MD MPHCOUNCIL MEMBER
Trustee or director
1$0

Address and contacts

Address (IRS master file)
655 BEACH STREET, SAN FRANCISCO, CA 94109-1342
Principal officer (990 for 2024)
WILLIAM MIELER MD, 655 BEACH STREET, SAN FRANCISCO, CA 94109
Signed the 990
DAVID WILSON MD, EXECUTIVE VICE PRESIDENT
Phone
(415) 561-8578
Return prepared by
BAKER TILLY ADVISORY GROUP LP

California records

California keeps its own records of charities and corporations. Search them by EIN 41-1235482 or by the name AMERICAN OPHTHALMOLOGICAL SOCIETY.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

Mission

THE MISSION OF THE AMERICAN OPHTHALMOLOGICAL SOCIETY IS TO PROMOTE EXCELLENCE IN PATIENT CARE, EDUCATION AND RESEARCH, TO ADDRESS ESSENTIAL ISSUES IN MEDICINE, AND TO ADVANCE THE ART AND SCIENCE OF OPHTHALMOLOGY.

990 for the year ended December 31, 2024

Program accomplishments

  • THE AMERICAN OPHTHALMOLOGICAL SOCIETY IS A PROFESSIONAL ORGANIZATION FORMED PRIMARILY TO PROMOTE OPHTHALMOLOGICAL EDUCATION, RESEARCH, AND THE ART AND SCIENCE OF OPHTHALMOLOGY. THE EDUCATION MISSION IS SERVED BY AOS'S ANNUAL SCIENTIFIC MEETING WHICH IS ATTENDED BY APPROXIMATELY 235 MEMBERS AND OTHER PROFESSIONALS INTERESTED IN THE DELIVERY OF HIGH-QUALITY PATIENT EYE CARE. THE 2024 ANNUAL MEETING WAS HELD MAY 16-18, 2024 IN LA JOLLA, CALIFORNIA.
    Expenses $388,386 · revenue $111,040
  • COUNCIL MEETINGS ARE HELD TWICE A YEAR TO DISCUSS, MAKE DECISIONS, AND CONDUCT BUSINESS REGARDING THE AOS.
    Expenses $30,534
  • THE KENNEDY-SNELL FUND WAS ESTABLISHED FOR THE ADVANCEMENT OF OPHTHALMIC SCIENCE AND ART.
    Expenses $4,390
  • OTHER PROGRAM SERVICES INCLUDES MEMBERSHIP DUES ADMINISTRATION.
    revenue $111,617

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 yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026Not on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
41-1235482
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1974
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$1,068,195
Income (IRS master file)
$294,065

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2024$268,174$644,437$1,068,195XML
990December 2023$244,488$565,252$1,016,719XML
990December 2022$216,235$586,548$971,150IRS
990December 2021–––IRS
990December 2020–––IRS
990December 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 41-1235482).

Questions about AMERICAN OPHTHALMOLOGICAL SOCIETY

What is the EIN of AMERICAN OPHTHALMOLOGICAL SOCIETY?
The employer identification number (EIN) of AMERICAN OPHTHALMOLOGICAL SOCIETY is 41-1235482.
Is AMERICAN OPHTHALMOLOGICAL SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1974.
Are donations to AMERICAN OPHTHALMOLOGICAL SOCIETY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does AMERICAN OPHTHALMOLOGICAL SOCIETY 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 OPHTHALMOLOGICAL SOCIETY due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did AMERICAN OPHTHALMOLOGICAL SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2024.
Who is the principal officer of AMERICAN OPHTHALMOLOGICAL SOCIETY?
The 990 for the year ended December 31, 2024 names WILLIAM MIELER MD.
Who are the officers and directors of AMERICAN OPHTHALMOLOGICAL SOCIETY?
The 990 for the year ended December 31, 2024 lists 9 people; 1 received compensation from the organization, the highest $50,000 (DAVID J WILSON MD, EXECUTIVE VP / EDITOR).
How much revenue does AMERICAN OPHTHALMOLOGICAL SOCIETY have?
On its 990 for the year ended December 31, 2024 it reported revenue of $268,174, expenses of $644,437 and total assets of $1,068,195 at year end.

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