Nonprofit · EIN 22-2464097
LANCASTER MEDICAL HERITAGE MUSEUM
Tax-exempt · LANCASTER, PA 17602
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $101,413 | $82,269 | $19,144 | $320,674 | $80 | $320,594 |
| December 31, 2024 | 990-EZ | $48,559 | $88,686 | -$40,127 | $291,157 | $0 | $291,157 |
| December 31, 2023 | 990-EZ | $109,077 | $93,277 | $15,800 | $319,141 | $0 | $319,141 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $90,920
- Program service revenue
- $3,955
- Investment income
- $2,425
- Net income from fundraising events
- $4,113
Expenses
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $53,963
- Professional fees and payments to contractors
- $13,848
- Occupancy
- $516
- Other expenses
- $13,942
Balance sheet and other
- Total assets, start of year
- $291,157
- Total assets, end of year
- $320,674
- Total liabilities, end of year
- $80
- Net assets, end of year
- $320,594
- Cash, savings and investments
- $120,674
- Gross receipts
- $102,091
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-EZ for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| BARTON HALPERN MD | PRESIDENT | 5 | $0 |
| GERALD ROTHACKER MD | TREASURER | 5 | $0 |
| SHAWN GALLAGHER PhD | VICE PRESIDENT | 5 | $0 |
| ALAN PETERSON MD | Board Member | 1 | $0 |
| ANGIE STEPHENSON CPA PFS | Board Member | 1 | $0 |
| BILL BAKKEN MD | Board Member | 1 | $0 |
| CARL MANELIUS | Board Member | 1 | $0 |
| DICK WILLIAMS RPh | Board Member | 1 | $0 |
| KENNY LIN MD | Board Member | 1 | $0 |
| NIKITAS ZERVANOS MD | Board Member | 1 | $0 |
| ROBERT AICHELE DO | Board Member | 1 | $0 |
| I STANLEY PORTER MD | Board Member | 1 | $0 |
| ELIZABETH THOMPSON RN BSN MBA | Board Member | 1 | $0 |
| F JOSEPH BYORICK | Board Member | 1 | $0 |
| FRED SAUNDERS MD | Board Member | 1 | $0 |
8 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| HEATHER TENNIES | Board Member | 1 | $0 |
| HILARY AQUINO PhD | Board Member | 1 | $0 |
| JOAN BOBEN RN | Board Member | 1 | $0 |
| KRISTY ASKEY | Board Member | 1 | $0 |
| LOUISE STEVENSON PHd | Secretary | 1 | $0 |
| LYNN DOLAN DDS | Board Member | 1 | $0 |
| JON SCHROCK MD | Board Member | 1 | $0 |
| ROBERT HALLINGER ESQ | Board Member | 1 | $0 |
990-EZ for the year ended December 31, 2024: 25 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| BARTON HALPERN MD | PRESIDENT | 5 | $0 |
| GERALD ROTHACKER MD | TREASURER | 5 | $0 |
| JOSEPH IRWIN MD | VICE PRESIDENT | 5 | $0 |
| ALAN PETERSON MD | Board Member | 1 | $0 |
| ANGIE STEPHENSON | Board Member | 1 | $0 |
| BILL BAKKEN MD | Board Member | 1 | $0 |
| CARL MANELIUS | Board Member | 1 | $0 |
| DICK WILLIAMS RPh | Board Member | 1 | $0 |
| KENNY LIN MD | Board Member | 1 | $0 |
| NIKITAS ZERVANOS MD | Board Member | 1 | $0 |
| ROBERT AICHELE DO | Board Member | 1 | $0 |
| SHAWN GALLAGHER PhD | Board Member | 1 | $0 |
| I STANLEY PORTER MD | Board Member | 1 | $0 |
| ELIZABETH THOMPSON RN BSN MBA | Board Member | 1 | $0 |
| F JOSEPH BYORICK | Board Member | 1 | $0 |
| FRED SAUNDERS MD | Board Member | 1 | $0 |
| HEATHER TENNIES | Board Member | 1 | $0 |
| HILARY AQUINO PHd | Board Member | 1 | $0 |
| JOAN BOBEN RN | Board Member | 1 | $0 |
| KRISTY ASKEY | Board Member | 1 | $0 |
| LOUISE STEVENSON PHd | Secretary | 1 | $0 |
| LYNN DOLAN DDS | Board Member | 1 | $0 |
| JON SCHROCK MD | Board Member | 1 | $0 |
| ROBERT HALLINGER ESQ | Board Member | 1 | $0 |
| SUSAN ECKERT MEd | Board Member | 1 | $0 |
990-EZ for the year ended December 31, 2023: 25 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| BARTON HALPERN MD | PRESIDENT | 5 | $0 |
| GERALD ROTHACKER MD | TREASURER | 5 | $0 |
| JOSEPH IRWIN MD | VICE PRESIDENT | 5 | $0 |
| ALAN PETERSON MD | Board Member | 1 | $0 |
| ANGIE STEPHENSON | Board Member | 1 | $0 |
| BILL BAKKEN MD | Board Member | 1 | $0 |
| CARL MANELIUS | Board Member | 1 | $0 |
| DICK WILLIAMS | Board Member | 1 | $0 |
| KENNY LIN MD | Board Member | 1 | $0 |
| NIKITAS ZERVANOS MD | Board Member | 1 | $0 |
| ROBERT AICHELE MD | Board Member | 1 | $0 |
| SHAWN GALLAGHER MD | Board Member | 1 | $0 |
| I STANLEY PORTER MD | Board Member | 1 | $0 |
| ELIZABETH THOMPSON RM | Board Member | 1 | $0 |
| F JOSEPH BYORICK | Board Member | 1 | $0 |
| FRED SAUNDERS MD | Board Member | 1 | $0 |
| HEATHER TENNIES | Board Member | 1 | $0 |
| HILARY AQUINO PHd | Board Member | 1 | $0 |
| JOAN BOBEN | Board Member | 1 | $0 |
| KRISTY ASKEY | Board Member | 1 | $0 |
| LOUISE STEVENSON PHd | Secretary | 1 | $0 |
| LYNN DOLAN DDS | Board Member | 1 | $0 |
| MANJEET KAUR MD | Board Member | 1 | $0 |
| ROBERT HALLINGER ESQ | Board Member | 1 | $0 |
| SUSAN ECKERT | Board Member | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 410 N LIME ST, LANCASTER, PA 17602-2337
- In care of
- % KIMBERLY JOVINELLI
- Signed the 990-EZ
- ERIN PLOTCHER, EXECUTIVE DIRECTOR
Mission
OPERATE A MEDICAL MUSEUM AND PROVIDE COMMUNITY EDUCATION
Program accomplishments
- To operate a medical museum and provide community education the Lancaster Medical Heritage Museum is a nonprofit focused on preserving and sharing Lancaster Countys medical history through exhibits community programs collections management and public engagement. In 2025 the museum enhanced its educational outreach with school tours for 86 students four Homeschool Days with 128 attendees three community yoga classes and four public programs with 116 visitors. It continued to develop exhibits on local medical history healthcare innovation and community care. Additionally the museum offered internships for students interested in various fields related to medicine history museum studies archival work exhibit design research and public relations providing valuable professional experience and mentorship.
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-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 22-2464097
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1984
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $320,674
- Income (IRS master file)
- $102,091
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $101,413 | $82,269 | $320,674 | IRS |
| 990-EZ | December 2024 | $48,559 | $88,686 | $291,157 | XML |
| 990-EZ | December 2023 | $109,077 | $93,277 | $319,141 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | 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 22-2464097).
Questions about LANCASTER MEDICAL HERITAGE MUSEUM
- What is the EIN of LANCASTER MEDICAL HERITAGE MUSEUM?
- The employer identification number (EIN) of LANCASTER MEDICAL HERITAGE MUSEUM is 22-2464097.
- Is LANCASTER MEDICAL HERITAGE MUSEUM tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1984.
- Are donations to LANCASTER MEDICAL HERITAGE MUSEUM tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does LANCASTER MEDICAL HERITAGE MUSEUM 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 LANCASTER MEDICAL HERITAGE MUSEUM 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 LANCASTER MEDICAL HERITAGE MUSEUM last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who are the officers and directors of LANCASTER MEDICAL HERITAGE MUSEUM?
- The 990-EZ for the year ended December 31, 2025 lists 23 people; 0 received compensation from the organization.
- How much revenue does LANCASTER MEDICAL HERITAGE MUSEUM have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $101,413, expenses of $82,269 and total assets of $320,674 at year end.
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