Office Staff

Jennifer Sheehan: Office manager, Medical assistant

Jennifer graduated from Whittier Vocational Technical High School as a certified nursing assistant in 2006. She continued her education at Hesser College, graduating as a medical assistant in 2006. After working at Anna Jaques Hospital and Women's Health Care, she joined our practice in 2009. Jen is happy to answer any question, help you plan appointments or resolve any concerns in a friendly, confident manner. It is very important to her that your experience here at Merrimack Valley is positive.

In her spare time, she enjoys spending time with her husband and their two weimaraners.

Gabriella Zarba: Medical assistant

Gabby has been with our practice since 2014. She attended Northern Essex Community College's medical assistant program. She completed her internship with us and we liked her so much, we hired her! Her favorite part of working with children is seeing how much they've grown and learned between each visit. On her days off, she likes to spend time with her two children doing arts and crafts, playing outside, watching movies, cooking and baking.

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Contact Us

Office Hours


9:00 am-4:30 pm


9:00 am-4:30 pm


9:00 am-4:30 pm


9:00 am-4:30 pm


9:00 am-12:00 pm