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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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Employees Keystone Pet-Enhanced Therapy Services Tammy Derk

Tammy Derk

Director at Keystone Pet-Enhanced Therapy Services

Fiscal year ended December 31, 2018. Published on January 24, 2026.

$0

2018

Total compensation

Tammy Derk has been listed as an employee of Keystone Pet-Enhanced Therapy Services in Form 990 filings since fiscal year 2017.

Annual compensation details

$0

Director

2018

$0

Director

2017

Compare the compensation of Tammy Derk to:

Revisions to this profile

January 24, 2026:

2018 Keystone Pet-Enhanced Therapy Services 990 published

January 24, 2026:

2017 Keystone Pet-Enhanced Therapy Services 990 published

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2018

Other employees at Keystone Pet-Enhanced Therapy Services

Karen Gerth

Former Executive Director

$35,004

$35,004 ——

Sarah Zimmerman

Executive Director

$11,875

$11,875 ——

Larissa Galambos

Treasurer

$0

Katie Summers

Vice Chair

$0

Doug Hopwood

Chair

$0

Dr Krista Corey

Director

$0

Heather Girvin

Secretary

$0