Why mcna dental services? MCNA is dedicated to promoting high-quality and cost-effective oral health by increasing access to dental care for the public. MCNA is a premier dental benefits administrator that provides exceptional service to state agencies and managed care organizations for Medicaid, CHIP, and Medicare members.How do i contact mcna dental in arkansas? Please call our dedicated Arkansas Provider Hotline at 1-844-343-6262. It is available Monday through Friday, from 7 a.m. to 7 p.m. MCNA Dental hosts online webinars to discuss our program and other important information. Please RSVP to reserve your seat at one of our upcoming webinars.How do i get my mcna dental member handbook? You will get your Member Handbook in the mail when you join MCNA Dental. You can download your Member Handbook in English and Spanish. To download your Member Handbook, click the links in the Member Resources and Documents section. If you need another hard copy of your Member Handbook, call the MCNA Dental Member Hotline at 1-855-691-6262.How do i contact mcna for member services? You may call MCNA's Toll-Free Member Services Hotline from Monday to Friday, from 8am to 8pm EST (excluding national holidays). Our Automated Member Eligibility Hotline is available 24/7. Please note that other MCNA departments may be open at different times. For the quickest service, first select your plan.