DARBY MOLLOY, RDN, LDN appears in the CMS NPPES registry as a Obesity and Weight Management Nutrition Registered Dietitian provider holding RDN, LDN credentials at 5841 S MARYLAND AVE RM S-206, CHICAGO, IL, 60637, with a listed phone of (773) 834-5515. NPI 1174108989 was issued on 03/12/2021. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what MOLLOY most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D prescribing data is not currently published for this NPI, which typically means the provider either wrote fewer than 11 Part D claims in the most recent reporting year, does not participate in Medicare, or practices in a specialty that rarely prescribes outpatient drugs. Absence of prescribing data is not a quality signal — many Obesity and Weight Management Nutrition Registered Dietitian providers operate outside Part D entirely. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 97.7188/100 for the 2023 performance year (Quality 75.4375), compared with the national average of 83.1.

Obesity and Weight Management Nutrition Registered Dietitian is a narrow specialty nationwide, with 382 enrolled providers across 46 states, 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.