Crystal Manse, M.D. appears in the CMS NPPES registry as a General Practice Physician provider holding M.D. credentials at 3 SAINT ELIZABETH BLVD STE 4000, O Fallon, IL, 62269, with a listed phone of (618) 233-5480. NPI 1366702870 was issued on 05/18/2012.

Medicare Part D records for calendar year 2023 show 851 prescription claims written by this provider, covering 136 Medicare beneficiaries and totaling roughly $34K in drug spend, with an opioid prescribing rate of 14.8%. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 67.6/100 for the 2023 performance year (Quality 36.2, Cost 43.6), compared with the national average of 83.1.

General Practice Physician is a mid-sized specialty nationwide, with 16,725 enrolled providers across 56 states and an average of 2,872 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.