Dr. Mark Alexander, MD

With 21 years of practice, Dr. Mark Alexander is an established pediatric medicine provider, MD, after earning their medical degree at Northwestern University Feinberg Medical School in 1985. Dr. currently practices across 9 facilities, including Boston Children's Hospital in Boston, Massachusetts. Their National Provider Identifier (NPI) is 1013907666, 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.

Dr. Mark Alexander's practice is located in ZIP 02115 (Boston, Massachusetts), which has an overall CartoChrome Healthcare Access Score of 96/100 (Healthcare Paradise). Patients in this area have comparatively strong access to primary care, specialists, and hospital services.

CMS Medicare data shows Dr. Mark Alexander as a lower-volume pediatric medicine provider, treating approximately 94 Medicare beneficiaries and delivering 222 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.