Sarah Stiriss, MSN, FNP-BC, is a board-certified family nurse practitioner and joined Texas Colon & Rectal Specialists in 2021. After graduating from Middle Tennessee State University, Sarah received her Master of Science in Nursing from Vanderbilt University. She has a wide range of experience in surgery and has assisted in more than 1,000 minimally invasive robotic and open procedures. Sarah worked in female pelvic and reconstructive surgery for approximately nine years prior to transitioning to colon and rectal surgery. Sarah sees patients in the clinic for new and ongoing conditions and assists Dr. Lakshman in robotic, open and local surgeries.

Provider Type

Nurse Practitioner


Colon and Rectal Surgery


Texas Colon & Rectal Specialists–Austin North
13915 N. Mopac Expressway, Suite 100
Austin, TX 78728
Phone: 512-220-7002
Fax: 512-418-1943

Spoken Languages



  • Master of Science in Nursing
    Vanderbilt University
    Nashville, TN
  • Bachelor of Science in Biology
    Middle Tennessee State University
    Murfreesboro, TN

Accolades & Memberships

  • Sarah obtained specialized training as a surgical first assist and has been a clinical preceptor to nurse practitioners in training.

Primary Hospital Affiliations and Surgical Facilities

  • Seton Medical Center
  • St. David’s Medical Center
  • St. David’s North Austin Medical Center
  • St. David’s Round Rock Medical Center
  • St. David’s South Austin Medical Center

Other Information

Sarah grew up in Austin, Texas, and enjoys providing quality colorectal care in the community. Outside of work, she enjoys gardening, travel, yoga, watching sports and outdoor activities.


Existing patients please access the patient portal login to request an appointment.