Contact Information
About Marie Demay, MD
Departments, Centers, & Programs:
Clinical Interests:
- Calcium disorders
- Endocrinology
- Osteomalacia
Treats:
- Adult
Languages:
- French
Locations
Mass General Endocrinology: Thyroid Associates
55 Fruit St.
Suite 730S
Boston, MA 02114
Phone: 617-726-8720
Mass General Endocrinology & Diabetes Care
102-104 Endicott St
Danvers, MA 01923
Phone: 617-726-8720
Mass General Endocrinology & Diabetes Care
52 Second Ave.
Blue Building, Suite 3100
Waltham, MA 02451
Phone: 617-726-8720
Medical Education
- MD, University of Saskatchewan
- Residency, Royal Victoria Hospital, Montreal
- Fellowship, Royal Victoria Hospital, Montreal
American Board Certifications
- Endocrinology, Diabetes & Metabolism, American Board of Internal Medicine
- Internal Medicine, American Board of Internal Medicine
Accepted Insurance Plans
- Aetna
- Beech Street
- Blue Cross Blue Shield
- Blue Cross Blue Shield Medicare
- Cigna
- Commonwealth Care Alliance
- Coventry
- Fallon Health
- Harvard Pilgrim Health Care
- Humana
- Maine Community Health Options
- Mass General Brigham Health Plan
- MassHealth
- Medicaid ME
- Medicaid NH
- Medicaid RI
- Medicaid VT
- Medicare
- Medicare ACO
- Multiplan
- Railroad Medicare
- Senior Whole Health
- TriCare
- Tufts Health Plan
- United Health Care
- Wellpoint
- WellSense
- WellSense NH
Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.
Patient Gateway
Secure online access to your health information whenever you need it. Check appointments, communicate with your provider and pay bills online 24/7.
A Top Hospital in America
Mass General is recognized as a top hospital on the U.S. News Best Hospitals Honor Roll for 2024-2025.