Last updated on June 26th, 2019 at 12:23 pmAetna Customer Service Phone Numbers Customer Service: 1-800-872-3862 Aetna Pay Premium:1-866-350-7644 Aetna Pharmacy: 1-800-238-6279 Credentialing or re-credentialing status: 1-800-353-1232 Dental providers: 1-800-451-7715 CVS Health: 1-480-391-4623 Request workers’ compensation, auto injury, First Health participation: 1-800-937-6824 HMO-based and Medicare Advantage plans: 1-800-624-0756 Prescription drug precertification: 1-800-238-6279 Member Services – HMO: