What was Li Lao's original name?

Li Yuanshan was originally named Li Yuanshan. When I was a teenager, I witnessed my eldest brother's early death, and I abandoned my education to become a doctor. The teacher he worships is Zhang Gengui, a descendant of Zhang Yitie's 13 generation. After becoming a doctor, Li Lao changed his name to Li Jiren, and started the journey of "helping the world with kindness" at the age of 90. He is the first master of traditional Chinese medicine and the14th generation inheritor of the national intangible cultural heritage "Zhang Yitie". Speaking of Li Jiren, a master of traditional Chinese medicine, many people will think of "Li Jiren Health Tea". CCTV4 once broadcast a program to spread the name of "Li Jiren Health Tea". This kind of tea is simple to use, but it can replenish qi and blood. But many people don't know that the secret of Li Lao's health preservation is not only that cup of medicinal tea, but also another doorway. Li Lao was originally named Li Yuanshan. When I was a teenager, I witnessed my eldest brother's early death, and I abandoned my education to become a doctor. The teacher he worships is Zhang Gengui, a descendant of Zhang Yitie's 13 generation. After becoming a doctor, Li Lao changed his name to Li Jiren and started the journey of "helping the world with love". He broke through the family rules and, together with his wife Zhang Shunhua, who is also a descendant of Zhang Yitie, donated the ancestral secret recipe of Zhang Yitie to the country. Put forward a series of theories such as "unified theory of paralysis and flaccidity", and inherited and innovated Xin 'an medicine. Dingtan has a temple in front of the car, knocking at the door in the middle of the night and posting posts, making it more famous. Li Lao's disciples are all over the world. During the COVID-19 epidemic, Xiao Xiaolin, the leader of state administration of traditional chinese medicine medical treatment expert group and academician of Chinese Academy of Sciences, who went to Wuhan, was a student of Li Lao.