Marilise A. Hyacinth, MD, PhD
- Accepting New Patients

About Me
Specialties/Areas of Care
Psychiatry
Adult Day Treatment
Adult Outpatient Mental Health Care
Geriatric Medicine
Special Training
Geriatric Psychiatry
Bio
Marilise A. Hyacinth, MD, PhD is a fellowship-trained psychiatrist at Middlesex Health Mental Health Services.
Dr. Hyacinth is certified by the American Board of Psychiatry and Neurology in the specialties of psychiatry and geriatric medicine. She completed her fellowship in geriatric psychiatry at the Yale University School of Medicine/Yale-New Haven Hospital, where she also performed her residency. Dr. Hyacinth earned her medical degree from the George Washington University School of Medicine and Health Sciences and her Ph.D. in chemistry from the University of Virginia.
Dr. Hyacinth has experience in inpatient and outpatient settings, and she serves as the Medical Director for the Day Treatment Programs and Adult Outpatient Services at Middlesex Health Mental Health Services. She is a member of the American Association of Geriatric Psychiatry, the American Medical Association, and the American Psychiatric Association.
Special Interests
Geriatric Psychiatry
Education & Training
Fellowship | Yale-New Haven Hospital, New Haven, CT |
Internship/Residency | Yale University School of Medicine, New Haven, CT |
Medical School | The George Washington University School of Medicine and Health Sciences, Washington, DC |
Doctoral Program | University of Virginia, Charlottesville, VA |
Board Certification
American Board of Psychiatry and Neurology - Psychiatry
American Board of Psychiatry and Neurology - Geriatric Medicine
Locations & Appointments
1 Office Location
1The Beit Paley Center for Mental Health Services
1 MacDonough PlaceMiddletown, CT 06457

Services
Insurance Accepted
Middlesex Health treats patients in their emergency departments regardless of their ability to pay.
- Multiplan
- ConnectiCare
- Centivo
- Harvard Pilgrim Health Care
- United Healthcare
- United Healthcare (including Golden Rule, UMR, United Behavioral Health, United Integrated Resources)
- Aetna
- Oxford Healthplans
- Medicare
- Connecticut State Medicaid (Husky) A, B, C, D, Charter Oak
- Northeast Health Direct
- Healthcare Value Management
- CarePartners of Connecticut
- Champus/Tricare
- Value Options (Behavioral Health services only)
- MHN (Behavioral Health services only)
- Blue Cross & Blue Shield
- Private Health Systems (PHCS)
- Cigna
- Cigna (including Starbridge and Great West)
- HMC
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