Nonprofit · EIN 51-0183279
ONCOLOGY NURSING SOCIETY
Tax-exempt · PITTSBURGH, PA 15275
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $31,242,706 | $32,405,506 | -$1,162,800 | $43,628,977 | $11,108,412 | $32,520,565 |
| December 31, 2024 | 990 | $31,078,303 | $36,890,766 | -$5,812,463 | $42,329,355 | $10,582,967 | $31,746,388 |
| December 31, 2023 | 990 | $29,524,095 | $28,657,909 | $866,186 | $47,131,693 | $10,098,662 | $37,033,031 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $7,445,733
- Membership dues
- $3,945,534
- Program service revenue
- $22,022,560
- Investment income
- $584,070
- Royalties
- $320,990
- Net rental income
- $450
- Net gain from sales of assets
- $299,226
- Net income from sales of inventory
- $868,903
- Other revenue
- $1,190,343
Expenses
- Grants and similar amounts paid
- $558,750
- Compensation of officers, directors and key employees
- $1,993,797
- Other salaries and wages
- $12,585,091
- Salaries, compensation and benefits (total)
- $19,055,349
- Professional fundraising fees
- $0
- Legal fees
- $156,042
- Accounting fees
- $94,091
- Occupancy
- $314,936
- Depreciation
- $802,885
Balance sheet and other
- Total assets, start of year
- $42,329,355
- Total assets, end of year
- $43,628,977
- Total liabilities, end of year
- $11,108,412
- Net assets, end of year
- $32,520,565
- Land, buildings and equipment
- $2,483,555
- Publicly traded securities
- $22,902,701
- Net assets without donor restrictions
- $32,520,565
- Gross unrelated business income
- $1,353,200
- Gross receipts
- $31,550,740
- Employees
- 156
- Volunteers
- 983
- Year formed
- 1975
- State of legal domicile
- PA
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, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| BRENDA NEVIDJON | CHIEF EXECUTIVE OFFICER Officer | 30 | $551,014 | $21,000 |
| KRISTINE BURNS | CHIEF ADMINISTRATIVE OFFICER Key employee | 30 | $376,482 | $30,938 |
| LORI BROWN | EXECUTIVE DIRECTOR Officer | 40 | $263,339 | $47,746 |
| JENNIFER FEEMAN | CHIEF FINANCIAL OFFICER Officer | 30 | $242,952 | $55,912 |
| ERICA FISCHER-CARTLIDGE | CHIEF CLINICAL OFFICER Key employee | 30 | $260,224 | $17,082 |
| ANGELA STENGEL | EXECUTIVE DIRECTOR ONF Highest-paid employee | 0 | $245,254 | $14,721 |
| KRIS SCHWARTZ | DIRECTOR OF FINANCE Highest-paid employee | 30 | $186,294 | $24,406 |
| ROBERTA SCHOCH | DIRECTOR OF HUMAN RESOURCES Highest-paid employee | 40 | $178,500 | $19,157 |
| GREG CRIDER DIRECTOR OF | PROJECT MANAGEMENT OFFICE Highest-paid employee | 30 | $175,216 | $19,916 |
| KAREN HAMMELEF | DIRECTOR OF PRODUCTS Highest-paid employee | 30 | $179,720 | $10,528 |
| ANNA POLYAK | CHIEF EXECUTIVE OFFICER (ENTER 11/25) Officer | 30 | $33,967 | $6,817 |
| JESSICA MACINTYRE PRESIDENT | PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| RYNE WILSON | PRESIDENT ELECT (AS OF 12/25) Trustee or director, Officer | 5 | $0 | $0 |
| DEBORAH ALLEN | SECRETARY (EXIT 4/25) Trustee or director, Officer | 5 | $0 | $0 |
| SUSAN YACKZAN | SECRETARY (ENTER 4/25) Trustee or director, Officer | 5 | $0 | $0 |
8 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KRIS MATHEY | TREASURER (EXIT 4/25) Trustee or director, Officer | 5 | $0 |
| SUSAN BROWN | TREASURER (ENTER 4/25) Trustee or director, Officer | 5 | $0 |
| LOYDA BRAITHWAITE | DIRECTOR Trustee or director | 5 | $0 |
| TOBY BRESSLER | DIRECTOR Trustee or director | 5 | $0 |
| HEIDI HAYNES | DIRECTOR Trustee or director | 5 | $0 |
| JEANENE ROBISON | DIRECTOR (EXIT 4/25) Trustee or director | 5 | $0 |
| ELIZABETH RODRIGUEZ | DIRECTOR Trustee or director | 5 | $0 |
| TREY WOODS | DIRECTOR Trustee or director | 5 | $0 |
990 for the year ended December 31, 2024: 22 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| BRENDA NEVIDJON | CEO Officer | 30 | $513,792 | $20,700 |
| KRISTINE BURNS | CHIEF ADMINISTRATIVE OFFICER Key employee | 30 | $272,912 | $38,345 |
| LORI BROWN | EXECUTIVE DIRECTOR Officer | 40 | $222,961 | $42,068 |
| ERICA FISCHER-CARTLIDGE | CHIEF CLINICAL OFFICER Key employee | 30 | $220,869 | $14,689 |
| ANGELA STENGEL | EXECUTIVE DIRECTOR ONF Highest-paid employee | 0 | $202,776 | $12,146 |
| JEFF DEWALT | CHIEF FINANCIAL OFFICER (EXIT 6/24) Officer | 30 | $169,668 | $10,318 |
| KRIS SCHWARTZ | DIRECTOR OF FINANCE Highest-paid employee | 30 | $158,656 | $21,083 |
| GREG CRIDER DIRECTOR OF | PROJECT MANAGEMENT OFFICE Highest-paid employee | 30 | $155,721 | $18,140 |
| JENNIFER FEEMAN CHIEF | FINANCIAL OFFICER (ENTER 4/24) Officer | 30 | $149,658 | $21,805 |
| KAREN HAMMELEF | DIRECTOR OF PRODUCTS Highest-paid employee | 30 | $161,303 | $9,441 |
| SUSAN BROWN | DIRECTOR Trustee or director | 5 | $0 | $0 |
| VALERIE BURGER | DIRECTOR (EXIT 5/24) Trustee or director | 5 | $0 | $0 |
| PATRICIA GEDDIE | DIRECTOR (EXIT 5/24) Trustee or director | 5 | $0 | $0 |
| HEIDI HAYNES | DIRECTOR Trustee or director | 5 | $0 | $0 |
| JEANENE ROBISON | DIRECTOR Trustee or director | 5 | $0 | $0 |
| RYNE WILSON | DIRECTOR (ENTER 5/24) Trustee or director | 5 | $0 | $0 |
| TREY WOODS | DIRECTOR Trustee or director | 5 | $0 | $0 |
| SUSAN YACKZAN | DIRECTOR (ENTER 5/24) Trustee or director | 5 | $0 | $0 |
| JESSICA MACINTYRE PRESIDENT | ELECT (TIL 5/24), PRESIDENT (AT 5/24) Trustee or director, Officer | 5 | $0 | $0 |
| DEBORAH ALLEN | SECRETARY Trustee or director, Officer | 5 | $0 | $0 |
| KRIS MATHEY | TREASURER Trustee or director, Officer | 5 | $0 | $0 |
| DAYNA GARNER | PRESIDENT (EXIT 5/24) Trustee or director, Officer | 5 | $0 | $0 |
990 for the year ended December 31, 2023: 22 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| Brenda Nevidjon | CEO Officer | 40 | $495,971 | $29,883 |
| Kristine Burns | Chief Admin. Officer Officer | 40 | $260,905 | $30,552 |
| Lori Brown | Exec Dir - ONS Officer | 40 | $228,544 | $32,326 |
| Jeff DeWalt | CFO Officer | 40 | $238,269 | $15,259 |
| Erica Fischer-Cartlidge | Chief Clinical Officer Officer | 40 | $213,172 | $10,339 |
| Carrie Tilley | Director of ISB Highest-paid employee | 40 | $153,455 | $26,427 |
| Greg Bickford | Director of PMO Highest-paid employee | 40 | $158,656 | $15,981 |
| Karen Hammelef | Director of Products Highest-paid employee | 40 | $161,749 | $10,307 |
| Molly Colville | Dir. of IMC Highest-paid employee | 40 | $155,018 | $16,694 |
| Elizabeth Waddell | Director of IS Highest-paid employee | 40 | $158,833 | $10,173 |
| Kristin Ferguson | Director Trustee or director | 5 | $0 | $0 |
| Valerie Burger | Treasurer Trustee or director, Officer | 5 | $0 | $0 |
| Jeannine Brant | Director/President Trustee or director, Officer | 5 | $0 | $0 |
| Teresa Knoop | Director/Secretary Trustee or director, Officer | 5 | $0 | $0 |
| Danya Garner | Director/President Trustee or director, Officer | 5 | $0 | $0 |
| Deborah Allen | Director/Secretary Trustee or director, Officer | 5 | $0 | $0 |
| Patricia Geddie | Director Trustee or director | 5 | $0 | $0 |
| Kristina Mathey | Director/Treasurer Trustee or director, Officer | 5 | $0 | $0 |
| Susan Brown | Drector Trustee or director | 5 | $0 | $0 |
| Jeanene Robison | Director Trustee or director | 5 | $0 | $0 |
| Trey Woods | Director Trustee or director | 5 | $0 | $0 |
| Jessica MacIntyre | Director Trustee or director | 5 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 125 ENTERPRISE DR, PITTSBURGH, PA 15275-1223
- In care of
- % ACCOUNTING DEPARTMENT
- Principal officer (990 for 2025)
- ANNA POLYAK, 125 ENTERPRISE DRIVE, PITTSBURGH, PA 15275
- Signed the 990
- JENNIFER FEEMAN, CHIEF FINANCIAL OFFICER
- Phone
- (412) 859-6100
- Website
- WWW.ONS.ORG
- Return prepared by
- SCHNEIDER DOWNS & CO INC
Mission
TO ADVANCE EXCELLENCE IN ONCOLOGY NURSING AND QUALITY CANCER CARE.
Program accomplishments
- THE ORGANIZATION CONDUCTED BOTH IN-PERSON AND VIRTUAL CONFERENCES FOR ONCOLOGY NURSES, WITH APPROXIMATELY 4,000 PARTICIPANTS. THESE CONFERENCES PROVIDED CONTINUING EDUCATION AND PROFESSIONAL DEVELOPMENT PROGRAMMING DESIGNED TO ENHANCE CLINICAL KNOWLEDGE AND SUPPORT IMPROVED PATIENT CARE IN ONCOLOGY SETTINGS. IN ADDITION, THE EVENTS FACILITATED PROFESSIONAL NETWORKING AND COLLABORATION AMONG ATTENDEES.
- THE ORGANIZATION PUBLISHES TWO PEER-REVIEWED JOURNALS ON A BIMONTHLY BASIS, WHICH ARE PROVIDED EXCLUSIVELY TO MEMBERS AS PART OF THEIR MEMBERSHIP BENEFITS. THESE JOURNALS DISSEMINATE EVIDENCE-BASED RESEARCH AND CLINICAL INFORMATION TO SUPPORT ONCOLOGY NURSING PRACTICE AND IMPROVE PATIENT CARE. SUPPLEMENTAL ISSUES ARE ALSO PUBLISHED PERIODICALLY TO ADDRESS EMERGING TOPICS AND DEVELOPMENTS IN THE FIELD.IN ADDITION, THE ORGANIZATION PRODUCES A WEEKLY OPEN-ACCESS NEWSMAGAZINE THAT PROVIDES TIMELY UPDATES ON ONCOLOGY NURSING, RESEARCH, AND PROFESSIONAL ISSUES. THE ORGANIZATION ALSO DEVELOPS, PUBLISHES, AND SELLS EDUCATIONAL BOOKS AND OTHER PUBLICATIONS FOCUSED ON ONCOLOGY NURSING AND PATIENT CARE.
- THE ORGANIZATION PROVIDES EDUCATIONAL PROGRAMMING TO ONCOLOGY NURSES THROUGH A VARIETY OF DELIVERY METHODS, INCLUDING SELF-PACED ONLINE COURSES, WEBINARS, PRE-RECORDED PODCASTS, AND REGIONAL AND LOCAL LIVE PROGRAMS. THESE EDUCATIONAL OFFERINGS ARE DESIGNED TO ENHANCE PARTICIPANTS' UNDERSTANDING OF CURRENT AND EMERGING TOPICS IN ONCOLOGY NURSING, SUPPORT PROFESSIONAL DEVELOPMENT, AND PROMOTE IMPROVED PATIENT CARE OUTCOMES.
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 51-0183279
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Donations deductible
- No
- Exempt since
- 1981
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Group exemption
- 3187 (195 member organizations)
- Assets (IRS master file)
- $42,329,355
- Income (IRS master file)
- $31,313,572
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $31,242,706 | $32,405,506 | $43,628,977 | XML |
| 990 | December 2024 | $31,078,303 | $36,890,766 | $42,329,355 | XML |
| 990 | December 2023 | $29,524,095 | $28,657,909 | $47,131,693 | XML |
| 990 | December 2022 | $28,592,681 | $27,603,990 | $44,713,732 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 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 51-0183279).
Questions about ONCOLOGY NURSING SOCIETY
- What is the EIN of ONCOLOGY NURSING SOCIETY?
- The employer identification number (EIN) of ONCOLOGY NURSING SOCIETY is 51-0183279.
- Is ONCOLOGY NURSING SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1981.
- Are donations to ONCOLOGY NURSING SOCIETY tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does ONCOLOGY NURSING 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 ONCOLOGY NURSING SOCIETY 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 ONCOLOGY NURSING SOCIETY last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of ONCOLOGY NURSING SOCIETY?
- The 990 for the year ended December 31, 2025 names ANNA POLYAK.
- Who are the officers and directors of ONCOLOGY NURSING SOCIETY?
- The 990 for the year ended December 31, 2025 lists 23 people; 11 received compensation from the organization, the highest $551,014 (BRENDA NEVIDJON, CHIEF EXECUTIVE OFFICER).
- How much revenue does ONCOLOGY NURSING SOCIETY have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $31,242,706, expenses of $32,405,506 and total assets of $43,628,977 at year end.
Organizations in its group exemption (195)
- ONCOLOGY NURSING SOCIETY EIN 25-1449036 · PITTSBURGH, PA · last filed 990 for 2025
- ONCOLOGY NURSING SOCIETY EIN 71-0759718 · SPRINGDALE, AR · last filed 990-N for 2025
- ONCOLOGY NURSING SOCIETY EIN 52-1465990 · SUN CITY CTR, FL · last filed 990-N for 2025
- ONCOLOGY NURSING SOCIETY EIN 80-0305983 · REHOBOTH BCH, DE · last filed 990-N for 2024
- ONCOLOGY NURSING SOCIETY EIN 54-1896407 · APPOMATTOX, VA · last filed 990-N for 2024
- ONCOLOGY NURSING SOCIETY EIN 27-5094802 · STUART, FL · last filed 990-N for 2011
- ONCOLOGY NURSING SOCIETY EIN 52-1458872 · PADUCAH, KY · last filed 990-N for 2010
- ONCOLOGY NURSING SOCIETY EIN 30-0072270 · ONTARIO, OH · last filed 990-N for 2011
- ONCOLOGY NURSING SOCIETY EIN 52-1588490 · GREENSBORO, NC · last filed 990-N for 2017
- ONCOLOGY NURSING SOCIETY EIN 52-1513594 · VIRGINIA BCH, VA · last filed 990-N for 2012
- ONCOLOGY NURSING SOCIETY EIN 52-1338961 · FORT CALHOUN, NE · last filed 990-N for 2008
- ONCOLOGY NURSING SOCIETY EIN 52-1251939 · HOUSTON, TX · last filed 990-N for 2007
- ONCOLOGY NURSING SOCIETY EIN 52-1308968 · BELLMORE, NY · last filed 990-N for 2012
- ONCOLOGY NURSING SOCIETY EIN 46-4809032 · DOMONA, NY · last filed 990-N for 2017
- ONCOLOGY NURSING SOCIETY EIN 63-1134688 · MONTGOMERY, AL · last filed 990-N for 2020
- ONCOLOGY NURSING SOCIETY EIN 52-1436597 · LAS VEGAS, NV · last filed 990-N for 2012
- ONCOLOGY NURSING SOCIETY EIN 52-1776763 · CHICO, CA · last filed 990-N for 2007
- ONCOLOGY NURSING SOCIETY EIN 51-0318799 · NEWARK, DE · last filed 990-N for 2012
- ONCOLOGY NURSING SOCIETY EIN 87-0457665 · SALT LAKE CITY, UT · last filed 990-N for 2012
- ONCOLOGY NURSING SOCIETY EIN 52-1890139 · MIDLAND, TX · last filed 990-N for 2012
Other nonprofits in PITTSBURGH
- UPMC EIN 20-8295721 · last filed 990 for 2025
- HIGHMARK HEALTH EIN 82-1406555 · last filed 990 for 2024
- UNIVERSITY OF PITTSBURGH EIN 25-0965591 · last filed 990 for 2025
- CARNEGIE MELLON UNIVERSITY EIN 25-0969449 · last filed 990 for 2025
- UPMC EIN 25-1778644 · last filed 990 for 2024
- GBU FINANCIAL LIFE EIN 25-0502660 · last filed 990 for 2024
- STEELWORKERS HEALTH & WELFARE FUND EIN 23-1317409 · last filed 990 for 2024
- UNITED STEELWORKERS EIN 25-0818080 · last filed 990 for 2024