About Your Team

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Dr. Jane T. Nguyen, M.D.

Dr. Jane T. Nguyen, M.D. is a board-certified dermatologist and co-founder of Dermatology Center of Loudoun. Her areas of special interest are skin cancer and pediatric dermatology. Her professional memberships include the American Academy of Dermatology and the Medical Society of Virginia.


Dr. Khoa Tran, M.D.

Dr. Khoa Tran, M.D. is a co-founder of Dermatology Center of Loudoun. He received his medical degree at New York Medical College in 1999 and completed his residency training in internal medicine at the Hospital of the University of Pennsylvania.


Sofia Hanger, PA-C

Sofia Hanger, PA-C is a board-certified Physician Assistant who completed her undergraduate degree from James Madison University in Harrisonburg, Virginia. She went on to earn her Master’s degree in Physician Assistant studies from Emory University in Atlanta, Georgia.


Keri Church, PA-C

Keri received her BA in Psychology at Georgetown University and completed both a Masters in Management at Wake Forest University School of Business along with her Physician Assistant degree at Wake Forest University School of Medicine.


Meredith Mahen, PA-C

Meredith Mahen, PA-C is our newest physician assistant who actually started her dermatology career as a medical assistant with our practice after obtaining her BS degree in Health Sciences and Biology at James Madison University in 2017.  With prior experience as an EMT, she impressed us with her work ethic, patient care skills, and intellectual curiosity as an MA at DCL.

Brittany Sherer

Brittany Sherer, Practice Manager

The employee we are perhaps most proud of is our practice manager, Brittany Sherer.  Britt started with DCL all the way back in 2014 at the front desk.  Not surprisingly, she comes from a background of generations of firefighters and community service.  With DCL, Britt was looking for a practice where she would be exposed to patients of all ages, building long-term connections with our community’s families.

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Office Hours


Mon-Wed 8am - 4:30pm
Thu 8:30am - 6pm
Fri 8:30am - 3:30pm


Tue 8am - 4:30pm
Wed 8:30am - 3:30pm
Thu 8am - 4pm

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