Pulmonary, Critical Care, and Sleep Physicians

John Ferguson, MD, MPH, FCCP

​Leah Wydro, DO
Dr. Ferguson joined Rocky Mountain Pulmonary after completing his fellowship at the University of Colorado and National Jewish.  He is board certified in internal medicine, pulmonary medicine, neurocritical care, and critical care.  He has been recognized in 5280 magazine for pulmonary medicine, and by peak performers in hospital medicine for critical care medicine.  He has been awarded the collaborative practice award at Lutheran by the nursing staff in 2016, and the physician of the year by the medical staff in 2017.  Dr. Ferguson serves as the medical director of medical/cardiac and neurocritical care units at Lutheran Medical Center. 
Dr. Wydro completed her pulmonary and critical care training at Parkview Medical Center, where she was chief fellow.  She was awarded the fellow of the year in 2021, as well as resident of the year in 2017.  She is currently board certified in internal medicine, pulmonary medicine, and critical care medicine. She has been nominated for physician of the year at Lutheran Hospital in 2023. Dr. Wydro serves as the pulmonary director at Lutheran Medical Center.

Todd Schlossman, MD

Daniil Gekhman, DO
Dr. Schlossman completed his training in pulmonary and critical care medicine at Baylor University.  He is board certified in internal medicine, pulmonary medicine, and critical care medicine.
Dr. Gekhman completed his training in internal medicine at Drexel (Hahnemann University Hospital) and the Hospital of the University of Pennsylvania in Philadelphia. He subsequently completed training in pulmonary and critical care medicine at Baylor College of Medicine in Houston, Texas where he served as chief fellow.  He is board certified in internal medicine, pulmonary medicine, and board-eligible in critical care medicine. He is passionate about patient-centered, efficient care. His professional interests include lung cancer screening and diagnosis, and pulmonary hypertension. His hobbies include DJ-ing, skiing, and weightlifting.

Maryann Sudmeier, NP
Maryann has been a nurse practitioner since 2000. She practiced internal medicine for 15 years, followed by urgent care, and is happy to have joined Rocky Mountain Pulmonary and Critical Care. Prior to her nurse practitioner training, Maryann was an intensive care unit nurse at St. Anthony's central hospital. She completed her BSN program at Regis University in 1995, and returned to Regis for her Master's degree as a nurse practitioner.