Dr. Sunil Natrajan, MD is a critical care medicine specialist in Tucson, AZ and has over 35 years of experience in the medical field. Dr. Natrajan has extensive experience in Obstructive Lung Disease. He graduated from Hahnemann Universtiy - Philadelphia in 1989. He is affiliated with Saint Joseph's Hospitaoptimizing patient outcomes. His approach emphasizes patient education and empowering individuals to take control of their respiratory health for improved quality of life.

Dr. Eric Harker is the Chief Medical Director at NuvoAir. He is a practicing internal medicine specialist with 20 years of experience building and leading screening and disease management programs. He formerly served as Medical Director of Clinical Prevention for Kaiser Permanente CO and Care Team Medical Director for Iora Primary Care (now One Medical Seniors). Dr. Harker is passionate about providing convenient, personalized, and high quality health care to people with heart and lung diseases.

Dr. Matthew J. Crowe is a pulmonologist in Santa Fe, New Mexico. He received his medical degree from Kansas City University of Medicine and Biosciences College of Osteopathic Medicine and has been in practice between 11-20 years. Dr. Matthew J. Crowe has expertise in treating sleep apnea, asthma, hypertension, among other conditions - see all areas of expertise.

Paul J. Williamson, Jr. is a distinguished healthcare professional with over three decades of experience in pulmonology, nursing education, and leadership. He holds a Doctorate of Nursing Education from Capella University, a Master of Science in Nursing from Vanderbilt University, and a Bachelor of Arts in Pastoral Theology from Life Pacific University. Additionally, he earned an Associate of Applied Science in Respiratory Therapy from GateWay Community College. Dr. Williamson is a licensed Registered Nurse and Nurse Practitioner with certifications in Advanced Cardiovascular Life Support and Basic Life Support through the American Heart Association. His career highlights include leadership roles with the Arizona Nurses Association and Tennessee Nurses Association, as well as academic contributions to Middle Tennessee State University’s School of Nursing.

Holly has been a resident of Northern Arizona for twenty-four years. She graduated from Northern Arizona University with her Master of Nursing and is also a board-certified nurse coach who focuses on holistic health. Holly's background as a nurse extends from medical surgical hospital nursing, pre-admissions, quality, patient relations, cardiopulmonary rehab, and care management. Holly is passionate about helping patients and families through advocacy, education, and empowerment.