Dr. Mark Lemert, M.D.

With 20 years of practice, Dr. Mark Lemert is an established gastroenterology provider, M.D., after earning their medical degree at George Washington University School Of Medicine in 1997. Dr. currently practices across 2 facilities, including New York University in New York, New York. Their National Provider Identifier (NPI) is 1306810478, 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 Lemert's practice is located in ZIP 10016 (New York, New York), which has an overall CartoChrome Healthcare Access Score of 90/100 (Healthcare Paradise). Patients in this area have comparatively strong access to primary care, specialists, and hospital services.

CMS Medicare data shows Dr. Mark Lemert as a lower-volume gastroenterology provider, treating approximately 437 Medicare beneficiaries and delivering 828 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.