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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Organizations Diseases, Disorders & Medical Parkinson Study Group Inc.

Parkinson Study Group Inc.

Fiscal year ending 2024. Filed on July 15, 2025.

114 16th Street Ste 3002
Charlestown, Massachusetts 02129

Parkinson Study Group Inc. (EIN: 46-5749468) has filed an IRS Form 990 between fiscal years 2019 and 2024. In its fiscal year 2024 IRS Form 990 filing, Parkinson Study Group Inc., a 501(c)(3) charitable organization, reported compensation for 1 out of 1 total employees. Among the employees shown here, the average compensation is $0.

Revenue, expenses, and employee compensation

Revenue

$966,157

Expenses

$998,585

Employee compensation

$221,161
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Sarah Sperling
Executive Director
$0

Benchmark Employee Compensation

Non-Employee Board Members

Andrew Siderowf
Chair
Cindy Casaceli
Board Member
Eric MacKlin
Board Member
Joohi Jimenez-Shahed
Co-Chair

Mission Statement

See Schedule O

Revisions to this organization profile

July 15, 2025:
2024 Parkinson Study Group Inc. 990 filed
August 14, 2023:
2022 Parkinson Study Group Inc. 990 filed
January 30, 2023:
Amended (originally filed August 16, 2022)2021 Parkinson Study Group Inc. 990 filed

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