Maria A. Bogaert, MD
Dr. Maria Bogaert is a board-certified dermatologist, dermatological surgeon, and a fellow of the American Academy of Dermatology. Born and raised in the Dominican Republic, Dr. Bogaert graduated summa cum laude from Universidad Nacional Pedro H. Urena. She completed dual residencies in Internal Medicine and Dermatology at the University of Miami School of Medicine, where she also served as chief resident. Dr. Bogaert has been in practice in Winchester, Virginia for over 20 years. She enjoys caring for both adults and children with disorders of the skin, and is interested in general and surgical dermatology.
Frederick G. Wenzel, MD
Dr. Wenzel graduated summa cum laude from Davidson College and completed his medical degree at Duke University with honors. In addition, he was a basic science research fellow at Harvard University as the recipient of the prestigious Sarnoff Fellowship Program, and was awarded a student research award from the National Institutes of Health. He completed an internship in Internal Medicine and a residency in Dermatology at Johns Hopkins Hospital, and was selected as chief resident in Dermatology during his final year. He has been practicing general and surgical dermatology in Winchester since 1997. His interests include medical dermatology, autoimmune dermatologic disorders, and skin cancer surgery.
Kaitlin Kersey, DNP, APRN, FNP-C
Kaitlin Kersey is a Family Nurse Practitioner certified by the American Academy of Nurse Practitioners. A Virginia-native, Kaitlin completed her Bachelor of Science in Nursing at George Mason University graduating magna cum laude and later returned to serve as an adjunct faculty member for the GMU School of Nursing. After establishing her career as a nurse, Kaitlin attended Frontier Nursing University earning a Master of Science in Nursing and ultimately her Doctorate of Nursing Practice. Kaitlin values the variety of experience that nursing has afforded her, having cared for diverse patient populations ranging from neonatal through geriatric and in settings from home-health to inpatient hospital care. Kaitlin maintains a patient-centered approach to care and is honored to serve her local community. When she is not working, Kaitlin enjoys spending time with her family, hiking, biking and cooking.
Ashley Watterson, DNP, APRN, ANP-BC
Ashley Watterson is a board-certified Nurse Practitioner with over 15 years of combined experience in the healthcare field. She graduated with honors from Shenandoah University with her Bachelor of Science in Nursing in 2007. While practicing as a Registered Nurse on the Post-Surgical/Trauma Unit, she decided to further her education. She obtained her Master of Science in Nursing and completed her Nurse Practitioner training through the University of Cincinnati in 2012. Upon graduating, Ashley obtained her board certification through the American Nurses Credentialing Center (ANCC) as an Adult Nurse Practitioner. She completed her doctoral program in 2022 through Maryville University of St. Louis. Ashley possesses experience in the acute/urgent care setting and primary care. She is looking forward to expanding her knowledge base and skills set with the team at Dermatology Associates.
Throughout her time as a Nurse Practitioner, Ashley has maintained active memberships with several national organizations including the ANCC, the American Academy of Nurse Practitioners (AANP), and the Rho Pi, Beta Iota, and Omicron-Iota Chapters of Sigma Theta Tau International Honor Society of Nursing.
Lauren Shanholtz, NP
Lauren Shanholtz is a dedicated Advanced Practice Registered Nurse with a strong background in maternal and newborn care. She graduated with honors from Potomac State College of WVU in 2021 with a Bachelor of Science in Nursing. Her commitment to excellence and patient care led her to further her education, pursuing a Master of Science in Nursing at Frontier Nursing University. During her nurse practitioner training, Lauren completed a 135 hour internship with Dermatology Associates.
Lauren’s experience and advanced training have equipped her with a deep understanding of both the clinical and emotional aspects of patient care. Her approach combines evidence-based practices with compassionate care, ensuring a holistic and patient-centered experience.
Erica Mailler, MD
Dr. Erica Mailler is a board-certified Dermatologist and fellowship-
trained Mohs micrographic surgeon, specializing in the treatment of
skin cancer. Dr. Mailler practices by the motto "Caring for you and the skin you're in". She believes that the skin is a window into the health of the mind and body and strives to care for you and your skin by
getting to know you as a whole person.
Dr. Mailler's undergraduate degree in Bioethics is from the University of Virginia. She earned her medical degree at Wright State University School of Medicine in Dayton, where she graduated Alpha Omega Alpha (national medical honor society). Dr. Mailler then completed a dermatology residency and a prestigious Mohs fellowship at the University of Cincinnati.
Dr. Mailler has been published in many peer-reviewed journals
including Dermatologic Surgery, Journal of the American Academy of
Dermatology, and Archives of Dermatology.
Dr. Mailler is a fellow of the American Academy of Dermatology and American College of Mohs Micrographic Surgery. She is a diplomate of the American Board of Dermatology and a member of the Women's Dermatologic Society and the American Society for Dermatologic Surgery.
Megan Armstrong, Aesthetic Nurse
Megan earned her Bachelor of Science degree from James Madison University and is an aesthetic nurse specialist. Megan has over 15 years of experience in the field of cosmetic dermatology and plastic surgery, specializing in aesthetic procedures and dermal fillers. She is extremely passionate about her work and her commitment to providing the highest level of patient care. Patients who have the opportunity to work with Megan appreciate her attention to detail and the natural results she helps them attain. Megan is an active member of the Dermatology Nurses Association. She continues to seek out the latest education and non-surgical innovations. “Developing a patient’s trust and achieving a natural, desired result is my priority.”