An Arlington man pleaded guilty yesterday to his role in a conspiracy to commit health care fraud that resulted in losses of over $3.5 million. According to court documents, Onkur Lal, 29, worked in various roles at MedEx Pharmacy, MedEx Health Pharmacy, and Royal Care Pharmacy, which were all owned and operated by the same individual. From around 2014 to around 2019, Lal conspired with the owner and others in a number of different fraudulent schemes to defraud health care benefit programs, including TRICARE, Medicare, Virginia Medicaid, and Maryland Medicaid.