Team Members


Permanent Faculty Team Members

Allison-Andrew-webAndrew Allison, MD, is a proud, native Houstonian. After completing his medical degree at University of Texas Medical Branch in Galveston, TX, he completed his internship in Internal Medicine and residency in Anesthesiology at the University of Texas Health and Science Center in Houston, graduating in 2010.   With a strong interest in caring for the sickest patients, he completed a fellowship in Cardiac Anesthesiology at the Texas Heart Institute at St. Luke’s Hospital, graduating in 2011 with a certification in advanced Transesophageal Echocardiography.  After a brief stent working in private practice in Dallas, TX, he returned to his alma mater in 2013 to join the faculty.  He now works in a variety of roles, including the Solid Organ Transplant Team, the Neuroanesthesia Pod, the Acute Pain and Regional Anesthesia Team at LBJ Hospital, the Board Runner’s Group, and is the Weekend Call Coordinator for the department.  Although often difficult, he enjoys the challenge of working at UT Hermann and LBJ.  He considers the department an extension of his family and would not have it any other way.

Naveen Vanga is a graduate of the University of Texas Medical Branch at Galveston and completed residency at the University Of Texas Health Science Center at Houston. Dr. Vanga is extensively involved in educating anesthesia care providers through simulation and clinical instruction.  His practice specializes in operating room management and neuroanesthesia and is also involved in the anesthesia clinic as well as the Ertan Digestive Disease Center.  Dr. Vanga serves on the faculty senate at the McGovern Medical School and is also the president of the Benjamin E. Rigor Alumni Society.  His areas of interest include healthcare technology and the advancement of medical education though technology.

Johanna Blair De Haan, MD

Johanna “Blair” de Haan is an assistant professor in the Department of Anesthesiology specializing in regional anesthesia, acute pain medicine, and solid organ transplantation including liver, kidney, and pancreas transplants. She is highly involved in the educational division of the department as an assistant program director for the anesthesiology residency program, and program director of the regional anesthesia and acute pain medicine fellowship program. Outside of the UT system, she is an active faculty member of the American Society of Regional Anesthesia, and teaches Point of Care Ultrasound multiple times per year at ASRA PoCUS courses.