Jason Chang, M.D. appears in the CMS NPPES registry as a Hematology & Oncology Physician provider holding M.D. credentials at 55 MERIDEN AVE STE 1A, Southington, CT, 06489, with a listed phone of (860) 621-9316. NPI 1174739072 was issued on 05/15/2007.

Medicare Part D records for calendar year 2023 show 1,284 prescription claims written by this provider, covering 173 Medicare beneficiaries and totaling roughly $2.5 million in drug spend, split 26% brand-name and 74% generic by claim count, with an opioid prescribing rate of 11.2%. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 91.3/100 for the 2023 performance year (Quality 86.4, Cost 56.5), compared with the national average of 83.1.

Hematology & Oncology Physician is a mid-sized specialty nationwide, with 11,232 enrolled providers across 54 states and an average of 847 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline.

Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist, always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.