Meet your physician
Deptmer M. Ashley, MD
Pulmonary Diseases
Interventional Pulmonology
Founder of Dakota Pulmonary. Trained at The University of Texas, with expertise honed at MD Anderson Cancer Center, and dedicated to finding lung cancer early and treating it fast.

Interventional Pulmonology
About Dr. Ashley
World-class training, brought home.
Deptmer Ashley, MD, is the founder of Dakota Pulmonary and a highly skilled interventional pulmonologist. He completed his training in Pulmonary Disease and Critical Care Medicine at The University of Texas Health Science Center at Houston, within the world-renowned Texas Medical Center system alongside MD Anderson Cancer Center, where he honed his expertise in advanced bronchoscopy.
Since establishing Dakota Pulmonary, Dr. Ashley has excelled in the early detection and staging of lung cancer, achieving a diagnostic yield exceeding 96% and significantly improving his patients’ chances of successful treatment.
Beyond cancer care, he is known for the rapid, effective diagnosis and treatment of major lung conditions such as emphysema and COPD. Through Dakota Pulmonary’s robotic bronchoscopy program, he has brought procedures once limited to major medical centers to patients here in the Dakotas.
Lung cancer can have a doubling time of 90 days. Early detection and rapid treatment are crucial.
The Dakota Pulmonary approach
Education & training
The path to Aberdeen.
Doctor of Medicine
Medical University of Białystok
Internal Medicine
Tripler Army Medical Center, Honolulu
Pulmonary Disease & Critical Care
The University of Texas Health Science Center at Houston
Interventional Pulmonology
MD Anderson Cancer Center, Houston
Founder, Dakota Pulmonary
Aberdeen, South Dakota
Credentials
Certifications, affiliations & focus.
- Board certifiedAmerican Board of Internal Medicine
- HospitalAvera St. Luke’s Hospital, Aberdeen
- MembershipsAmerican Thoracic Society
American College of Chest Physicians
American College of Physicians
- Clinical focusInterventional pulmonology
Lung cancer detection & staging
COPD & emphysema
Pleural disease
Critical care medicine - ResearchPeer-reviewed work on palliative care for ICU patients receiving ECMO, corrected calcium calculation, and platypnea-orthodeoxia syndrome
See Dr. Ashley
The best available, close to home.
Call (605) 725-5864 or send us a note, and our team will help you schedule a visit.