Medical Advisory Board


Robert J. Schreiber, MD

Seniorlink Medical Director

Robert J. Schreiber, MD, is Medical Director, Outpatient Primary Care, at Hebrew Senior Life, a seven site system of senior health care and housing serving more than 5000 seniors in the Greater Boston area of all faiths, races and creeds. It also is the largest applied geriatric research center and a teaching affiliate of the Harvard Medical School. Dr. Schreiber has been a physician for more than twenty years. He is presently leading the development of new approaches to improving quality of care in community, long-term care and post-acute care settings at Hebrew SeniorLife and nationally. Board-certified in internal medicine and geriatric medicine, he was the first Chairman of the Department of Geriatrics at Lahey Clinic in Burlington, MA. Dr. Schreiber is a Clinical Instructor of Medicine at Harvard Medical School and is active in educating and mentoring medical students, residents and geriatric fellows about caring for older adults. His specialty interests include prevention and wellness strategies in older adults, care transitions, and developing new models of care that emphasize self-management strategies for older adults. A graduate of Dartmouth College, Dr. Schreiber received his medical degree at Hahnemann Medical College in Philadelphia and he completed his residency at Danbury Hospital in Connecticut. Dr. Schreiber was named 2010 Medical Director of the Year by the American Medical Directors Association for his "exemplary work as a physician leader, educator, patient advocate and clinician.”


Eran Metzger, MD

Eran D. Metzger, MD received his Bachelor of Arts degree from Haverford College and his medical degree from the Pennsylvania State University. He completed both his residency in Psychiatry and a fellowship in Consultation Liaison Psychiatry at Boston's Beth Israel Deaconess Medical Center (BIDMC). Dr. Metzger is board-certified in Psychiatry. Dr. Metzger was the Director of the inpatient medical psychiatry unit at BIDMC prior to assuming his current position as Associate Director of Geropsychiatry for Hebrew SeniorLife in Boston. In addition to providing psychiatric care at the 700-bed chronic and sub-acute care Hebrew Rehabilitation Center, Dr. Metzger provides consultation for an affiliated 300-bed continuing care retirement community and for the Gerontology practice at BIDMC. Dr. Metzger also serves as chairman of the Ethics Committee for Hebrew SeniorLife. Dr. Metzger is an Assistant Professor of Psychiatry at Harvard Medical School and instructs medical students, residents, and fellows. His research and publications have been in the areas of eating disorders, medical complications from psychiatric treatments, and biomedical ethics in long-term care. He currently has a grant from the Practice Change Fellows program to develop a model for improved treatment of geriatric depression in the primary care setting. In 2007, Dr. Metzger was conferred the designation of Distinguished Fellow by the American Psychiatric Association.


James M. Ellison, MD, MPH

James M. Ellison MD MPH received his MD from UCSF in 1978 and his MPH from the Harvard School of Public Health in 1993. His psychiatry residency training was at Massachusetts General Hospital (1979-1982), where he served as chief resident in Emergency Psychiatry (APS) during his final year. Subsequently Dr. Ellison has pursued an academic, clinical, and administrative career, serving as chief of a psychiatric emergency service at New England Medical Center (1982-4), developing a psychopharmacology service at The Cambridge Hospital (1984-1991), and providing medical directorship at a for-profit mental health/substance abuse hospital (1991-3). He served as chief of an HMO mental health service (Harvard Vanguard Medical Associates, Burlington Practice, 1993-1998) and as chief of psychiatry at a community hospital psychiatry department (Boston Regional Medical Center, 1998-9) before assuming his current role as Clinical Director, Geriatric Psychiatry Service, at McLean Hospital in Belmont, Massachusetts (1999-present). His clinical work at McLean Hospital focuses on mood disorders and cognitive impairment and he is Director of the hospital's Memory Disorders Clinic. His research interests focus on late life depression and on noncognitive aspects of MCI and dementia.


James Ellison maintains an active private and consulting practice. Among the organizations to which Dr. Ellison belongs are the American Association for Geriatric Psychiatry (currently on Nominating Committee), the American Medical Association, Alpha Omega Alpha, the American Psychiatric Association (Distinguished Fellow), the American Society of Clinical Psychopharmacology (where he has served on the Curriculum Committee), and the Massachusetts Psychiatric Society (of which he was president in 2003-4). He teaches psychiatric trainees within the Harvard Medical School System, where he is an Associate Professor of Psychiatry. He is a reviewer for several journals, has published in the areas of emergency psychiatry, clinical psychopharmacology, and geriatric psychiatry, and has edited six books on mental health topics. His most recent book is Depression in Later Life, published by Marcel Dekker, Inc. in 2003. He is board certified in adult psychiatry with added qualifications in geriatric psychiatry. Dr. Ellison was named 2010 Educator of the Year by the American Association for Geriatric Psychiatry, citing his work in "curriculum development, teaching, leadership, mentoring, trainee and faculty development" at McLean Hospital in Belmont, Mass.


Barbara Mitzan, RN, BSN

Barbara Mitzan has worked in the healthcare field for over 30 years in a variety of setting and capacities, often engaged in developing new roles and systems for employers with expanding or changing organizational needs. Ms. Mitzan is currently employed at Commonwealth Care Alliance (CCA), a special needs plan with a commitment to integrating health services and related social support services to care for medically complex, frail, and disabled people. Her role as Clinical Program Manager involves supporting our primary care partners who provide direct care to members and developing specialized clinical programs to support the needs of the members. She has a special interest in working with seniors and elder care issues. The Senior Care Options Program, a plan for seniors administered by CCA, has allowed continued involvement in this area. Prior to joining Commonwealth Care Alliance in 2005, Ms. Mitzan worked with a large multispecialty physician practice providing case management services. This role allowed her to help the elder population navigate the health care system through interface with the primary care physicians, specialists, institutions, and community agencies. Ms. Mitzan holds an RN, BSN from Montana State University.

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