How do I find a Cigna Prepaid Dental network dentist? Admin September 18, 2018 20:51 Updated You can go to the Cigna website here and follow the instructions on locating a Cigna dental provider. You can also call Cigna at 800.997.1617. Related articles Do I have to select a primary dentist in the Cigna Prepaid Dental plan? Can I change my dentist? Does Coordination of Benefits pertain to my dental and/or vision insurance? Why are there waiting periods for some dental services? What network options are offered by the State of Tennessee?