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Alan P. Siegal, M.D.

Dr. Alan Siegal is a nationally renowned adult and geriatric psychiatrist who serves as an associate clinical professor at Yale University School of Medicine as well as an attending physician at Yale-New Haven Hospital. He is the founding director of the Yale Alzheimer’s Disease and Cognitive Disorders Research Unit and past President of the American Association for Geriatric Psychiatry.

Dr. Siegal completed his residency in psychiatry and a fellowship in geriatric psychiatry at the Yale School of Medicine. He is the Director of the Geriatric & Adult Psychiatry Clinical Care and Research Center, with an office located in Hamden Connecticut.

Dr. Siegal has authored and co-authored multiple books, book chapters, reviews, and original articles. His research activities and clinical experience has afforded him the opportunity to lecture around the world.

Meet The Team

Lauren Mercer, M.D.

Board Certified Geriatric and Adult Psychiatrist

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Shannon Kukulka

Advanced Nurse Practitioner

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Olivia Zygart

Advanced Nurse Practitioner

Simmi Narula

Advanced Nurse Practitioner

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Heidi Sward

Licensed Clinical Social Worker

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Leah Caplan 

Licensed Master of Social Worker

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Michelle Rogalski

Clinical Assistant

Elizabeth Koris: Office Manager

Keilah Boria: Billing & Facility Manager

Gina Burroughs: Medical Records Clerk

Roseann Franco: Receptionist

Donna Accellutto: Data Entry Clerk

Racheal Burroughs: File Clerk

In memory of Jeanne Jackson-Siegal M.D.

(October 28, 1956 – January 02, 2016)

Partner, Director of Educational Development, and Director of Facility Care for
Geriatric & Adult Psychiatry, LLC
March 2000 – Jan 2016

Assistant Clinical Professor Yale University Medical School
2000 – 2012

Yale Clinical faculty on Consult Psychiatry Service
2000 – 2012

Medical Director of Alzheimer’s Resource Center of Connecticut
1999 – 2012

American Association of Geriatric Psychiatry (AAGP) Speaker
National & International
for multiple Pharmaceutical Companies
1995 – 2012

Clinician of the Year 2004
American Association of Geriatric Psychiatry presented for: “profound commitment to the field of clinical geriatric psychiatry, persistent efforts to advance standards of care for all elderly people, and for enthusiastically encouraging fellow practitioners to appreciate the need to provide compassion, commitment, and education for the benefit of all patients”