Meet the Team


Dr. Allison Wells, MD

Dr. Wells is a licensed, board-certified anesthesiologist who is experienced in providing anesthesia to all types of patients, from straightforward to complex cases. Her passion is helping patients achieve optimal outcomes in a safe, professional and comfortable manner.

Dr. Wells holds degrees from Swarthmore College and Baylor College of Medicine. She trained at Baylor College of Medicine and Harvard Medical School. She is a member of the American Society of Anesthesiologists, The Texas Society of Anesthesiologists and the Texas Medical Association.


Megan Thomas, CRNA

Megan Thomas is a certified registered nurse anesthetist with a doctorate in nursing practice from the University of Tennessee Health Science Center. She currently practices at Lone Star Infusion in Houston and is dedicated to helping patients find relief from their pain and mood disorders.

Prior to obtaining her doctorate, Megan practiced as a registered nurse in intensive care units in her home state of Tennessee. She has been practicing as a nurse anesthetist in Houston since 2016, and is excited to be able to use her skills and knowledge to bring comfort and healing to patients. She is a member of the American Association of Nurse Anesthetists and the Texas Association of Nurse Anesthetists.


Ana Guillen, Office Manager

Ana Guillen is the office manager at Lone Star Infusion at the Houston location, where she ensures our daily operations run smoothly. She attended Sanford Brown College in 2014 where she obtained her certification in Medical Billing and Coding. Formerly, Ana worked as the Patient Care Manager with Cole Health where she worked with both adults and children providing Physical, Occupational, and Speech Therapy. She is passionate about helping others and looks forward to the many opportunities in the future at Lone Star Infusion.

Lone Star Infusion
14740 Barryknoll Lane, #140
Houston, TX 77079
Phone: 281-719-9300
Fax: 281-719-9393
Office Hours

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