About Us

Brandy Mountcastle, BS, MMS, PA-C, is owner and director at Mountcastle Medical & Med Spa in Lillington, North Carolina. Brandy is an experienced practitioner who believes in holistic care and natural solutions for managing health and wellness.

A Harnett County local, Brandy is passionate about serving her community, providing exceptional patient care to the medically underserved area. Brandy brings a tailored approach, treating every patient like family.

After earning her Bachelor of Science in microbiology with a minor in biochemistry at Methodist University in Fayetteville, North Carolina, Brandy completed her Physician Assistant Studies program, also at Methodist University.

Brandy has been a practicing physician assistant since 2009. She has high-level experience in many areas of medicine, including pain management, addiction medicine, neurology, sleep medicine, and holistic medicine. Brandy enjoys working in primary care and offering interventional pain procedures. She loves cosmetic dermatology, and is both, experienced and talented in cosmetic dermatology procedures such as neurotoxins and dermal fillers.

Outside of the office, Brandy spends time with her husband and four children. They enjoy outdoor activities like camping, hiking, and fishing, and they also keep bees and chickens. Brandy wants her patients to know she’s just like them and genuinely concerned for their well-being.

Kayla Watts, PA-C, is a board-certified Physician Assistant who combines exceptional clinical knowledge with a warm, energetic personality that immediately puts patients at ease. She earned her Master of Physician Assistant Studies from Wingate University after completing her undergraduate studies in Human Biology at North Carolina State University.

Before becoming a Physician Assistant, Kayla spent several years working in dermatology practices throughout North Carolina, where she developed a strong foundation in patient care, clinical procedures, and medical decision-making. She later completed extensive clinical training in family medicine, internal medicine, emergency medicine, women’s health, pediatrics, psychiatry, surgery and urgent care, giving her a well-rounded perspective on patient care.

Kayla is passionate about helping patients improve their health, prevent disease, and achieve their wellness goals. She is proud to serve the communities of Harnett County and surrounding areas as a member of the Mountcastle Medical team, and we are proud to have her on our team.  Since being here she has earned the trust of patients and colleagues.