Hadith
حَدَّثَنَا مُحَمَّدُ بْنُ أَبِي عُمَرَ الْعَدَنِيُّ، حَدَّثَنَا سُفْيَانُ بْنُ عُيَيْنَةَ، عَنِ ابْنِ طَاوُسٍ، عَنْ أَبِيهِ، عَنِ ابْنِ عَبَّاسٍ، أَنَّ النَّبِيَّ ـ صلى الله عليه وسلم ـ احْتَجَمَ وَأَعْطَاهُ أَجْرَهُ . قَالَ ابْنُ مَاجَهْ تَفَرَّدَ بِهِ ابْنُ أَبِي عُمَرَ وَحْدَهُ .
It was narrated from Ibn 'Abbas that :the Prophet (ﷺ) was treated with cupping and he gave him (the cupper) his wages. (Sahih)Ibn Abu 'Umar was alone in narrating it. That was said by Ibn Majah
Sahih · Al-Albani
Sunan Ibn Majah 2162 ·Book 12, Hadith 26·Also available on sunnah.com·