Public Safety Exams

Call 617-591-4660

CHA has special expertise in the health of first responders. We are passionate about serving those who protect our well-being and offer a full range of care to meet their needs.

Our service is led by Stefanos Kales, MD, an internationally known author, researcher, and physician. Dr. Kales has over 30 years experience with public safety professionals and first responders, and is widely recognized as one of the nation's leading experts in their cardiovascular health. 

What You Get at CHA

  • Broad Expertise: We work with individuals and companies of all sizes and have experience across all sectors of the workforce - drivers, researchers, executives, office workers, police officers, firefighters and tradesmen.
  • On- and Off-site Services: CHA provides both remote and on-site services for clients. This includes clinical care and staffing of Medical Directors, Occupational Health Nurses and Ergonomists.
  • Employee Wellness: Whether you have an established Wellness Program or hope to start one, we can help. Choose a customized approach or prepackaged services to support your employee health goals and foster employee well-being and engagement.
  • Independent Medical Exams (IME): Our team provides Record and Chart Reviews, Causation Analyses, Fitness for Duty and Disability Evaluations. All reports are timely, objective, and detailed and will yield consistent and convincing opinions. We also have significant experience with deposition testimony.
  • Convenience: Our center is close to major roadways and public transportation (Orange Line). Ample parking is available, including parking for large vehicles.

    We are right off route 93, with quick access from Boston, Cambridge, Chelsea, Everett, Lynn, Malden, Medford, Revere, Saugus, Somerville, and adjacent communities. 

A World Class Team

CHA physicians are on the faculty of Harvard Medical School and T.H. Chan Harvard School of Public Health, offering you years of clinical and research experience.

We are also home to the Harvard Occupational Health Residency program.


Portrait of Dr. Stephanos KalesMeet Dr. Stefanos Kales, recipient of the 2024 Excellence in Mentoring Award from the American College of Occupational and Environmental Medicine. Learn more about Dr. Kales and his research.

Article: Firefighting and the Heart

Research on the risks of daytime sleepiness in drivers

CHA Firefighter Health Symposium in Orlando

    • Video: International Association of Fire Fighters (IAFF) Conference

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