Occupational Health

Alert: Some CHA centers and services will be closed during the Thanksgiving holiday. Please see this schedule for details.

About Us

CHA Occupational Health is staffed by world renowned physicians on the faculty of Harvard Medical School and the T.H. Chan Harvard School of Public Health. We are centrally located in Somerville's Assembly Square.

Occupational Health

Our program serves businesses of every size. We have more than 800 clients representing a broad range of industries including manufacturing, pharmaceutical, retail and the public sector.

OEM Clinic

The OEM Clinic helps people exposed to chemicals/toxic substances or who have experienced on-the-job injuries. These patients are often referred by primary care doctors, lawyers, unions or insurance companies/agencies. 

Occupational Health Services

Customized plans to meet the unique needs of your company or organization.

Urgent Care

  • Minor lacerations
  • Contusions
  • Strains / Sprains
  • Minor fracture
  • Eye injuries


  • Physical Therapy
  • Hand Hardening
  • Occupational Therapy
  • Chemical Exposure

Specialty Care

  • Functional Capacity Evaluations (FCE)
  • Case Management
  • Disability Management
  • Independent Medical Exams (IME)
  • Repetitive Stress Injuries
  • Travel Medicine

Exams and Regulatory Evaluations

  • Pulmonary function testing
  • Pre-placement physicals
  • Drug and alcohol testing
  • Immunizations/vaccinations
  • Hearing testing
  • Medical surveillance (OSHA Required)
  • DOT Exams
  • Police/fire physicals
  • Fit for duty exams
  • Back injury prevention
  • Annual physicals
  • Immigration Physicals

Prevention and Assessment Services

  • Job Analysis
  • Orthotics/Prosthetics clinic
  • Ergonomic workstation evaluation
  • Safety/hazard identification
  • Corporate wellness
  • Primary Care at 13 area locations

    Contact Us

  • Occupational Health Program

    CHA Assembly Square Care Center 5 Middlesex Ave. | 1st Fl. Somerville, MA 02145
    P: (617) 591-4660 F: (617) 591-4693

    M - F: 8:30 am - 5 pm


  • Stephen Kales presented with award at the Fire, Rescue International Conference in San Antonio, Texas

    Chief Todd LeDuc (left) and Richard Miller of the International Association of Fire Chiefs (right) presenting Stephen Kales, MD, MPH, FACP, FACOEM (middle), with an award last week at the Fire, Rescue International Conference in San Antonio, Texas. The award was given in recognition of his research to improve firefighters’ well-being.