Dr. Jack Ko, MD

With 19 years of practice, Dr. Jack Ko is an established emergency medicine provider, MD, after earning their medical degree at Other in 1996. Dr. currently practices across 10 facilities, including Wellspan York Hospital in York, Pennsylvania. Their National Provider Identifier (NPI) is 1023143674, 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. Jack Ko as a lower-volume emergency medicine provider, treating approximately 400 Medicare beneficiaries and delivering 422 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.