Our Doctors

Dr. Potenciano Garcia Jr
Internal Medicine

Dr. Potenciano García Jr. has maintained an active practice since 1984. He is certified in Internal Medicine and has the subspecialty of Pulmonary Medicine. He specializes in the diagnosis and treatment of Chronic Obstructive Pulmonary Diseases (COPD), asthma, pulmonary fibrosis, lung cancer, and autoimmune lung diseases.

Dr. Juan pablo Sarmiento C.
Pneumologist and Critical Care

Dr. Juan Pablo Sarmiento is a pulmonologist and critical care specialist trained at the University of Miami and has worked in the Rio Grande Valley since 2015. He provides care for multiple lung conditions, especially in the prevention and diagnosis of lung cancer, as well as such as interstitial lung disease.

Dr. Antonio DeGorordo A.
Pulmonary Specialist

Dr. Antonio DeGorordo is a pulmonary specialist practicing in the Rio Grande Valley since 2012. He specializes in Chronic Obstructive Pulmonary Diseases (COPD), Asthma, lung cancer, pleural effusions, pulmonary fibrosis, allergies, abnormal chest images, cough , bronchitis, shortness of breath, dependence on tobacco and soil medicine.

Dr. Juan Marcos Chavez
Pulmonary & Critical Care Medicine

Dr. Chavez is Board Certified in Internal Medicine, Pulmonary & Critical Care by the American Board of Internal Medicine and the National Board of Physicians and Surgeons.
He obtained his Internal Medicine Diploma from RUSH University in Chicago and his Pulmonary & Critical Care Fellowship from University of Miami.
Dr. Chavez has given almost 15 years of care to the RGV community being recognized by his professionalism, integrity and complete dedication to his patients.
Currently he is the ICU MEDICAL DIRECTOR for DHR Healthcare System. Dr. Chavez specializes in Chronic cough, Asthma, Allergies, COPD and Post-infectious diseases (Post-COVID Syndrome). He is also very experienced in the diagnosis and treatment of Sleep Disorders including Sleep Apnea. Being an asthmatic, allergic and sleep apnea patient himself he has a profound understanding of your symptoms.
Whenever you are looking for Pulmonary Disease expertise and “COMPLETE PHYSICIAN ATTENTION” don’t hesitate to book your appointment with Dr. Chavez.

Dr. Federico Vallejo
Pulmonary Internal Medicine, Critical Care and Sleep

Dr. Federico Vallejo is a board-certified internal Medicine, Pulmonary, Critical Care and Sleep specialist. He trained at the University Massachusetts and has more than 14 years of clinical experience taking care of patients in the Rio Grande Valley.
Dr. Vallejo is an advanced bronchoscopist and one of his special interests is the early diagnosis of lung cancer. He was the the 1st physician to perform a robotic bronchoscopy in the Rio Grande Valley and to this day continues to perform this procedure on regular basis for the early diagnosis of Pulmonary nodules.
Dr. Vallejo who is also board certified sleep specialist and significant portion of his practice is to diagnose and treat patients with sleep conditions like obstructive sleep apnea and insomnia.
Dr. Vallejo is also an educator, with the use of social media he has been educating the Spanish speaking community for the last few years.

RGV Pulmonary and Sleep Institute