Nonprofit · EIN 23-7085936
MASSACHUSETTS MEDICAL SOCIETY
Also known as CHARLES RIVER DISTRICT
Tax-exempt · WALTHAM, MA 02451
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $48,297 | $52,774 | -$4,477 | $601,641 | $0 | $601,641 |
| December 31, 2024 | 990 | $50,275 | $70,369 | -$20,094 | $556,608 | $0 | $556,608 |
| December 31, 2023 | 990 | $57,751 | $27,232 | $30,519 | $520,551 | $0 | $520,551 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $0
- Program service revenue
- $35,295
- Investment income
- $12,872
- Other revenue
- $130
Expenses
- Grants and similar amounts paid
- $13,000
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Program services (functional)
- $42,116
- Management and general (functional)
- $10,658
Balance sheet and other
- Total assets, start of year
- $556,608
- Total assets, end of year
- $601,641
- Total liabilities, end of year
- $0
- Net assets, end of year
- $601,641
- Publicly traded securities
- $587,694
- Net assets without donor restrictions
- $601,641
- Gross receipts
- $48,297
- Employees
- 0
- Volunteers
- 4
- Year formed
- 2016
- State of legal domicile
- MA
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 |
|---|---|---|---|
| PEI-LI HUANG MD | FORMER PRESIDENT Trustee or director, Officer | 2 | $0 |
| CAROLINE YANG MD | PRESIDENT, FORMER VP Trustee or director, Officer | 2 | $0 |
| BRITA LUNDBERG | VICE PRESIDENT Trustee or director, Officer | 2 | $0 |
| GRACE PEREZ-LIRIO MD | TREASURER & SECRETARY Trustee or director, Officer | 1 | $0 |
990 for the year ended December 31, 2024: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| BRENDA ANGERS PRING MD | FORMER PRESIDENT Trustee or director, Officer | 2 | $0 |
| PEI-LI HUANG MD | PRESIDENT, FORMER VP Trustee or director, Officer | 2 | $0 |
| CAROLINE YANG MD | VICE PRESIDENT Trustee or director, Officer | 2 | $0 |
| GRACE PEREZ-LIRIO MD | TREASURER & SECRETARY Trustee or director, Officer | 1 | $0 |
990 for the year ended December 31, 2023: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| BRENDA ANGERS PRING MD | PRESIDENT Trustee or director, Officer | 2 | $0 |
| PEI-LI HUANG MD | VICE PRESIDENT Trustee or director, Officer | 2 | $0 |
| JATIN K DAVE MD | FORMER TREASURER & SECRETARY Trustee or director, Officer | 1 | $0 |
| GRACE PEREZ-LIRIO MD | TREASURER & SECRETARY Trustee or director, Officer | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 860 WINTER ST, WALTHAM, MA 02451-1449
- Principal officer (990 for 2025)
- GRACE PEREZ-LIRIO MD, 860 WINTER STREET, WALTHAM, MA 02451
- Signed the 990
- GRACE PEREZ-LIRIO MD, TREASURER & SECRETARY
- Phone
- (781) 434-7211
- Website
- WWW.MASSMED.ORG/CHARLESRIVER
- Return prepared by
- NON PROFIT CAPITAL MANAGEMENT LLC
Mission
THE MISSION OF THE CHARLES RIVER DISTRICT MEDICAL SOCIETY IS TO SUPPORT THE PROFESSIONAL LIVES OF PHYSICIAN MEMBERS THROUGH EDUCATIONAL, CHARITABLE AND SOCIAL ACTIVITIES. THE SOCIETY ALSO ADVOCATES FOR PHYSICIANS, PATIENTS AND THE PRACTICE OF MEDICINE WITHIN THE DISTRICT. THE SOCIETY ALSO WORKS IN CONCERT WITH THE MASSACHUSETTS MEDICAL SOCIETY TO MEET THESE ENDS.
Program accomplishments
- ANNUAL MEETING.Expenses $29,116
- CHARITABLE CONTRIBUTIONS.Expenses $3,000 · grants $3,000
- SCHOLARSHIP PROGRAM.THE SCHOLARSHIP PROGRAM IS AVAILABLE TO ANY MEDICAL STUDENT ENROLLED AT AN APPROVED U.S. INSTITUTION WHO IS A LEGAL RESIDENT OF THE FOLLOWING FIVE TOWNS: NEEDHAM, NEWTON, WALTHAM, WELLESLEY, AND WESTON.Expenses $10,000 · grants $10,000
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 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
- 23-7085936
- Tax-exempt status
- 501(c)(6): Business league or chamber of commerce
- Donations deductible
- No
- Exempt since
- 1970
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Group exemption
- 9253: MASSACHUSETTS MEDICAL SOCIETY
- Assets (IRS master file)
- $601,641
- Income (IRS master file)
- $48,297
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $48,297 | $52,774 | $601,641 | XML |
| 990 | December 2024 | $50,275 | $70,369 | $556,608 | XML |
| 990 | December 2023 | $57,751 | $27,232 | $520,551 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | IRS |
| 990-EZ | December 2019 | – | – | – | IRS |
| 990-EZ | 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 23-7085936).
Questions about MASSACHUSETTS MEDICAL SOCIETY
- What is the EIN of MASSACHUSETTS MEDICAL SOCIETY?
- The employer identification number (EIN) of MASSACHUSETTS MEDICAL SOCIETY is 23-7085936.
- Is MASSACHUSETTS MEDICAL SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1970.
- Are donations to MASSACHUSETTS MEDICAL SOCIETY tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does MASSACHUSETTS MEDICAL SOCIETY file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of MASSACHUSETTS MEDICAL 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 MASSACHUSETTS MEDICAL 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 MASSACHUSETTS MEDICAL SOCIETY?
- The 990 for the year ended December 31, 2025 names GRACE PEREZ-LIRIO MD.
- Who are the officers and directors of MASSACHUSETTS MEDICAL SOCIETY?
- The 990 for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
- How much revenue does MASSACHUSETTS MEDICAL SOCIETY have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $48,297, expenses of $52,774 and total assets of $601,641 at year end.
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