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CHA Video Library
Meet Dr. Stephen N. Kales

Dr. Stephen N. Kales is a national expert in Occupational & Environmental Medicine and Director of the training program in Internal and Occupational Medicine at the Harvard School of Public Health. His important research on the health of first responders and truck drivers has helped inform national public policy. He is Chief of our Division of Occupational & Environmental Medicine and Medical Director of our Occupational Health Program.

Meet Milourdine: CHA Maternity Patient
Milourdine found the care she needed at CHA Maternity.
Meet Karina Walter: Why She Chose Primary Care at CHA
Karina found a great primary care team at CHA. You can too .
Dr. Hagan's "Tips for New Parents": Part 3
I am a primary care provider at the CHA Windsor Street Health Center and Chief of Pediatrics at Cambridge Health Alliance. I chose Pediatrics as specialty because I knew early on that I love working with children and families. I didn’t apply to medical school to become a doctor. I went to medical school to become a pediatrician.
Dr. Hagan's "Tips for New Parents": Part 2
I am a primary care provider at the CHA Windsor Street Health Center and Chief of Pediatrics at Cambridge Health Alliance. I chose Pediatrics as specialty because I knew early on that I love working with children and families. I didn’t apply to medical school to become a doctor. I went to medical school to become a pediatrician.
Dr. Hagan's "Tips for New Parents": Part 1
I am a primary care provider at the CHA Windsor Street Health Center and Chief of Pediatrics at Cambridge Health Alliance. I chose Pediatrics as specialty because I knew early on that I love working with children and families. I didn’t apply to medical school to become a doctor. I went to medical school to become a pediatrician.
Have a Baby at CHA
Is there a baby in your future? Watch our 30-second commercial to learn more about the maternity care at our Cambridge Hospital Campus .
Meet our OB/GYN Physicians
CHA OB/GYN physicians can provide expert care for your growing family.