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Holly Ryerson Dahlman, MD, FACP
Dr. Holly Dahlman 4/21/26 Dr. Holly Dahlman 4/21/26

Holly Ryerson Dahlman, MD, FACP

CEO

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Zachary Nayak, MD, MBA
Dr. Holly Dahlman 4/20/26 Dr. Holly Dahlman 4/20/26

Zachary Nayak, MD, MBA

Physician

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Idongesit Usoroh (Don), MD
Dr. Holly Dahlman 4/17/26 Dr. Holly Dahlman 4/17/26

Idongesit Usoroh (Don), MD

Lead Care Manager and Operations Lead

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Ashley Synan
Dr. Holly Dahlman 4/17/26 Dr. Holly Dahlman 4/17/26

Ashley Synan

Administrative Assistant

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Kaiya Forman
Dr. Holly Dahlman 4/16/26 Dr. Holly Dahlman 4/16/26

Kaiya Forman

Certified Medical Assistant

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Amanda Duong
Dr. Holly Dahlman 4/15/26 Dr. Holly Dahlman 4/15/26

Amanda Duong

Certified Medical Assistant

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Eric Kim
Dr. Holly Dahlman 4/14/26 Dr. Holly Dahlman 4/14/26

Eric Kim

Medical Office Assistant

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GREEN SPRING INTERNAL MEDICINE


Founded in 2006 by Dr. Holly Dahlman, Green Spring Internal Medicine is a team-based independent internal medicine practice located in Lutherville, Maryland.

Mon: 8 AM–7 PM
Tue - Fri: 8 AM-5 PM

2360 W Joppa Road – Suite 210 Lutherville, MD 21093

Phone: 410-583-2890

Fax: 410-583-2891

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Letter to Patients
January 25, 2026
Letter to Patients
January 25, 2026
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