We will forward your complaint directly to this company and ask for a response. Fill out the Online Customer Complaint Form.You can report a problem with a financial institution. Online File a complaint with the New York State Department of Financial Services. Learn where to file a complaint about banking and investment products, retirement plans, and the companies and professionals that offer them. At Montefiore Einstein, we're here to support you throughout your journey, whether you're receiving care or visiting a loved one. Field 1: Fill in the county in which the action is brought. Be consistent with other forms. Explain that some complaints are virtually impossible to investigate without revealing the identity of the resident. Field 1: Fill in the county in which the action is brought.