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Begasse De Dhaem, Olivia, MD, FAHS





Providing the best care to our patients and their companions requires communicating in a way everyone understands. Interpreter services are available 24 hours a day, 7 days a week, 365 days a year. All spoken languages are available, as well as American Sign Language (AS/L).

Not Currently Accepting New Patients
  • Headache Medicine

Areas of Expertise
Botox, Cluster Headaches, Facial Pain, Menstrual Migraines, Migraine During Pregnancy, Migraine Headaches, Nerve Blocks, Tension Headaches, Trigeminal Autonomic Cephalagias, Trigeminal Neuralgia


Brigham and Women's Hospital

New York University School of Medicine

Medical School
Columbia University College of Physicians and Surgeons

New York Presbyterian Hospital at Columbia University

Professional Organizations

  • American Headache Society, Fellow
  • International Headache Society, Member
  • National Headache Foundation, Member
  • American Academy of Neurology, Member


Dr. Olivia Begasse de Dhaem does not prescribe butalbital containing agents such as fioricet nor opiates for headache. Dr. Olivia Begasse de Dhaem is a board certified neurologist who works as a headache specialist at the Hartford HealthCare headache center in Westport, CT. She completed her medical school and neurology residency at Columbia University in New York City. She completed her headache medicine fellowship at Harvard University. She has published extensively in the field of headache medicine and has given national and international talks. She serves as Executive Editor for the Pain Medicine journal. She co-edited a textbook “Headache: What Do I Do Now?” published by Oxford University Press in April 2023. She is actively involved in medical societies. She is on the Education Committee of the International Headache Society. She is a fellow of the American Headache Society and on the American Headache Society Advocacy Committee. She feels passionate about advocacy. She is a graduate of the American Academy of Neurology Palatucci Advocacy Leadership Forum. She is a member of the Executive Committee of the International Headache Society’s Global Patient Advocacy Coalition (IHS-GPAC). She has attended Headache on the Hill four times so far and participated in writing the paper that served the Headache on the Hill advocacy efforts of 2020. Her main area of advocacy is to support people with headache diseases in the workplace.



Aetna, Anthem, BCBS Medicare, CarePartners of Connecticut, Cigna Healthcare, Colonial Cooperative Care, Community Health Network of Connecticut, Inc., Connecticare, Connecticare Commercial, Connecticare Medicare, Corvel, Coventry, Essence Healthcare, Evercare, First Health Group Corp., Focus, Health Connecticut, Health Direct, Health New England, Healthy Connecticut, HMC/ Northeast Healthcare, Medspan Commercial, Medspan Medicare, Multiplan, Northeast Health Direct, One Health Plan/ Great-West Healthcare, Oxford Health Plans, Prime Health Services, Private Health Care Systems, Inc., Senior Whole Health, United Healthcare, WellCare of Connecticut, Inc.

This information is subject to change at any time. Please check with your insurance provider before scheduling your appointment or receiving services to confirm they are a participating member of the Hartford HealthCare network.