Dr. Shrey Velani

Dr. Mallen was drawn to the field of Pulmonology for several reasons — the complexity of lung disease, the attention to detail required by the field, and the procedural aspects of being a pulmonary specialist. He enjoys working with patients who have high acuity conditions in the ICU. Interacting with patients and their families, as well as the opportunity to be a positive presence during difficult situations is what he loves most about practicing medicine. Dr. Mallen is rated as an Advanced provider by MediFind in the treatment of Saddle Pulmonary Embolism. His top areas of expertise are Lung Metastases, Chronic Obstructive Pulmonary Disease (COPD), Obstructive Sleep Apnea, Pneumonia, and Gastrostomy.

Bryon Johnson is a Pulmonary Medicine provider in Des Moines, Iowa. Dr. Johnson is rated as an Advanced provider by MediFind in the treatment of Saddle Pulmonary Embolism. His top areas of expertise are Lung Metastases, Chronic Obstructive Pulmonary Disease (COPD), Pneumonia, Gastrostomy, and Carotid Artery Surgery.

Lucas Silqueira-Hickson is a Pulmonary Medicine specialist and an Intensive Care Medicine provider in West Des Moines, Iowa. Dr. Silqueira-Hickson is rated as an Advanced provider by MediFind in the treatment of Saddle Pulmonary Embolism. His top areas of expertise are Pulmonary Veno-Occlusive Disease, Pulmonary Hypertension, Lung Metastases, Chronic Obstructive Pulmonary Disease (COPD), and Gastrostomy. Dr. Silqueira-Hickson is currently accepting new patients.