Walker Plastic Surgery


Registered Nurse/Nurse Injector

Dewina Acosta, RN works directly with Dr. Walker as part of his clinical care team and as an aesthetic nurse injector. Dewina has over 20 years of combined experience in both dermatology and plastic surgery in the DFW area. Over the years she has specialized in skin care and aesthetic injectables which she considers to be very creative and artistic work. Whether aesthetic or more medical in nature, Dewina takes pride in being able to connect with her patients and understand their individual desires to help them achieve their goals. She is passionate about her relationships with her patients; this, combined with her experience in direct patient care, surgery and injectables make her the perfect person to guide you thru your plastic surgery experience. Dewina is happily married to her high school sweetheart and together they have raised three beautiful children. In her spare time, she enjoys reading, gardening and getting to the ocean as much as possible.

Dewina Acosta RN


Providing the best patient experience is a team effort! Our staff provides you with a great experience because we all have the same mission; to make you feel special! Read below to learn more about our team.


Business Manager/Marketing Director

As Walker Plastic Surgery’s Business Manager and Marketing Director, Nikki helps optimize patient care by coordinating the best ways to get our specials and educational information to them. She also works in the background to make sure our patients have all the necessary supplies and inventory needed to give them their best results! Nikki is originally from Louisiana where she earned her Bachelor’s Degree in Accounting at Loyola New Orleans. After graduation, she worked as a Tax Accountant at Ernst & Young. When she is not working, Nikki enjoys spending her free time with family, baking, and relaxing by the pool.

Nikki Walker


Practice Manager/Cosmetic Coordinator/Billing Specialist

As Walker Plastic Surgery’s Practice Manager, Alex is responsible for the day-to-day administrative tasks as well as coordinating patients for procedures. She meets with patients after their consult with Dr. Walker, gives cosmetic quotes, discuss any necessary financing, schedule surgeries, coordinates pre-authorizations for insurance, and does everything else necessary to make every patient feel comfortable and well taken care of when making these important decisions. Alex is a native of the DFW area and has worked in Plastics or Cosmetic Dermatology Field for the better part of a decade. When not working, Alex enjoys time with her daughter and loves hanging out with friends and family. 

Alex Johnston


Medical Aesthetician

Charlene Wilson,  LME, CLT is a licensed Medical Aesthetician with over 30 years of experience in advanced Aesthetic Procedures. She has an extensive background in laser treatments including IPL, skin resurfacing, and hair reduction. In addition, Charlene offers customized Hydrofacials and Chemical Peels and can help you develop a personalized skin care protocol to help you achieve your best results. She prides herself in providing great results as well as a relaxing, soothing environment that will help you feel rejuvenated.