Our Staff

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Our professionals at Medical Surgical Specialists of Kerrville maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in gastroenterology.

Mission Statement

Our practice is working together to realize a shared vision of uncompromising excellence in gastroenterology.

To fulfill this mission, we are committed to:

  • Listening to those we are privileged to serve.
  • Earn the trust and respect of patients, peers and community.
  • Exceed expectations.
  • Ensure a compassionate, professional environment.
  • Strive for continuous improvement at all levels.

Dr. Ducker

Thomas E. Ducker, MD

Dr. Thomas E. Ducker practices gastroenterology in Kerrville. He is a native of Dallas, Texas and graduated with Honors from the University of Texas at Austin. He completed Medical School at the University of Texas Southwestern Medical School in Dallas and served Internship and Residency in Internal Medicine at the Vanderbilt University Medical Center in Nashville, Tennessee. He also completed a Fellowship in Gastroenterology at the University of Texas Medical Branch, Galveston.


Jennifer, LVN

Jennifer graduated from Schreiner University and has been with MSSK since 1997. She takes care of patients, prescription prior authorizations and refills, assists the physician, and schedules procedures. She is also the Payroll and Accounts Payable manager and our IT technician and trainer.


Melissa, LVN 

Melissa graduated from Schreiner University in 1999 and has been with MSSK since 2006. She balances patient care,  scheduling procedures, assisting the doctor with office visits and prior authorizations and prescriptions.   Melissa says, "I love working with a team where patient care is most important."


Lindsey, Administrative Assistant

Lindsey has been working for Dr. Ducker since the fall of 2016.  She is in charge of scheduling, patient paperwork, medical records, assists with billing, etc. She happily married and is a full-time mom so she often brings her infant son to work.


Elma, Billing and Insurance

Elma has been employed with MSSK since 2004.  She is the Billing Manager for the practice.  Elma states, "I have enjoyed working for Dr. Ducker!  It helps to work for such compassionate employers.  My goal in this company is to do my best to help our office progress, continue serving and be here for our patients." She and her husband run the best body shop in town. Visit them at A&E Custom Shop!

Our Location

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Hours of Operation

Our Regular Schedule


8:30 am-12:00 pm

1:00 pm-5:00 pm


8:30 am-12:00 pm

1:00 pm-5:00 pm


8:30 am-12:00 pm

1:00 pm-4:30 pm


8:30 am-12:00 pm

1:00 pm-5:00 pm


8:30 am-12:00 pm