CHA Occupational Health

The services you need,
for organizations of all sizes.

Contact Us

Hours

Monday - Friday 8:30 am - 5 pm

"CHA has been a wonderful partner...responsive, timely and professional. They integrate into our work culture, are well accepted by our employees and are an excellent resource for managing our employee care. The partnership and prevention work done by CHA has significantly increased our knowledge and awareness, resulting in fewer lost time cases and injuries."

"Firefighting as a profession can be a difficult job and takes a toll on a person's body. After doing extensive research on firefighter health, you stood out to me with your expertise and dedication...I cannot thank your team enough for allowing me to come out to the Boston area for the evaluation and guidance on my medical conditions and work as a firefighter."

"The healthcare professionals possess in-depth knowledge and expertise in this demanding field. Each interaction with CHA is managed with care, keeping client privacy a priority. CHA is critical to our successful compliance program ensuring faculty, students, and staff are safe."

CHA Occupational Health offers expertise and direct care to individuals and organizations in the Boston region. We provide regulatory exams, prevent and treat workplace injuries, protect the health of travelers, and help hundreds of businesses keep employees safe, healthy and productive.

What You Get at CHA

  • A World-Class Team: Our physicians are on the faculty of Harvard Medical School and the 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.
  • Broad Expertise: We work with clients in biotech, healthcare, life sciences, manufacturing, municipalities, pharmaceuticals, public safety, retail and transportation. This gives us experience across all sectors of the workforce - drivers, researchers, executives, office workers, police officers 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.
  • Convenience: Our CHA Assembly Square Care Center is close to major roadways and public transportation (Orange Line). Ample parking is available, including parking for large vehicles.

    Visit our site

Program Highlights

Congratulations to Dr. Stefanos Kales, who received the 2024 Excellence in Mentoring Award from the American College of Occupational and Environmental Medicine. Dr. Kales is an international leader in the field, who has participated in research and teaching on five continents. As a mentor, he has trained numerous students, residents and fellows currently working in the US, Canada, Europe, South America, the Middle East and Asia.

Video: International Association of Fire Fighters (IAFF) Conference

    Article: Firefighting and the Heart

    CHA Firefighter Health Symposium in Orlando

    Research on the risks of daytime sleepiness in drivers

    Services We Offer

    • Agency Regulated Exams: OSHA, DOT, IME, FCE
    • Annual Medical Services
    • Disability Management
    • Immigration Exams
    • Medical Clinics, Flu Clinics and More
    • Orthopedic Consultations
    • Physical and Occupational Therapy
    • Pre-Employment Services and Exams
    • Screenings
    • Specialty Exams, Ergonomic Assessments and More
    • Travel Medicine
    • Vaccinations and Titers
    • Workplace Injuries - Urgent Care and Treatment (including chemical and toxic exposures)
    • X-rays

    Conditions We Treat

    • Clinical supervision for on-site Employee Health services
    • Consultation services
    • Evaluations for chemical and bio-hazard exposures
    • Program development for Vivarium and research staff
    • Support for Institutional Biosafety Committees (IBCs) and attendance at meetings
    • Development of pre-hire medical surveillance screening programs for employees and on-site vendors
    • Collaboration with Environmental Health and Safety agencies
    • Disability Management interface with managers and supervisors to facilitate appropriate return to work for work/non-work related cases

    Where You Can Find Us

    Our Leadership Team

    Dr. Stefanos Kales Stefanos Kales, MD, MPH, FACP, FACOEM - Medical Director

    Our Chief of Occupational and Environmental Medicine, Dr. Stefanos Kales, has published over 100 articles and has participated in research, advisory and teaching activities on five continents.

    He has a particular interest in the health of firefighters and other public safety professionals. His work includes research on the clinical epidemiology of cardiovascular events in firefighters and determining the causal relationship between heart disease and job activities. He currently serves as a Professor of Medicine and a Professor of Environmental Health at Harvard. Learn more.


    Portrait of Dr. Russel Tontz Russell Tontz, MD - Associate Medical Director

    Dr. Russell Tontz is a skilled physician who is board-certified in Occupational Medicine, Aerospace Medicine and Family Medicine. He comes to us from the Mayo Clinic, where he served as director/chair for Occupational Medicine and Employee Health in Minnesota for five years.

    An Air Force Veteran, Dr. Tontz has specialized training in Bioterrorism Prevention and Response and FEMA response. His extensive field and tactical knowledge includes 15 years experience caring for Fire and Law Enforcement and managing complex return to work and WC injuries. He is currently on the faculty at Harvard Medical School and brings a unique perspective to our team.


    Portrait of Jane Buley
    Jane Buley
    Sr. Director, Occupational Health
    Portrait of William Greene
    William Greene
    Business Operations Manager, Occupational Health
    Portrait of Jenna Cherenzia
    Jenna Cherenzia
    Occupational Health Clinical & Workers Compensation Manager
    Portrait of Kristen Fournier
    Kristen Fournier
    Administrative Coordinator II

    Providers

    Rose H. Goldman, MD

    Rose H. Goldman, MD

    Specialties

    • Occupational & Environmental Medicine
    • Occupational Health
    Stefanos N. Kales, MD, MPH, FACP, FACOEM

    Stefanos N. Kales, MD, MPH, FACP, FACOEM

    Specialties

    • Occupational Health
    • Occupational & Environmental Medicine
    Kevan Lutchman, MD, MPH

    Kevan Lutchman, MD, MPH

    Specialties

    • Occupational & Environmental Medicine
    • Occupational Health
    Spencer Mead, PA-C

    Spencer Mead, PA-C

    Specialties

    • Occupational & Environmental Medicine
    • Occupational Health
    Russell Tontz, MD

    Russell Tontz, MD

    Specialties

    • Occupational Health
    • Occupational & Environmental Medicine
    Vasileia Varvarigou, MD

    Vasileia Varvarigou, MD

    Specialties

    • Occupational & Environmental Medicine
    • Occupational Health
    • Internal Medicine
    Jeffery Vogel, MD

    Jeffery Vogel, MD

    Specialties

    • Occupational & Environmental Medicine
    • Occupational Health
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