About Our Practice
McKenzie Family Medicine & MedSpa is a patient-focused practice founded on integrity and compassion. We are determined to bring a level of excellence to the delivery of services to each of our patients to achieve great outcomes.
Our standards of care are deeply rooted in the Christian values we uphold. We build professional provider-patient relationships that help promote a trusting environment.
Heather McKenzie, M.D.
Dr. Heather McKenzie is a board-certified family medicine physician who has been actively practicing family medicine since 2006, treating all ages and conditions. She has always enjoyed the breadth that family medicine has to offer. Dr. McKenzie takes a special interest in preventative medicine and wellness, hoping to minimize the long-term effects of uncontrolled chronic conditions. Hormone replacement therapy (bioTE® HRT) and vitamin therapy for men and women are also things Dr. McKenzie is passionate about, as these help her patients feel their best. She has taken a special interest in skincare since 2011, furthering her education with multiple courses in laser treatments, dermal fillers (Juvederm®), botulism toxin (Botox®), microneedling (SkinPen®), PRP and PRFM, and PDO threading (Miracu®) under several instructors including plastic surgeons. As Dr. McKenzie continues to grow in all walks of medicine, it fuels her passion to help her patients using her creative abilities. Her main goal is to provide affordable healthcare and aesthetic care to help clients feel confident as we all age gracefully. Originally from Joshua, Dr. McKenzie was happy to return home in 2008 to raise her two boys, Blake and Hunter, with her husband, Bryan. Dr. McKenzie enjoys spending time with her family, traveling, cooking, and raising cattle.
Crissy Welch DNP, APRN, FNP-BC
Dr. Crissy Welch is a seasoned, board-certified family nurse practitioner with over 24 years of experience and extensive training in healthcare. Crissy spent many years working in emergency medicine and trauma before pursuing her advanced degrees. She earned her Bachelor’s and Master’s degrees from UTA, and her Doctoral degree from TCU. Specializing in family medicine since 2008 and aesthetic medicine since 2011, Crissy is passionate about helping her patients develop personalized health and wellness and anti-aging programs.
Crissy enjoys taking care of all clients from birth through the end of life. She is particularly passionate about healthcare, aesthetic medicine, IV Vitamin Therapy, weight loss treatments and hormone replacement therapy (bioTE® HRT) and loves helping patients look and feel their best both inside and out. Experienced in Botox®, dermal fillers (Juvederm®), Kybella®, microneedling (SkinPen®), PRP and PRFM, PDO threading (Miracu®) and laser treatments, Crissy effectively combines scientific knowledge and artistic creativity to deliver stellar medical grade skin care services for her clients. Born and raised in Johnson County, Crissy is a hometown girl who is originally from Rio Vista and currently resides in Burleson with her husband, Brad, and son, Tyler. She enjoys traveling, fishing, gardening, bird watching, and soaking up the sunshine.
Lauren Swanson APRN, FNP-C
Lauren Swanson APRN,FNP-C is a dedicated, board-certified Family Nurse Practitioner with a strong background in critical care and a passion for delivering comprehensive, patient-centered healthcare. Lauren began her nursing career after earning her Bachelor of Science in Nursing from the University of South Alabama in 2019, where she went on to work as a Pediatric ICU nurse, gaining valuable experience caring for critically ill children.
She expanded her clinical expertise through five years of travel nursing at prestigious institutions, including Children’s National Hospital in Washington, D.C., and Johns Hopkins Hospital in Baltimore, Maryland. These experiences allowed Lauren to care for diverse patient populations and further strengthen her clinical skills in high-acuity settings.
In 2024, Lauren earned her Master of Science in Nursing and completed her Family Nurse Practitioner training at the University of South Alabama. She subsequently practiced as an FNP-C in Maryland before relocating to Texas in May 2025 with her husband and daughter.
Lauren specializes in the management of chronic conditions, weight management, and providing comprehensive, individualized care to patients across the lifespan. She is committed to helping her patients achieve optimal health and wellness through evidence-based practice and compassionate care.
Originally from South Alabama, Lauren values building strong relationships with her patients and creating a supportive environment where individuals feel heard and empowered in their healthcare journey. Outside of her professional life, she enjoys reading, hiking, and traveling.
Medical Staff           Â
TJ
LVN, Clinical Manager
Natalie
MA
April
NRCMA
Amanda
MA
MedSpa
MedSpa Team
Team McKenzie MedSpa
Britt
Licensed Aesthetician, Certified Laser Technician
             Front Desk
Lana
Front Office Lead
Tatum
Front Office