Quality improvement tools including: computer-assisted identification of iron deficiency anemia patients with an EHR registry, facilitated GI referral, an EHR tool for documentation, and physician education.

Physicians will be notified at the start of the study that 120 days after the study start they will receive access to the quality improvement tools available to the intervention group.

Quality improvement tools for iron deficiency anemia that include computer-assisted identification, an EHR registry, facilitated GI referral, an EHR tool for documentation, and physician education

Completion of upper and lower endoscopy, assessed using automated queries of the Northwestern Medicine Enterprise Data Warehouse occurring within the three years prior to the study start date and the 120 days following the study start date.

Specificially, presence of one or more terms for a completed procedure from the code set for Espohagoduodenoscopy/Upper Endoscopy and one or more terms from the code set for Colonoscopy within the indicated time frame constitutes completion of the measure.

Note:the investigators use a three-year look back because eligible patients may have completed either upper or lower endoscopy previously and only require one form of endoscopy during the study period.

Discrete evidence in the EHR that endoscopy has been completed or scheduled on or after the study start date.

Specificially, presence in the Northwestern Medicine EHR of a completed or future scheduled procedure for one or more terms from the code set for Espohagoduodenoscopy/Upper Endoscopy or one or more terms from the code set for Colonoscopy within the indicated time frame constitutes completion of the measure.

Note:the investigators use a three-year look back because eligible patients may have completed either upper or lower endoscopy previously and only require one form of endoscopy during the study period.