Idaho Medicaid Pharmacy Program

The goal of the Idaho Medicaid Pharmacy Program is to provide quality care to Medicaid participants with the most effective drug at the right price. Prime Therapeutics is the Idaho Medicaid Pharmacy Benefit Management contractor.

Idaho Medicaid Pharmacy call center
Call: 208-364-1829 OR toll free 866-827-9967 (Monday through Friday 8 a.m. to 5 p.m., closed on federal and state holidays)
Fax: 800-327-5541

  • Initiate prior authorization requests
  • For prior authorization status inquiries, call Prime Therapeutics Pharmacy Support Center at 800-922-3987

Prior authorization fax
Fax: 800-327-5541

Prime Therapeutics Pharmacy Support Center
Provider line: 800-922-3987 (available 24 hours/day, 365 days/year)
Participant line: 888-773-9466

  • Claims processing assistance
  • Drug coverage and payment information
  • Eligibility issues or inquiries
  • Plan limitations
  • Coordination of benefits
  • Prior authorization status

Myers and Stauffer
Phone: 800-591-1183
Fax: 317-571-8481
Email: pharmacy@mslc.com

The department has contracted with Myers and Stauffer LC, a national consulting firm, to provide assistance in establishing and maintaining an actual acquisition cost for medications.

Preferred Drug List (PDL)
Idaho Medicaid Preferred Drug List with prior authorization criteria
Idaho Medicaid Pharmacy Program
Prior authorization request forms
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