Douglas J Tangel, MD provides pulmonology services in LONGMONT, CO. A Pulmonologist is an internal medicine physician who specializes in diagnosing a

Douglas J Tangel, MD provides pulmonology services in LONGMONT, CO. A Pulmonologist is an internal medicine physician who specializes in diagnosing and treating conditions and diseases of the cardio-pulmonary system. A Pulmonologist treats any part of the body that is involved in the breathing process and bringing oxygen into and out of the body.