Joyce Achenjang, M.D appears in the CMS NPPES registry as an Internal Medicine Physician provider holding M.D credentials at 607 INDIAN HEALTH RD, Pine Ridge, SD, 57770, with a listed phone of (605) 867-5131. NPI 1750736096 was issued on 04/23/2016.

Medicare Part D records for calendar year 2023 show 554 prescription claims written by this provider, covering 194 Medicare beneficiaries and totaling roughly $64K in drug spend, split 18% brand-name and 80% generic by claim count, with an opioid prescribing rate of 5.8%. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 100/100 for the 2023 performance year, compared with the national average of 83.1.

Internal Medicine Physician is a high-volume specialty nationwide, with 172,737 enrolled providers across 56 states and an average of 2,716 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.