How to Check If a Pharmacy Has Entrectinib in Stock (Without Calling)

Finding out which pharmacy has Entrectinib (Rozlytrek) in stock is harder than checking for most medications — because it's a specialty drug that's only dispensed through specialty pharmacies, and those pharmacies don't always list inventory publicly. Here's how to check availability efficiently in 2026 without spending hours on hold.

Why Checking Entrectinib Availability Is Complicated

Unlike common medications like blood pressure pills or antibiotics, Rozlytrek is not available at regular pharmacies. It can only be filled at specialty pharmacies. These specialty pharmacies have different inventory systems, and "checking stock" is not as simple as looking up a database. Access also depends on:

Whether your insurance plan contracts with that specialty pharmacy

Whether your prior authorization is active and approved

Whether financial assistance enrollment is completed

That said, there are faster ways than making a dozen calls yourself.

Method 1: Use medfinder to Have Pharmacies Called for You

The simplest approach: use medfinder. You provide your medication name (Entrectinib / Rozlytrek), dosage (e.g., 100 mg or 200 mg capsules), and your location, and medfinder's team contacts pharmacies near you to find out which ones can actually fill your prescription. Results come to you by text — no hold music, no transfers, no frustration.

Method 2: Call Genentech Access Solutions First

If you want to speak with someone directly, call Genentech Access Solutions at 877-436-3683. They can identify which specialty pharmacy is contracted with your insurance plan and route your prescription there. For most patients, this is the fastest path to the first fill because it resolves the insurance coordination issue at the same time.

Method 3: Check Your Insurance Portal

Most health insurance plans list preferred specialty pharmacies in their member portal. Log in to your insurance account and look for your plan's specialty pharmacy drug list or preferred specialty pharmacy network. This tells you which specialty pharmacy to call first — not whether they have the drug in stock, but where to direct your prescription to avoid coverage issues.

Method 4: Ask Your Oncologist's Pharmacy Liaison

Oncology practices that frequently prescribe specialty drugs often maintain active relationships with multiple specialty pharmacies. Your oncologist's pharmacy liaison or nurse navigator knows which pharmacies have been filling Rozlytrek for other patients and can route your prescription without delay. This is especially useful if you're a new patient.

Method 5: Contact Major Specialty Pharmacies Directly

If you prefer to call directly, start with the major specialty pharmacy chains that most commonly dispense Rozlytrek:

CVS Specialty: 1-800-237-2767 (specialty pharmacy line)

Accredo / Evernorth Specialty: 1-800-803-2523

Walgreens Specialty / AllianceRx: 1-800-345-1985

Optum Specialty Pharmacy: Contact through your UnitedHealthcare member portal

Be prepared to provide your name, date of birth, prescription information, and insurance details. They will check whether they can fill your prescription under your specific plan.

What If Your Prescription Has Been Sent but Not Filled?

If your oncologist sent the prescription but the specialty pharmacy hasn't reached out within 24–48 hours, call them to check the status. Common reasons for delay include: the prescription was sent to the wrong pharmacy, missing clinical documentation, a pending prior authorization, or enrollment in the financial assistance program is not yet complete.

The Bottom Line

Checking entrectinib availability doesn't have to mean making call after call. Use medfinder to have pharmacies contacted for you, or call Genentech Access Solutions first. For a complete step-by-step guide to getting your prescription filled, see how to find entrectinib in stock near you.