Daiichi Sankyo and AstraZeneca Pharmaceuticals
ENHERTU Patient Assistance Program
Information last checked August 15, 2026
Contact info
- Phone
- 1-833-364-3788
- Fax
- 1-833-904-1851
- Mailing address
- PO Box 2355Morristown, NJ 07962
Eligibility
- If you are uninsured, underinsured, or a Medicare patient and you cannot afford your medicine, you may be able to get help from our Patient Assistance Programs. Patient Assistance Programs (PAP) can provide ENHERTU for free if you qualify.
- Call program for more information on how to enroll and determine eligibility.
- Income limit, single
- Not published
- Income limit, couple
- Not published
- Medical expenses can be deducted
- Not published
- Social Security number asked for
- Not published
- US citizenship or residency required
- Not published
Not sure where your income falls? See this year's federal poverty guidelines (opens in a new tab).
Application process
- Documents to attach
- Not published
- Prescriber license number
- NPI number
- State license number
- Who can sign
- Physician
- Application can be faxed
- Yes
- Decision letter sent to
- Yes
Getting the medication
- Patient receives
- Medication
- Shipped to
- Provider
- Supply per shipment
- 1 Dose
- Time to first delivery
- 0–2 weeks
- Refills
- Refills can be requested by calling the program.
- Staying enrolled
- New application every 12 months
- New proof of income every 12 months
More from the program
Enrollment is on a calendar year basis for Medicare patients. Enrollment is on a rolling annual basis for uninsured patients. Patients have opportunity to re-enroll at the end of their eligibility period.
Medications covered
- Enhertu (fam-trastuzumab deruxtecan-nxki)