Network Pharmacy Support

TrueScripts serves as a true partner to our pharmacy providers, sharing your commitment to proper outcomes and offering our full support with the information and claims processing assistance you need to deliver amazing care. For optimum speed, accuracy and results, use the appropriate communication method listed below for all your questions and requests. For the quickest response, email is recommended.

TrueScripts Contact Information/Phone Number


Pharmacy Help Desk: 844-257-1955

Fax: 812-257-1968


Business Hours:

Monday through Friday
8:00 AM to 6:00 PM EDT


Business Address:

513 E. South Street
Washington, IN 47501

MAC Appeal Submission Guide and FAQ


MAC Appeal Submission Guide and FAQ

The formularies below are prescription drug lists of brand-name and generic medications that have undergone a careful review by a committee of prescribers and pharmacists. Medications on these lists are subject to plan parameters and changes made in accordance with our actively managed formulary.

Mail Order Pharmacy


FAQs FAQs (Spanish) Patient Enrollment Tutorial

Costco Mail Order Phone Number

Phone Number:

1-800-607-6861

Mon - Fri: 5am - 7pm PT
Sat: 9:30am - 2pm PT


Fax: 1-800-633-0334


Online 24/7 Service

https://pharmacy.costco.com

New prescriptions, Refills and Order Status


Mailing Address

Costco Mail Order Pharmacies

260 Logistics Avenue Suite B 

Jeffersonville, Indiana 47130 

Pharmacy Provider Electric Funds Request


Contact Us


Contact Us at this email with questions to any of the following:

  1. Claim payment questions
  2. Contract requests
  3. MAC Appeals
  4. EFT, ACH, 835 and Pay Center questions
  5. FWA and Credentialing question


We want to give you Amazing Care.

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