Mark Sieminski

Mark M. Sieminski

Mark M. Sieminski MD

UBMD Emergency Medicine


Emergency Medicine


Professional Summary:

Dr Sieminski worked as a community emergency physician at Millard Fillmore Suburban hospital before joining the faculty of the Emergency Medicine Residency in 2012. In his time at UBMD Emergency Medicine he has served as the Residency Coordinator for the Buffalo VA Emergency Department as Associate Medical Director of the Buffalo General Medical Center Emergency Department from 2016 to 2022. He has spearheaded initiatives to create and manage a successful Provider in Triage/Vertical Flow system at Buffalo General as well as overseeing quality and compliance in the areas of Sepsis, Radiology utilization and Mass Casualty Preparedness. Currently Dr Sieminski serves as Simulation Faculty, overseeing resident simulation labs and procedure courses at the UB Behling Simulation Center.


Emergency Medicine

Physician Gender:


Board Certifications:

  • Board Certification, Emergency Medicine

Education and Training:

  • Residency, Emergency Medicine, Cook County Hospital (2009)
  • Internship, Department of Internal Medicine, Georgetown University Hospital (2006)
  • MD, University of Virginia School of Medicine (2005)
  • BS, Biology, Boston College, Summa Cum Laude (1999)
  • ACEP Level 3 Certified, Emergency Ultrasound
  • Board Certified in Emergency Medicine
  • ACLS, ATLS, PALS Provider

Awards and Honors:

  • Cook County Emergency Medicine Resident Teaching Award
  • University of Virginia Pullen Award for Excellence in Anatomy Teaching

Research Profile:

This UBMD physician is also a member of the Jacobs School of Medicine and Biomedical Sciences at the University at Buffalo, teaching the next generation of doctors and researching to advance care in WNY and beyond. Learn more about this physician's research and teaching activities, as well as view credentials, publications, professional involvement and more below.

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