The health system determined the telemonitoring saved 34,000 ICU days and close to 2,000 lives in 2013 based on APACHE II predicted length of stay and mortality rates.

[12] In 2008, Banner Health selected Nextgen Healthcare as its partner for ambulatory EHR medical records at all of its outpatient facilities.

Clinics were renamed according to specialty across the entire system[15] In February 2014, Banner acquired Casa Grande Medical Center in Casa Grande, AZ[16] In June 2014, the University of Arizona Health Network (UAHN) and Banner Health launched a merger, pending Arizona Board of Regents approval to combine operations[17] The merger finally took place in 2016.

To upgrade the aging infrastructure of all of these facilities, Banner Health pledged nearly US$1.5 billion to several major construction projects in Phoenix and Tucson.

[21] Banner Health fell victim to a cyberattack and data breach that may have put the information of up to three million patients and employees at risk.

In April 2018, Banner submitted to an $18 million fine relating to billing and operational abnormalities relating to billing government programs for services[23] In June 2018, the company completed the transition of the Tucson medical facilities conversion from Epic Systems EHR to the EHR used at their other entities, Cerner.

Banner - University Medical Center Phoenix (formerly Banner Good Samaritan Medical Center, or "Good Sam"), is a 746-bed non-profit, acute care teaching hospital located in Phoenix, Arizona, providing tertiary and healthcare needs for the Arizona region and surrounding states.

[28] The hospital is an American College of Surgeons verified Level 1 Trauma Center[29] and has a rooftop helipad to transport critically ill patients from within the region.

Banner Gateway provides inpatient care such as surgery, interventional radiology, and stem cell transplantation.

In March 2014, a 103,000 square feet, $62 million expansion was completed to increase clinic space, infusion bays and radiation oncology facilities.

The new facilities were designed in collaboration with MD Anderson experts, ensuring state of the art equipment and treatment capabilities are in place.