Pamela Hoernschemeyer, 46, of St. Peters, a former supervisor at Lackland Acquisition II LLC, pleaded guilty Monday to bank fraud charges related to submitting more than $100,000 in fraudulent check requests while she was an insurance billing supervisor handling the company's SSM Health Care account. Lackland Acquisition, doing business as Healthcare Strategic Initiatives (HSI) and operating as Nextgen Healthcare, contracted with SSM to provide the health system with patient billing and collections,…