John B. Chessare M.D.

Dr. John ChessareJohn B. Chessare, M.D., M.P.H., F.A.C.H.E., began serving as President and Chief Executive Officer of the GBMC HealthCare system in June, 2010.
The GBMC HealthCare system includes Greater Baltimore Medical Center, a 270-bed acute care not-for-profit hospital; Greater Baltimore Medical Associates, a group of more than 40 multi-specialty physician practices on the hospital's Towson campus and in satellite locations across the region; Greater Baltimore Health Alliance, an alliance of GBMC-employed and private practicing physician partners; Gilchrist Hospice Care, Maryland’s largest hospice organization offering care in-home as well as in a 34-bed inpatient center on the GBMC Towson campus and at a 10-bed inpatient center in Howard County; and the GBMC Foundation, which raises funds to support the organization’s mission. For more information, visit

An active and visionary leader in the healthcare field for more than three decades and a pediatrician by training, Dr. Chessare served as president of Caritas Christi Health Care System's Caritas Norwood Hospital, a 264-bed hospital located just outside of Boston, Mass. from September 2005 through October 2008. In addition to his duties at Caritas Norwood, he was the senior vice president for quality and patient safety of the entire Caritas system and served as the system's interim president from May of 2006 until May of 2008.

Dr. Chessare has held several other executive level healthcare leadership roles, including at Boston Medical Center/Boston University School of Medicine from 1998 to 2005; at Albany Medical Center/Albany Medical College from 1994 to 1998; and at the Medical College of Ohio from 1983 to 1994.

Dr. Chessare joined GBMC after working as a consultant with regional and national healthcare organizations focusing on operational changes to improve patient flow and patient satisfaction while reducing costs. Additionally, he served as faculty for the Institute for Healthcare Improvement and the Institute for Healthcare Optimization in seminars on improving hospital operations.

With a proven track record as both a strong executive leader and a highly respected physician, Dr. Chessare has led clinical and administrative teams of organizations toward improvement in health outcomes, patient and staff satisfaction as well as reduced wait times and profit maximization. He has been instrumental in a number of quality and performance improvement initiatives, including the implementation of Computerized Physician Order Entry (CPOE) and oversight of system-wide clinical quality and patient safety measures.

Dr. Chessare has attained fellowship status in the American College of Healthcare Executives.  He earned his medical degree from the University of Rome in 1979, completed his pediatric residency at the University of Massachusetts Medical Center - where he served as chief resident in pediatrics, and completed fellowship training in General Academic Pediatrics at Boston Children's Hospital/Harvard Medical School. Dr. Chessare completed his Masters of Public Health in Medical Care Organization from the University of Michigan School of Public Health.

Greater Baltimore Medical Center | 6701 North Charles Street | Baltimore, MD 21204 | (443) 849-2000 | TTY (800) 735-2258
© 2017  GBMC. This website is for informational purposes only and not intended as medical advice or a substitute for a consultation with a professional healthcare provider.