Four axes from current statute and agency guidance. Teal bar = substitution/assistance/access in place; amber = permissive or absent.
| Generic substitution mandate | Permissive |
| State Pharmaceutical Assistance Program | No broad SPAP |
| 90-day fills permitted | Allowed |
| PMP mandatory prescriber query | Required by statute |
Wyoming permits but does not mandate generic substitution. Under W.S. § 33-24-148, a pharmacist may substitute a less expensive equivalent drug product unless the prescriber has indicated "dispense as written." The substitute must be FDA AB-rated.
The Wyoming Department of Health administers Wyoming Medicaid pharmacy benefits and maintains the Wyoming Medicaid PDL. Wyoming Medicaid runs primarily as fee-for-service (Wyoming did not expand Medicaid). Non-preferred drugs require prior authorization.
Preferred Drug List: View current PDL
Prior authorization contact: Wyoming Medicaid Pharmacy: 1-877-209-1264
Wyoming does not operate a Medicare-recognized SPAP. Low-income Wyomingites use Medicare Part D Extra Help (LIS), Wyoming Medicaid (if eligible), manufacturer Patient Assistance Programs, and WSHIIP (Wyoming State Health Insurance Information Program) for Medicare enrollment counseling.
Eligibility: No state SPAP. WSHIIP helps with Medicare enrollment.
Wyoming permits 90-day fills of non-controlled chronic medications. Out-of-state pharmacies must hold a Wyoming Nonresident Pharmacy license. Federal CSA refill limits apply.
Wyoming operates the Wyoming Online Prescription Database (WORxDb) administered by the Board of Pharmacy. Under W.S. § 35-7-1062, prescribers must check the WORxDb before initially prescribing certain controlled substances. Dispensers must report Schedule II-V dispensing within one business day.
PMP portal: Wyoming Online Prescription Database (WORxDb)
Wyoming hosts a 340B network including Cheyenne Regional Medical Center, Wyoming Medical Center, FQHCs across the state, and Indian Health Service facilities serving the Wind River Reservation.
Find a 340B clinic in Wyoming: HRSA OPAIS database (WY filter)
Our sister site OmniRx maintains a federal-side patient assistance program directory covering manufacturer PAPs, foundation copay assistance, GoodRx-style discount cards, and 340B locators applicable nationwide.
Once the law side is clear, the next question is which pharmacy actually has the cheapest fill. Use the RxGrab Pharmacy Finder to compare CostPlus Drugs, Costco, Walmart, Amazon Pharmacy, and other discount pharmacies on your specific medication, and read our generic vs brand explainer for the bioequivalence rules behind every substitution.
Yes unless your prescriber wrote "dispense as written." Under W.S. § 33-24-148 substitution is permissive.
No. Use federal Extra Help, Wyoming Medicaid if eligible, manufacturer Patient Assistance Programs. WSHIIP helps with Medicare Part D enrollment.
Wyoming did not expand Medicaid, so eligibility is narrower than in expansion states. Pharmacy benefits run as fee-for-service with a single state PDL.
Yes for certain controlled-substance prescriptions under W.S. § 35-7-1062.