Offer a discount purchasing program -- contract with an ostomate supply company which allows those who qualify to purchase their supplies at a discounted rate.
The Osto Group offers free Ostomy Products to the uninsured; all they need to do is pay shipping and handling. Suppliers include: 3M, Bard, Coloplast, Convatec, Cymed, Devrom, Donation Fund, Genairex, Hollister, Marlen, NuHope, ReliaMed, and Smith & Nephew.