Meet Our Providers

Sara Greer, MD
Board-Certified Dermatologist

Dr. Sara Greer is a board-certified dermatologist with over 15 years experience. She is a graduate of Southlake Carroll High School and obtained her undergraduate degree at the University of Texas in Austin. Upon entering medical school at Baylor College of Medicine, she became very active in melanoma research at MD Anderson Cancer Center.

Her formal educational training includes:

  • University of Texas (Austin, TX) – BA, Plan II
  • Baylor College of Medicine (Houston, TX) – Medical School
  • Georgetown University (Washington, DC) – Dermatology Residency

Upon completion of her training, Dr. Greer returned home to Southlake, Texas. In 2018, she founded Greer Dermatology Southlake to provide cutting edge dermatologic care and the ultimate patient experience. She is an advocate for skin cancer prevention and an expert in cosmetic dermatology treatments to maintain skin health, as well as beauty.

When she is not at work, Dr. Greer enjoys time with her husband and little boy and is frequently found on the sidelines of local sports games. She loves the chance to travel or create a new meal.

Andie Keller, PA-C
Physician Assistant

Andie Keller is a dedicated dermatology physician assistant with a primary focus on skin cancer prevention & overall skin health.  She is a native of Decatur, TX and obtained her undergraduate degree at the Texas A&M University.  Her interest in dermatology began during her father’s journey with melanoma many years ago, which fueled her drive to educate and treat.

Andie’s formal educational training includes:

  • Texas A&M University – BSN, Nursing
  • University of Texas Southwestern – Master, Physician Assistant Studies

Whether it’s a routine check-up or addressing more complex dermatological issues, Andie consistently goes above and beyond to create a positive and enriching healthcare experience for every patient. Her dedication to educating patients about skin cancer prevention and general skincare techniques showcases her genuine concern for their overall well-being.

In her free time, Andie can be found on the tennis court, spending time with her family, or adding to her collection of unique rocks while traveling.