Physicians & Providers


David Gass

David Gass

In July of 1986, Dr. G. David Gass joined the practice. Dr. Gass completed his pulmonary and critical care fellowship at The University of South Carolina Medical Center in Columbia, South Carolina. Dr. Gass is board certified in internal medicine, pulmonary and critical care.


David Gass

David Jones

Dr. David I Jones joined Dr. Gass and the group in 1988. His pulmonary and critical care fellowship was completed at The University of Oklahoma Health Science Center in Oklahoma City, OK. Dr. Jones is board certified in internal medicine, pulmonary, critical care and sleep medicine.


David Gass

Jeff Fidone

Dr. Jeff W. Fidone came to Tyler in 1994 upon completion of his fellowship in pulmonary/critical care from Louisiana State University Medical Center in Shreveport, LA. Dr. Fidone is board certified in internal medicine, pulmonary, critical care and sleep medicine.


David Gass

Luis Destarac

Dr. Luis Destarac became part of Pulmonary Specialists in 2003. He completed his pulmonary and allergy fellowship at Vanderbilt University. Dr. Destarac is board certified in internal medicine and pulmonary. He also specializes in allergy.


Ketan Patel

Ketan Patel

In July of 2011, Dr. Ketan Patel joined the pulmonary group. Dr. Patel completed his fellowship in pulmonary, critical care and in sleep medicine at The University of Mississippi Medical Center in Jackson, Mississippi.  He is board certified in internal medicine, pulmonary, critical care and soon to be in sleep medicine.