Nonprofit · EIN 23-7066181
UNDERSEA & HYPERBARIC MEDICAL SOCIETY INC
Tax-exempt · NORTH PALM BEACH, FL 33408
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $1,461,462 | $1,384,334 | $77,128 | $1,552,975 | $290,746 | $1,262,229 |
| December 31, 2024 | 990 | $1,750,337 | $1,479,906 | $270,431 | $1,423,616 | $253,042 | $1,170,574 |
| December 31, 2023 | 990 | $1,490,281 | $1,484,758 | $5,523 | $1,199,153 | $313,851 | $885,302 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $2,200
- Program service revenue
- $1,431,345
- Investment income
- $27,917
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $150,058
- Other salaries and wages
- $399,242
- Salaries, compensation and benefits (total)
- $634,761
- Professional fundraising fees
- $0
- Accounting fees
- $47,515
- Occupancy
- $22,250
- Travel
- $232,675
- Depreciation
- $9,413
- Program services (functional)
- $1,077,747
- Management and general (functional)
- $306,587
Balance sheet and other
- Total assets, start of year
- $1,423,616
- Total assets, end of year
- $1,552,975
- Total liabilities, end of year
- $290,746
- Net assets, end of year
- $1,262,229
- Land, buildings and equipment
- $7,798
- Net assets without donor restrictions
- $1,167,022
- Net assets with donor restrictions
- $95,207
- Gross receipts
- $1,461,462
- Employees
- 7
- Volunteers
- 300
- Year formed
- 1967
- State of legal domicile
- FL
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 |
|---|---|---|---|
| John Peters MBA FACHE | Executive Director Officer | 40 | $150,058 |
| Peter J Witucki MD | Past-President Trustee or director | 15 | $0 |
| Helen Gelly MD | Treasurer Trustee or director, Officer | 13 | $0 |
| Micah Siegal | Member at Large Trustee or director | 2 | $0 |
| Brooke Cobb | Associate Nurse Rep Trustee or director | 4 | $0 |
| Neil Gerst | Associate Technologist Trustee or director | 2 | $0 |
| David Charash | Member at Large Trustee or director | 1 | $0 |
| Owen ONeill MD | President Trustee or director, Officer | 6 | $0 |
| Brian Keuski | Member at Large Trustee or director | 2 | $0 |
| Elizabeth Smykowski | Associate Nurse Rep Trustee or director | 1 | $0 |
| Frauke Tillmans | Member at Large Trustee or director | 2 | $0 |
| Phil Bryson MBChB DCH DRCOG | Vice President Trustee or director, Officer | 1 | $0 |
| Sandra Wainwright | President-Elect Trustee or director | 6 | $0 |
990 for the year ended December 31, 2024: 14 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| John Peters MBA FACHE | Executive Director Officer | 40 | $144,500 |
| Peter J Witucki MD | Past-President Trustee or director | 15 | $0 |
| Micah Siegal | Member at Large Trustee or director | 2 | $0 |
| Brooke Cobb | Associate Nurse Rep Trustee or director | 4 | $0 |
| Geness Koumandakis CHT LDSIMC | Associate Technologist Trustee or director | 2 | $0 |
| Peter Peter Lindhold MD PHD | Member at Large Trustee or director | 1 | $0 |
| Brian Keuski | Member at Large Trustee or director | 2 | $0 |
| Elizabeth Smykowski | Associate Nurse Rep Trustee or director | 1 | $0 |
| Frauke Tillmans | Member at Large Trustee or director | 2 | $0 |
| Daniel Hyun | Associate Technologist Trustee or director | 2 | $0 |
| Sandra Wainwright | President-Elect Trustee or director | 6 | $0 |
| Helen Gelly MD | Treasurer Trustee or director, Officer | 13 | $0 |
| Owen ONeill MD | President Trustee or director, Officer | 6 | $0 |
| Phil Bryson MBChB DCH DRCOG | Vice President Trustee or director, Officer | 1 | $0 |
990 for the year ended December 31, 2023: 14 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| John Peters MBA FACHE | Executive Director Officer | 40 | $152,808 |
| Brian Keuski | Member at Large Trustee or director | 2 | $0 |
| Owen ONeill | President-Elect Trustee or director | 6 | $0 |
| Peter Peter Lindhold MD PHD | Member at Large Trustee or director | 1 | $0 |
| Daniel Hyun | Associate Technologist Trustee or director | 2 | $0 |
| Frauke Tillmans | Member at Large Trustee or director | 2 | $0 |
| Elizabeth Smykowski | Associate Nurse Rep Trustee or director | 1 | $0 |
| Julio Garcia RNACHRN | Associate Nurse Rep Trustee or director | 4 | $0 |
| Bruce Derrick MD | Member at Large Trustee or director | 2 | $0 |
| Marc Robins DO | Past-President Trustee or director | 6 | $0 |
| Geness Koumandakis CHT LDSIMC | Associate Technologist Trustee or director | 2 | $0 |
| Peter J Witucki MD | President Trustee or director, Officer | 15 | $0 |
| Helen Gelly MD | Treasurer Trustee or director, Officer | 13 | $0 |
| Constantino Balestra | Vice President Trustee or director, Officer | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 631 US HIGHWAY 1, NORTH PALM BEACH, FL 33408-4617
- In care of
- % JOHN PETERS
- Signed the 990
- JOHN PETERS, Executive Director
- Phone
- (561) 776-6110
- Website
- WWW.UHMS.ORG
- Return prepared by
- Gia Castellino CPA LLC
Mission
TO PROVIDE A FORUM FOR PROFESSIONAL SCIENTIFIC COMMUNICATION & EDUCATIONAL ACTIVITIES
Program accomplishments
- QUALITY ASSURANCE AND REGULATORY AFFAIRS - THIS IS OUR CLINICAL HYPERBARIC MEDICAL FACILITY ACCREDITATION PROGRAM. CLINICAL HYPERBARIC FACILITIES CAN DEMONSTRATE THEIR COMMITMENT TO PATIENT CARE AND FACILITY SAFETY BY VOLUNTARILY PARTICIPATING IN THIS PROGRAM. WHEN INVITED TO PERFORM AN ACCREDITATION SURVEY, WE WILL SEND A TEAM OF EXPERTS TO THE FACILITY TO EXAMINE STAFFING AND TRAINING, EQUIPMENT INSTALLATION, OPERATION, MAINTENANCE, FACILITY AND PATIENT SAFETY, AND STANDARDS OF CARE.Expenses $553,912 · revenue $530,315
- THE CONTINUING MEDICAL EDUCATION MISSION OF THE UHMS IS TO DEVELOP AND PROMOTE EDUCATIONAL ACTIVITIES AND OTHER OPPORTUNITIES THAT IMPROVE THE SCIENTIFIC KNOWLEDGE OF UNDERSEA AND HYPERBARIC ENVIRONMENTS. THE TARGET AUDIENCE OF THIS EFFORT ARE PHYSICIANS AND ALLIED HEALTH PROFESSIONALS, BOTH NATIONALLY AND INTERNATIONALLY. THE ACTIVITIES INCLUDE UNDERSEA MEDICINE, ALL OF THE UHMS ACCEPTED INDICATIONS FOR HYPERBARIC OXYGEN TREATMENT, AND THE PHYSIOLOGIC AND CLINICAL BASIS OF NEW MECHANISMS OF ACTION AND EMERGING NEW USERS FOR HYPERBARIC OXYGEN AND HYPERBARIC ENVIRONMENTS.Expenses $216,126 · revenue $239,907
- THE UHMS ANNUAL SCIENTIFIC MEETINGS PRIMARY GOAL IS TO PROVIDE A FORUM FOR PROFESSIONAL SCIENTIFIC GROWTH AND DEVELOPMENT OF THE PARTICIPANTS TO IMPROVE KNOWLWEDGE AND COMPETENCE TO FURTHER PATIENT OUTCOME. THE MEETING PROVIDES A BASIS FOR EXCHANGE OF IDEAS, BOTH SCIENTIFIC AND PRACTICAL, AMONG PHYSICIANS, RESEARCHERS, AND OTHER HEALTH CARE PROFESSIONALS.Expenses $89,607 · revenue $165,534
- Expenses $218,102 · revenue $540,233
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
- 23-7066181
- 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
- 2011
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Voluntary health associations and medical disciplines (G03)
- Assets (IRS master file)
- $1,552,975
- Income (IRS master file)
- $1,461,462
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $1,461,462 | $1,384,334 | $1,552,975 | XML |
| 990 | December 2024 | $1,750,337 | $1,479,906 | $1,423,616 | XML |
| 990 | December 2023 | $1,490,281 | $1,484,758 | $1,199,153 | XML |
| 990 | December 2022 | $1,261,859 | $1,281,471 | $1,232,774 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | 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 23-7066181).
Questions about UNDERSEA & HYPERBARIC MEDICAL SOCIETY INC
- What is the EIN of UNDERSEA & HYPERBARIC MEDICAL SOCIETY INC?
- The employer identification number (EIN) of UNDERSEA & HYPERBARIC MEDICAL SOCIETY INC is 23-7066181.
- Is UNDERSEA & HYPERBARIC MEDICAL SOCIETY INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2011.
- Are donations to UNDERSEA & HYPERBARIC MEDICAL SOCIETY INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does UNDERSEA & HYPERBARIC MEDICAL SOCIETY INC 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 UNDERSEA & HYPERBARIC MEDICAL SOCIETY 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 UNDERSEA & HYPERBARIC MEDICAL SOCIETY INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who are the officers and directors of UNDERSEA & HYPERBARIC MEDICAL SOCIETY INC?
- The 990 for the year ended December 31, 2025 lists 13 people; 1 received compensation from the organization, the highest $150,058 (John Peters MBA FACHE, Executive Director).
- How much revenue does UNDERSEA & HYPERBARIC MEDICAL SOCIETY INC have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $1,461,462, expenses of $1,384,334 and total assets of $1,552,975 at year end.
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