Dr. Grace Pien, MD

With 20 years of practice, Dr. Grace Pien is an established sleep medicine provider, MD, after earning their medical degree at Columbia University College Of Physicians And Surgeons in 1994. Dr. currently practices at University Of Penn-medical Group in Philadelphia, Pennsylvania. Their National Provider Identifier (NPI) is 1427077650, 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. Grace Pien as a lower-volume sleep medicine provider, treating approximately 171 Medicare beneficiaries and delivering 187 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.