Nonprofit · EIN 51-6015486
DELAWARE STATE DENTAL SOCIETY
Tax-exempt · FOUNTAIN INN, SC 29644
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $481,286 | $331,179 | $150,107 | $985,413 | $157,413 | $828,000 |
| December 31, 2024 | 990 | $430,881 | $324,430 | $106,451 | $729,850 | $51,957 | $677,893 |
| December 31, 2023 | 990 | $473,484 | $327,606 | $145,878 | $684,004 | $112,562 | $571,442 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $256,428
- Membership dues
- $256,428
- Program service revenue
- $188,249
- Investment income
- $28,540
- Royalties
- $8,054
- Other revenue
- $8,069
Expenses
- Grants and similar amounts paid
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Accounting fees
- $11,825
- Depreciation
- $179
- Program services (functional)
- $318,747
- Management and general (functional)
- $12,432
Balance sheet and other
- Total assets, start of year
- $729,850
- Total assets, end of year
- $985,413
- Total liabilities, end of year
- $157,413
- Net assets, end of year
- $828,000
- Land, buildings and equipment
- $89
- Net assets without donor restrictions
- $828,000
- Gross receipts
- $481,286
- Employees
- 0
- Volunteers
- 41
- Year formed
- 1917
- State of legal domicile
- DE
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 |
|---|---|---|---|
| THOMAS A HOWLEY | EXECUTIVE DIRECTOR Officer | 40 | $115,200 |
| DOUGLAS DITTY DMD | PRESIDENT Trustee or director, Officer | 5 | $0 |
| RHAE RIEGEL DMD MD | PRESIDENT ELECT Trustee or director | 2 | $0 |
| ROBERT A PENNA DMD | FIRST VICE PRESIDENT Trustee or director, Officer | 2 | $0 |
| ANDREA N PUDDICOMBE DMD | SECOND VICE PRESIDENT Trustee or director, Officer | 2 | $0 |
| GARRETT BRINK DMD | TREASURER Trustee or director, Officer | 2 | $0 |
| HEATHER BOYLE DMD | SECRETARY Trustee or director, Officer | 2 | $0 |
| DANIEL MATTHEWS DMD | IMMEDIATE PAST PRESIDENT Trustee or director | 2 | $0 |
| MARIA TIBBS DDS MS | NEW CASTLE COUNTY REPRESEN Trustee or director | 2 | $0 |
| MICHAEL ALOE DMD | KENT COUNTY REPRESENTATIVE Trustee or director | 2 | $0 |
| DOMINIC PRESTIPINO DDS | SUSSEX COUNTY REPRESENTATI Trustee or director, Officer | 2 | $0 |
990 for the year ended December 31, 2024: 11 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| THOMAS A HOWLEY | EXECUTIVE DIRECTOR Officer | 40 | $110,000 |
| DANIEL MATTHEWS DMD | PRESIDENT Trustee or director, Officer | 5 | $0 |
| DOUGLAS L DITTY DMD | PRESIDENT ELECT Trustee or director | 2 | $0 |
| RHAE RIEGELDMD MD | FIRST VICE PRESIDENT Trustee or director, Officer | 2 | $0 |
| HEATHER BOYLE DMD | SECOND VICE PRESIDENT Trustee or director, Officer | 2 | $0 |
| GARRETT BRINK DMD | TREASURER Trustee or director, Officer | 2 | $0 |
| CATHY HARRIS DMD | SECRETARY Trustee or director, Officer | 2 | $0 |
| CANDACE L GAULL DMD | IMMEDIATE PAST PRESIDENT Trustee or director | 2 | $0 |
| AMIT DUA DMD | NEW CASTLE COUNTY REPRESENTATIVE Trustee or director | 2 | $0 |
| MICHAEL ALOE DMD | KENT COUNTY REPRESENTATIVE Trustee or director | 2 | $0 |
| DOMINIC PRESTIPINO DDS | SUSSEX COUNTY REPRESENTATIVE Trustee or director, Officer | 2 | $0 |
990 for the year ended December 31, 2023: 11 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| THOMAS J HOWLEY | EXECUTIVE DIRECTOR Officer | 40 | $109,110 |
| JONATHAN C JOHNSON DMD | SECRETARY Trustee or director, Officer | 2 | $0 |
| JOSHUA A BRYAN DMD | IMMEDIATE PAST PRESIDENT Trustee or director | 2 | $0 |
| CANDACE L GAULL DMD | PRESIDENT Trustee or director, Officer | 5 | $0 |
| ERIC W SPENCER DDS | TREASURER Trustee or director, Officer | 2 | $0 |
| DANIEL MATTHEWS DMD | PRESIDENT-ELECT Trustee or director, Officer | 2 | $0 |
| DOUGLAS L DITTY DMD | FIRST VICE PRESIDENT Trustee or director, Officer | 2 | $0 |
| AMIT DUA DMD | NEW CASTLE COUNTY REPRESEN Trustee or director | 2 | $0 |
| RHAE RIEGELDMD MD | KENT COUNTY REPRESENTATIVE Trustee or director | 2 | $0 |
| JESSICA S DICERBO DMD | SUSSEX COUNTY REPRESENTATI Trustee or director | 2 | $0 |
| CATHY HARRIS DMD | SECOND VICE PRESIDENT Trustee or director, Officer | 2 | $0 |
Address and contacts
- Address (IRS master file)
- 29 TRAILHEAD DR, FOUNTAIN INN, SC 29644-0000
- In care of
- % THOMAS A HOWLEY JR
- Principal officer (990 for 2025)
- DOUGLAS L DITTYDMD, 2803 PHILADELPHIA PIKE B4083, CLAYMONT, DE 19703
- Signed the 990
- DOUGLAS L DITTYDMD, PRESIDENT
- Phone
- (302) 368-7634
- Return prepared by
- MAILLIE LLP
Mission
TO SUPPORT ITS MEMBERS' ABILITY TO PRACTICE THROUGH EDUCATION AND ADVOCACY. INTIMATELY INVOLVED IN THIS PROCESS IS THE ADVANCEMENT OF QUALITY ORAL HEALTH CARE FOR THE PUBLIC.
Program accomplishments
- THE EDUCATIONAL PROGRAMS FOR DENTISTS AND DENTAL STAFF PROVIDED CUTTING EDGE EDUCATION TO ENHANCE THE QUALITY OF CARE PROVIDED TO THE PUBLIC. THE BOARD OF DENTISTRY AND DENTAL HYGIENE REQUIRES ALL PERSONS LICENSED TO PRACTICE DENTISTRY IN THE STATE OF DELAWARE TO ACQUIRE FIFTY HOURS OF CONTINUING PROFESSIONAL EDUCATION CREDITS EVERY TWO YEARS. THE CONTINUING EDUCATION PROGRAMS OF THE DSDS ARE SET TO MEET THE STATE OF DELAWARE CONTINUING EDUCATION REQUIREMENTS.Expenses $51,266 · revenue $103,003
- MEMBER SERVICESExpenses $267,481 · revenue $85,261
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
- 51-6015486
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Donations deductible
- No
- Exempt since
- 1957
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $985,413
- Income (IRS master file)
- $481,286
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $481,286 | $331,179 | $985,413 | IRS |
| 990 | December 2024 | $430,881 | $324,430 | $729,850 | IRS |
| 990 | December 2023 | $473,484 | $327,606 | $684,004 | XML |
| 990 | December 2022 | $417,797 | $402,937 | $593,599 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | 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 51-6015486).
Questions about DELAWARE STATE DENTAL SOCIETY
- What is the EIN of DELAWARE STATE DENTAL SOCIETY?
- The employer identification number (EIN) of DELAWARE STATE DENTAL SOCIETY is 51-6015486.
- Is DELAWARE STATE DENTAL SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1957.
- Are donations to DELAWARE STATE DENTAL SOCIETY tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does DELAWARE STATE DENTAL 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 DELAWARE STATE DENTAL 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 DELAWARE STATE DENTAL 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 DELAWARE STATE DENTAL SOCIETY?
- The 990 for the year ended December 31, 2025 names DOUGLAS L DITTYDMD.
- Who are the officers and directors of DELAWARE STATE DENTAL SOCIETY?
- The 990 for the year ended December 31, 2025 lists 11 people; 1 received compensation from the organization, the highest $115,200 (THOMAS A HOWLEY, EXECUTIVE DIRECTOR).
- How much revenue does DELAWARE STATE DENTAL SOCIETY have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $481,286, expenses of $331,179 and total assets of $985,413 at year end.
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