PMC | Administrative Staff
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Brian Snyder
Vice President

Brian, co-owner of PMC, is also a firefighter for the City of Hagerstown and a BLS instructor for his own business, Snyder CPR and Safety Training. He is a Jack-of-all-Trades at PMC, assisting with equipment maintenance, office administration, and any other job that needs done.

When not at PMC, you’ll likely find Brian spending time with his three young boys (Michael, Mason & Maddox). The Snyder family loves spending time  hiking, swimming, and going on family vacations.


“As each has received a gift, use it to serve one another, as good stewards of God’s varied grace.” 1 Peter 4:10

Colleen Bal
Office Manager

Colleen joined the PMC team in the spring of 2017 and has “loved every minute of it.” She graduated from Michigan State University in 2011 with a Bachelor of Arts degree in International Relations and a specialization in entrepreneurship. After graduation Colleen work for NATO in Mons, Belgium. Since returning to the states to be closer to family, Colleen has worked in the medical field for the past 4 years. She believes that the small acts of kindness oftentimes make the biggest difference.


When Colleen is not at the PMC, you’d likely find her & husband Jake hiking with their fur-baby, Barkley or dabbling with photography. Whenever they have the chance, Colleen and her family love to travel. To date they’ve been to 10+ countries and counting!

Lynne Gaither
Administrative Assistant

Lynne joined the PMC team in the summer of 2020 with over 10 years of work experience in the medical field. When Lynne isn’t at the PMC Frederick clinic, you can find her serving her local community, specifically at an inner city outreach and food pantry, where Lynne serves as a pastor.

Lynne has three adult children (Reginald, Christopher and Teneshia) and five grandchildren with whom she loves spending her free time with. In Lynne’s words she feels “very fortunate to have been employed at the Pediatric Movement.”

We, too, feel fortunate to have Lynne part the PMC team!

Laura Moser-Shirley
Office Assistant
Laura is married with four children, Brooke, Ben, Emmalyn, and Hannah. She is a self proclaimed chaos coordinator. In addition to being a mom and wife, she is passionate about wellness and healthy living, essential oils and coffee. Laura has worked in pediatrics for 5 years, loves working with children, and is very excited about being a part of the PMC team.
Heidi Singleton
Billing Specialist

Heidi is an alumni of Grace Academy and joined the PMC team in 2016 with over 13 years of billing experience in the medical field.  In her free time, Heidi is an active member of her church and also enjoys reading, going to tea rooms, scrapbooking, and decorating (she is a member of a local Christmas ornament club and currently decorates 9 themed trees each year). Her greatest joy is spending time with her husband and daughter in their newly-built home. Heidi loves working at PMC because in her words, “she loves seeing the difference we can make in kids life” and enjoys “fighting on behalf of our clients for insurance coverage.”

Jessica Taylor
Office Assistant

She graduated from Broadfording Christian Academy in 2006. She is married with 3 beautiful children– Bailey, Bristol and Wesley. Along with being a full-time mother, Jessica also served as a teachers aide at Broadfording, which she credits for preparing her for her current position at PMC.


“I have always dreamed of making a difference in the lives children and I know working at PMC I’m a part of something amazing that has brought endless opportunities to children of all abilities. Seeing these extraordinary children working with our talented therapist and reaching goals they never knew possible is something I can look forward to everyday ! It will always be my goal to show every child and their family compassion and support.”

The PMC team is blessed to work with such wonderful kids and invested families. Thank you for giving us the opportunity to work together!