Employer's Quarterly Federal Tax Return; form used to report accumulated amounts of FICA and federal income tax withheld from employees' earnings for the quarter, as well as FICA tax owed by the employer.
United Concordia Dental. The Company. Headquartered in Harrisburg, Pennsylvania, United Concordia Dental is one of the largest dental insurers in the United States with more than 8 million members worldwide and 1,000 employees. United Concordia Companies, Inc. (UCCI) was established as a wholly owned subsidiary of Highmark in 1992.
United Concordia Dental Customer Service. If your group has a designated phone number, you can receive faster service by using the toll-free number shown on the back of your ID card or on your company's Clients' Corner page. 1-800-332-0366 (PPO).1-866-357-3304 (DHMO).1-888-789-8233 (UCVision).Contact us form.f your group has a designated phone number, you can receive faster service by using the toll-free number shown on the back of your ID card or on your company's Clients' Corner page. 1-800-332-0366 (PPO). 1-866-357-3304 (DHMO).