Editor's note: Readers of the print edition of this article will note a discrepancy in the numbers listed in the third paragraph of the online version. The print edition listed 50,000 anesthesiologists and nurse anesthetists and 130,000 anesthesiologist assistants in the U.S. Those numbers have been updated below along with a reference to a more accurate source.

The expansion of anesthesia services from beyond the OR to include non-operating room anesthesia care, critical care services, subspecialty services (namely, cardiac anesthesiology, pediatric anesthesiology, regional anesthesiology, ambulatory anesthesiology, office-based anesthesia, acute and chronic pain care), and the need for executive leadership in the specialty has resulted in a tremendous new landscape for the practice of anesthesiology. At the same time, large insurance companies controlling the market are constantly looking at ways to minimize health care reimbursement, creating increased challenges for anesthesia caregivers (asamonitor.pub/3hKinqq).

Recently, there has been a shift from...

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