Robert Chang, PH.D., A.B.M.P.

With 19 years of practice, Robert Chang is an established clinical psychologist provider, PH.D., A.B.M.P., after earning their medical degree at Other in 2003. Robert currently practices across 3 facilities, including St Vincent Hospital in Green Bay, Wisconsin. Their National Provider Identifier (NPI) is 1144351586, 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 Robert Chang as a lower-volume clinical psychologist provider, treating approximately 52 Medicare beneficiaries and delivering 164 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.