is there any criticism behind it?
Yes, a Harvard-led research study published in the BMJ found that US hospital accreditation by independent organizations was not associated with lower mortality or with reduced readmission rates for common medical conditions.
Joint Commission
A Harvard-led research study published in the BMJ found that US hospital accreditation by independent organizations was not associated with lower mortality or with reduced readmission rates for common medical conditions. 
who is the actor who played black panther Chadwick Aaron Boseman. who is he? He was an American actor. where was he born? Anderson, South Carolina. what is the geographical significance of this place? It is located in the northwest corner of South Carolina on the Piedmont plateau. is there any college/s located here? Yes, the Anderson College which later became the Anderson University. what are some hospitals located here? AnMed Health Medical Center. what is the historical record behind it? Virginia "Jennie" Gilmer is widely recognized as the founder of the Anderson County Hospital, which later became AnMed Health. does it have accreditation? Yes, by the Joint Commission. what is this? It is a United States-based nonprofit tax-exempt 501(c) organization that accredits more than 22,000 US health care organizations and programs. how does it operate? All member health care organizations are subject to a three-year accreditation cycle, and laboratories are surveyed every two years. The unannounced full survey is a key component of The Joint Commission accreditation process.
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Joint Commission [SEP] Criticisms
A Harvard-led research study published in the BMJ found that US hospital accreditation by independent organizations was not associated with lower mortality or with reduced readmission rates for common medical conditions. The authors concluded that there was no advantage for patients to choose a hospital accredited by the Joint Commission over a hospital accredited by another independent accrediting organization. "The Wall Street Journal" suggested that the underlying reasons for this is the failure of the Joint Commission to revoke or modify the accreditation status of hospitals with major infractions considered to be so significant they caused, or were likely to cause, a risk of serious injury or death to patients.