New York filled the most anesthesiology residency program positions for 2023, according to data from the National Resident Matching Program. 

 Of all active anesthesiologists, 56.9 percent are 55 or older, according to the Association of American Medical College's "2022 Physician Specialty Data Report."

 There are 42,264 total active anesthesiologists in the country, according to the Association of American Medical College's "2022 Physician Specialty Data Report."

Here are five anesthesiologists in the headlines since Feb. 23:

New York City-based Columbia University is the most expensive top-ranked medical university for anesthesiologists in 2023, costing students $66,816 a year, according to U.S. News & World Report.

North American Partners in Anesthesia has been contracted to provide care at Methodist Healthcare's hospital in San Antonio.

Former Escondido, Calif.-based anesthesiologist Leng Ky was sentenced to 17 years in prison for sexually assaulting patients while they were unconscious, the Times of San Diego reported March 16. 

There are five key business challenges that are unique to anesthesiologists, but they could be solved by new, reliable data in the coming years, according to a new blog post from Tony Mira, founder and CEO of MiraMed Global and president and CEO of Anesthesia Business Consultants. 

As of March 12, Cigna is lowering reimbursements for non-medically directed procedures performed by certified registered nurse anesthetists by 15 percent, Tony Mira, CEO of Anesthesia Business Consultants, wrote in a blog post. 

Denver is the highest-paying city for anesthesiologists with one to seven years of experience, according to Medscape's salary explorer.

Anesthesia Business Consultants has changed its name to Coronis Health, now operating as a part of the medical billing and outsourcing company, according to a March 14 press release sent to Becker's. 

California has the most practicing anesthesiologists of any state, according to data collected in January 2023 by the Kaiser Family Foundation.

Guardian, a mobile app developed by medtech company Vigilant Medical Solutions, allows anesthesiologists to monitor patients' vitals via smartphone.

Lack of respect is the biggest contributor to anesthesiologist stress, according to Medscape's "Anesthesiologist Lifestyle, Happiness & Burnout Report 2023," released Feb. 24. 

Here are three lawsuits filed by or against anesthesiologists that Becker's has reported on since Feb. 17: 

Only 58 percent of anesthesiologists said they were happy outside of work, compared to 85 percent before the COVID-19 pandemic, according to Medscape's "Anesthesiologist Lifestyle, Happiness & Burnout Report 2023," released Feb. 24. 

Austin Harris, MD, has been charged for participating in the Capitol riot that occurred Jan. 6, 2021. 

Inflation, supply chain disruptions and staffing shortages are three of the most-discussed factors in successful practice management in 2023.

Here are four anesthesia updates ASC leaders should know since Feb. 8: 

Students at the Carle Illinois College of Medicine in Urbana have developed a machine-learning system to assist patient recoveries following anesthesia.