Dr. Edward H. Ortiz

Dr. Cheema is currently an Assistant Professor at Texas A&M, he has a special interest in Diagnostic Bronchoscopies and in Lung Cancer screenings as well as staging.  He is also very keen in new research regarding Pulmonary Fibrosis/ COPD and new therapeutic interventions. He has a special interest in different types of Sleep Apneas and hypoventilation syndromes and working closely with the patients to come up with the best non-invasive ventilatory modality for the patients. Dr. Cheema is part of a care team with his Physician Assistant, Gregg Mercier . These teams are designed to enhance their ability to deliver personalized care to their patients. Dr. Cheema is highly rated in 18 conditions, according to our data. His top areas of expertise are Obstructive Sleep Apnea, Lung Metastases, Chronic Obstructive Pulmonary Disease (COPD), and Interstitial Lung Disease.

Raymond Perkins is an Internal Medicine specialist and a Sleep Medicine provider in Round Rock, Texas. Dr. Perkins is highly rated in 14 conditions, according to our data. His top areas of expertise are Emphysema, Bullae, Obstructive Sleep Apnea, Lung Adenocarcinoma, and Gastrostomy.

Dr. Rajesh Babu specializes in pulmonary and critical care medicine. He is board-certified in internal, pulmonary, critical care and sleep medicine, with a particular interest in interventional pulmonology, lung nodules and masses, chronic obstructive pulmonary disease (COPD), asthma, obstructive sleep apnea and narcolepsy. Dr. Babu is a member of American College of Chest Physicians, American Thoracic Society, Society of Critical Care Medicine, American Academy of Sleep Medicine, Texas Medical Association and Travis County Medical Society. In his free time, Dr. Babu enjoys taking trips with his family and playing sports with his children. He loves to read and attend concerts and sporting events. He is a big fan of the Texas Longhorns football team and attends as many of their games as possible. Dr. Babu has been recognized as a Top Doc 2023, 2024, and 2025 by Austin Monthly Magazine. Winners are nominated by their peers as among the best in their region/nation in their medical specialty. Dr. Babu is highly rated in 19 conditions, according to our data. His top areas of expertise are Chronic Obstructive Pulmonary Disease (COPD), Hospital-Acquired Pneumonia, Atypical Pneumonia, Lung Metastases, and Gastrostomy.