Dr. Mark Sieminski, MD

With 17 years of practice, Dr. Mark Sieminski is an established emergency medicine provider, MD, after earning their medical degree at University Of Virginia School Of Medicine in 2005. Dr. currently practices across 2 facilities, including Buffalo Anesthesia Associates, P.c. in Cheektowaga, New York. Their National Provider Identifier (NPI) is 1003057779, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.

CMS Medicare data shows Dr. Mark Sieminski as a lower-volume emergency medicine provider, treating approximately 317 Medicare beneficiaries and delivering 419 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.