In 2018, the European Society of Gastrointestinal Endoscopy (ESGE) and United European Gastroenterology (UEG) published quality performance measures for endoscopic retrograde cholangiopancreatography (ERCP). Since January 2016, all endoscopists in the Netherlands have been required to register all ERCP procedures in a nationwide quality registry. This study aimed to evaluate the procedural success rates of ERCP after the implementation of mandatory national registration and to compare these with the ESGE quality performance measures.
 This study was conducted with data from a multicenter endoscopy database. Data from 2019 and 2020 were analyzed. The primary outcome was ERCP procedural outcome. ESGE performance measures that could be evaluated were the percentage of successful bile duct cannulations in patients with virgin papillary anatomy; successful stent placement for a biliary obstruction located below the liver hilum; and complete removal of bile duct stones (< 10 mm).
 In total, 5295 ERCPs performed in 11 centers were included for analysis. The overall procedural success rate was 89.1 %. Successful biliary cannulation in patients with a virgin papilla was 90.3 % in nonacademic and 92.4 % in academic centers. The rates of successful stent placement in patients with a biliary obstruction located below the liver hilum were 97.0 % in nonacademic and 98.2 % in academic centers, and of successful bile duct stone extraction were 97.9 % in both nonacademic and academic centers.
 The quality of ERCPs performed met five of the six evaluated ESGE performance measures. The 95 % target for successful biliary cannulation in patients with virgin papillary anatomy in academic centers was not met. Mandatory registration provides valuable insight into ERCP performance rates.

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