About Us

About Our Practice


McKenzie Family Medicine & MedSpa is a patient focused practice that is 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 through 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 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 with the hope to minimize the long term effects of uncontrolled chronic conditions. Hormone replacement therapy (bioTE® HRT) and vitamin therapy for men and women is also something 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.


  • Undergraduate Education: Texas A&M University : 1999
  • Medical Education: University of Texas Health Science Center: San Antonio, TX : 2003
  • Residency: Christus Santa Rosa Family Medicine Residency Program : 2003 – 2006
  • Board Certifications: American Board of Family Medicine : 2006 – Current
  • Affiliations: Texas Medical Association, American Academy of Family Practice


Crissy Welch, DNP, APRN, FNP-BC


Dr. Crissy Welch is a seasoned board certified Family Nurse Practitioner with over 20 years of experience and extensive training in healthcare. Crissy spent many years working ER 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 end-of-life. She is particularly passionate about holistic healthcare, aesthetic medicine, IV Vitamin Therapy 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.


  • Undergraduate Education: University of Texas at Arlington (2003)
  • Graduate Education: University of Texas at Arlington (2007)
  • Post-Masters Doctoral Education: Texas Christian University (2015)
  • Board Certifications: Texas Board of Nursing (2000-current); American Nurses Credentialing Center (2008-current)
  • Affiliations: American Association of Nurse Practitioners, Texas Nurse Practitioners, Sigma Theta Tau


Ryann Gille, MSN, APRN, FNP-C


Ryann Gille is a board certified Family Nurse Practitioner specializing in family medicine with an additional background in women’s health nursing. She graduated from Frontier Nursing University’s Family Nurse Practitioner program in 2018 and holds a Masters of Science in Nursing (MSN) as well as an Associate Degree in Nursing (ADN) from Tarrant County College.


Ryann loves caring for patients of all ages, but is particularly passionate about women’s health, weight management through our weight loss program, and promoting health and wellness. She incorporates scientific knowledge with evidence-based practice to help clients feel their best by assisting them in setting and achieving healthy lifestyle goals. Ryann is also certified in Nexplanon and IUD insertion/removal and hormone replacement therapy (bioTE® HRT). Originally from Godley, Ryann currently resides in Burleson with her husband and three children. Some of her hobbies include hiking, archery, fishing/hunting, cooking/baking, and reading.


  • Undergraduate Education: Tarrant County College (2009)
  • Graduate Education: Frontier Nursing University (2018)
  • Board Certifications: Texas Board of Nursing (2010-current); American Association of Nurse Practitioners (2018-current)
  • Affiliations: American Association of Nurse Practitioners, Texas Nurse Practitioners


Medical Staff


Office Manager


LVN, Clinical Manager








Administrative Staff

Medspa Staff


NRCMA, MedSpa Coordinator




Licensed Aesthetician, Certified Laser Technician

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