A Physician Assistant (PA) is a licensed healthcare professional who works alongside a licensed physician. A PA provides a broad range of health care services traditionally offered by physicians, to prevent and treat illness and injury. PA’s are trained to perform physical exams, diagnose and treat illnesses and injuries, counsel on preventive health care, order and interpret tests, assist in surgery and write prescriptions.
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Kristen Imbresia, PA-C Kristen Imbresia graduated from Skidmore College in 2003 with a degree in General Biology. She attended Quinnipiac University where she completed her Masters Degree in Physician Assistant Studies in 2007. When she is not working she enjoys hiking and skiing. |
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Joanna Gunasti, PA-C Joanna Gunasti graduated Summa Cum Laude from the University of New Mexico in 2000 with a Bachelor of Science degree in Biology. She received a Master of Science degree in Physician Assistant Studies in 2004 from the University of New England. She joined NWOA’s Hand Division in 2006. In her spare time she enjoys running, spinning, and hiking. |
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Lindsey Nichols, PA-C Lindsey Nichols received a B.S. in Laboratory Technology and a B.A. in Chemistry from Auburn University in 2004, where she was elected to the Lambda Tau Honor Society. She received her degree in Physician Assistant Studies at Long Island University in 2008. She joined NWOA in December, 2008. In her leisure time she enjoys running and travel. |
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Andrew Macknair, PA-C Andrew MackNair graduated from the University at Albany in 2006 with a degree in Sociology before completing a Post-Baccalaureate Premedical Program at the University of Vermont. He attended Duke University where he completed his Masters Degree in Physician Assistant Studies in 2012. Outside of work, Andrew enjoys running, skiing and Duke basketball. |
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Mariah Mullen, PA-C Mariah Mullen graduated from Boston College in 2008 with a Bachelor of Science degree in Biology. She received a Masters of Science in Physician Assistant Studies in 2012 from Seton Hall University in New Jersey where she was elected to the Alpha Eta Honor Society for Health Care Professionals. |




