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William R. Grier, MD

Academic Title:

Assistant Professor

Primary Appointment:


Phone (Primary):



(410) 328-0177

Education and Training

  • West Chest University, BS, Biology, 2011
  • Drexel University College of Medicine, MD, 2016
  • Internal Medicine Residency, University of Maryland Medical Center, 2019
  • Pulmonary and Critical Care Medicine Fellowship, University of Maryland Medical Center, 2022


Dr. Grier is a board certified pulmonologist interested in lung health, lung nodule management, lung cancer screening, and adherence to screening follow-up.  He serves as the course director for the Cardio-Renal-Pulmonary Course at the University of Maryland School of Medicine. 

Research/Clinical Keywords

Lung Cancer Screening, Pulmonary Nodules, Lung Health, Tobacco Cessation, Medical Education

Highlighted Publications

Grier WR, Kalchiem-Dekel O, Jeudy J, Holden V, Sachdeva A, Pickering E. Bronchial artery laceration and haemothorax complicating transbronchial needle aspiration. Respirol Case Rep. 2019 Nov 7;8(1):e00497

Alghanim F, Li K, An M, Verceles A, Grier WR, Abbas H, Deepak J. Exploring the effects of racial and socioeconomic factors on timeliness of lung cancer diagnosis and treatment in Baltimore Veterans. Semin Oncol. 2022 Jul 19. DOI: 1053/j.seminoncol.2022.07.001. PMID: 35927100 

Grier WR, Abbas H, Gebeyehu RR, Singh AK, Ruiz J, Hines S, Alghanim F, Deepak J. Military exposures and lung cancer in United States veterans. Semin Oncol. 2022 Jul 19:S0093-7754(22)00050-1. doi: 10.1053/j.seminoncol.2022.06.010. PMID: 35882571.

Additional Publication Citations

Grier WR, Kratimenos P, Singh S, Guaghan JP, Koutroulis I. Obesity as a risk factor for urinary tract infection in children. Clin Pediatr (Phila). 2016 Sep;55(10):952-6. doi: 10.1177/0009922815617974. Epub 2016 Jan 24.

Awards and Affiliations

Alpha Omega Alpha Honor Society

Links of Interest