Sayyiduna Ali (may Allah be pleased with him) narrates that once the Prophet (peace and blessings be upon him) had excess blood removed from a vein of his blessed body, and he gave wages to the person who performed this task, who is called a hajjam (barber/cupping practitioner).
Hadith Referenceمسند احمد / مسند الخلفاء الراشدين / 1129
Hadith Gradingحکم دارالسلام:حسن لغيره، وهذا إسناد ضعيف لضعف عبد الأعلى الثعلبي