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Meet the Team

Core Staff

Patients who come to our unit benefit from an experienced geriatric psychiatry team that includes board certified geriatric psychiatrists, psychiatric nurses, social workers, occupational therapists, internal medicine doctors and medical specialists.

Jason Strauss, MD
Medical Director

Board certified, Geriatric Psychiatry
Instructor in Psychiatry, Harvard Medical School


David Summersby, LICSWDavid Summersby, LICSW
Social Work Manager

After receiving an MSW from Boston University in 1993, David Summersby has worked as a clinical social worker in psychiatric hospitals and behavioral rehabilitation settings for the last 20 years. He joined the Cambridge Health Alliance in October 2012 after 11 years as the lead psychiatric social worker at Melrose Wakefield Hospital. He is the social work manager of both the geriatric and adult psychiatry units at Whidden Hospital. He has hired and supervised many successful social workers and social work interns who have gone on to professional positions throughout the Boston area.


Contact Us

Geriatric Psychiatry Specialty Unit
CHA Whidden Hospital Campus, Lewis 2
103 Garland Street
Everett, MA 02149

Make a Referral
CHA Central Intake: 617-665-1372

Learn More: Caregiver | Professional


“I found that all I had to do was ask and they were very helpful. Lots of answers. Lots of awareness and understanding. I would never hesitate to return if need be.- Patient from Cambridge, MA

Tour the CHA
Whidden Hospital campus