Mark S. Gosnell, M.D.

Dr. Gosnell headshot


  • M.D. Medical College of Pennsylvania
  • B.A. University of Delaware

Postgraduate Training

  • Fellowship in pulmonary and critical care medicine
    University of Maryland
  • Residency in internal medicine
    Medical College of Virginia

Board Certifications

Hospital Affiliations

  • MedStar Franklin Square Hospital
  • MedStar Good Samaritan Hospital
  • MedStar Harbor Hospital
  • MedStar Union Memorial Hospital
  • University of Maryland St. Joseph Medical Center

Dr. Mark Gosnell specializes in pulmonary disease and sleep medicine and acts as medical director of intensive care and chief of pulmonary medicine at Harbor Hospital in Baltimore.  His outpatient practice is out of the Glen Burnie office.

Dr. Gosnell has been in private practice since 2003. Scope of practice includes telemedicine. His research, which includes work on sepsis, ICU sedation scoring and COPD, has been presented at the American Medical Association Conference, the Symposium for Family Practice Physicians, and several meetings of the American College of Physicians.

He earned the Higgins Award as the best third-year resident at the Medical College of Virginia. He graduated with honors and was also chosen for the Peter White Fellowship Award at the University of Delaware.

Appointments with Dr. Gosnell can be scheduled by calling 410-832-3350.


 Call us at (410) 832-3400