Reply The former owner of a physical therapy clinics in Waltham and Brookline, was indicted Tuesday by a federal grand jury on health care fraud charges. (Jenna Fisher/Patch) WALTHAM, MA — The former owner of a physical therapy clinics in Waltham and Brookline, was indicted Tuesday by a federal grand jury on health care fraud charges. According to charging documents between 2014 and 2018, Chang Goo Yoon, 59, billed patients for non-existent physical therapy appointments, including approximately $200,000 in claims billed on dates when Yoon was traveling in South Korea, Los Angeles and Toront...