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.


David Kleiman, CRNA

David Kleiman is a certified registered nurse anesthetist with a graduate degree from the Univeristy of Texas Health Science Center. He has been practicing in the Houston area since 2015 and has worked in many different settings during that time.

David earned undergraduate degrees from the Colorado School of Mines as well as a graduate degree in Biomedical Engineering from the University of Southern California. He worked as a Biomedical Engineer in the medical device industry for six years prior to transitioning into anesthesia. He is excited by the opportunity to provide novel treatments for patients unable to find relief using conventional methods.


Todd Durel, CRNA

Todd is a certified registered nurse anesthetist who graduated from the nurse anesthesia program at the University of Texas Health Science Center at Houston in 2012.

Since graduation, Todd has worked in both private and academic facilities where he has provided anesthesia to a diverse patient population.


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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