ASC Credentialing Builds Trust, Protects Patients

By Kelly Dragon, MSN, RN, Clinical Review Specialist 

Kelly Dragon is a clinical review specialist and surveyor with ACHC. She has 17 years of nursing experience in both hospital and ambulatory environments. Kelly’s background includes obstetrical nursing, perioperative nursing, and adjunct clinical teaching. 

Posted: July 6, 2026

Credentialing serves as a foundational safeguard in healthcare. When performed correctly, it is a seamless, recurrent process that ensures only qualified and competent providers are granted the authority to care for patients.

For ambulatory surgery centers (ASCs), credentialing is intended to engage administrative staff, medical staff, and the governing body in a collaborative verification and decision-making process that ensures patient safety, regulatory compliance, and quality of care.

Part I: Application and verification

Credentialing follows a deliberate, sequential process. Each step is defined by regulatory and accreditation requirements and must align with the ASC’s bylaws and policies.

The process begins with submission of a comprehensive application that includes educational history, work experience, a request for specific clinical privileges, attestation statements, and an agreement to abide by the facility’s governing rules. From there, administrative staff perform primary source verification (PSV) either directly or through a credentials verification organization (CVO), where key credentials such as medical education and residency, licensure, and board certifications are confirmed directly from the original sources.

Background and exclusion list screening are part of this process step, too. These confirmations are essential to validate that providers hold the qualifications they’ve claimed.

Part II: Awarding privileges

Once all information is verified, the process shifts to privileging. The application is reviewed by qualified medical staff. This is a critical transfer—privileging decisions cannot be delegated to administrative personnel alone. Medical staff review the privilege request, peer recommendations, and other documentation supporting competency. A formal recommendation is then made by a member of the medical staff to the governing board, which holds the ultimate authority for approval. The board’s deliberation and decision must be clearly documented in meeting minutes, and an official decision letter must be issued by the board to the applicant.

Credentialing is not a “one and done” event that ends after initial approval. Recredentialing, or reappointment, adds ongoing evaluation of the provider’s performance. This may include peer review activities, quality assessment and performance improvement (QAPI) data, and continued demonstration of clinical competence. The goal is to ensure that providers meet the standards to deliver safe, effective care over time.

Common credentialing errors

Despite its importance, credentialing is a common area for survey deficiencies. Frequently cited issues include:

• Steps completed out of order, e.g., a privileging approval letter that predates receipt of background checks.
• Incomplete or missing documentation of all required verifications.
• Missing documentation of current competence.
• Timing gaps in privilege approvals, e.g., privileges expired in April but renewal activities were not completed until June.
• Insufficient detail in governing board minutes.
• Approval letters signed by someone who is not a member of the governing body, e.g., signed by the administrator.

Deficiencies lead to survey findings that require plans of correction and place the organization at risk of delays in achieving or maintaining ACHC Accreditation.

Key takeaway

ASCs that understand and value credentialing requirements as a vital component of patient safety and organizational integrity adopt robust practices. They allow enough time to complete each step in the process, accounting for handoffs and completion of documentation. They know credentialing is more than paperwork—it’s a risk management strategy.

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