Spencer Amesbury, M.D. appears in the CMS NPPES registry as a Family Medicine Physician provider holding M.D. credentials at 900 CUMMINGS CTR, Beverly, MA, 01915, with a listed phone of (978) 922-3622. NPI 1235178328 was issued on 06/05/2006.

Medicare Part D records for calendar year 2023 show 7,004 prescription claims written by this provider, covering 355 Medicare beneficiaries and totaling roughly $423K in drug spend, split 9% brand-name and 90% generic by claim count, with an opioid prescribing rate of 2.1%. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 91.4/100 for the 2023 performance year (Quality 76.9), compared with the national average of 83.1.

Family Medicine Physician is a high-volume specialty nationwide, with 147,760 enrolled providers across 56 states and an average of 3,418 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.