For questions on when to use an ABN Medicare waiver of liability form, please contact TOPA at 805-373-8582 and a billing specialist will be able to assist you.

Fax completed form to TOPA Diagnostics at (805) 373-0023 one to two days prior to the procedure so that we may plan accordingly.

To order supplies, please print and complete the supply order form and fax it to TOPA Diagnostics at (805) 373-0023.

Delivering pathology & cytology services to the medical community for 20 years.