Robert Marquis, M.D., PH.D. appears in the CMS NPPES registry as a Ophthalmology Physician provider holding M.D., PH.D. credentials at 5717 BALCONES DR, Austin, TX, 78731, with a listed phone of (512) 327-7000. NPI 1902881048 was issued on 12/13/2005.

Medicare Part D records for calendar year 2023 show 839 prescription claims written by this provider, covering 342 Medicare beneficiaries and totaling roughly $168K in drug spend, split 44% brand-name and 56% generic by claim count. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 92.8/100 for the 2023 performance year (Quality 87.7, Cost 89.2), compared with the national average of 83.1.

Ophthalmology Physician is a mid-sized specialty nationwide, with 22,090 enrolled providers across 56 states and an average of 1,420 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.