
Highlights
Languages
- Swedish
- Norwegian
- French
- English
Gender
MaleLocations
- Brigham and Women's Endocrine Clinic
- 45 Francis Street, Boston, MA 02115
- Get Directions
- phone: 617-732-5666
- fax: 617-264-5220
- Brigham and Women's Endocrine Clinic
- 221 Longwood Avenue, Floor 2, Boston, MA 02115
- Get Directions
- phone: 617-732-5666
- fax: 617-264-5220
Expertise
Education
- Fellowship: Brigham and Women's Hospital, Endocrinology, 2014
- Residency: Brigham and Women's Hospital, Internal Medicine, 2010
- Internship: Beaumont Hospital, Medicine/Surgery - Internal Medicine, 2007
- Medical Education: Royal College of Surgeons in Ireland, 2005
Board Certifications
- Endocrinology Diabetes and Metabolism: American Board of Internal Medicine, 2012
- Internal Medicine: American Board of Internal Medicine, 2010
Insurance
- Aetna
- Beech Street
- Blue Cross Blue Shield
- Blue Cross Blue Shield Medicare
- Cigna
- Commonwealth Care Alliance
- Coventry
- Fallon Health
- Harvard Pilgrim Health Care
- Humana
- Mass General Brigham Health Plan
- MassHealth
- Medicaid ME
- Medicaid NH
- Medicare
- Medicare ACO
- Multiplan
- Railroad Medicare
- Senior Whole Health
- TriCare
- Tufts Health Plan
- Tufts Medicare Preferred
- United Health Care
- Wellpoint
- WellSense
Ratings & Reviews
4.9 out of 5
71 ratings, 27 reviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
- Reviewed on 2/8/2026
Dr. Hamnvik is a caring, thorough, competent physician. I feel very confident in his care for all of the medical issues he helps me take care of.
- Reviewed on 1/25/2026
I had a virtual follow up with my Dr which was perfect
- Reviewed on 1/18/2026
Excellent attention to my needs
- Reviewed on 12/22/2025
Dr. Hamnvik is extremely knowledgeable and caring and always comes prepared to my appointments with multiple solutions to my problems and always talks things through with me very well and is the only doctor that has ever made me feel like they actually care about my health and well-being.
- Reviewed on 12/21/2025
Dr. Hamnvik is extremely respectful, is informed about my medical history and needs, and provided me with the resources I needed in this appointment. He is a fantastic doctor.
- Reviewed on 12/15/2025
Very focused on me. Trust worthy After 8 years very helpful in follow up
- Reviewed on 12/14/2025
Outstanding, Dr Hamnvic always listens & we discuss my wellbeing.
- Reviewed on 12/11/2025
He is very thorough and thoughtful. He listens carefully and answers questions .
- Reviewed on 12/1/2025
Such a relief to have found this experienced knowledgeable MD!
- Reviewed on 11/30/2025
Dr Hamnvik is smart, kind, professional. I know I'm in the best hands possible. 45 years of T1D and he is the best endocrinologist I've had on my team.
- Reviewed on 11/1/2025
Dr.Hamnvik took the time to explain test results in detail and make sure I understood all my treatment options. I never felt rushed during appointments - Dr. Hamnvik listened carefully and answered all my questions with patience and care. I also appreciate that he followed up after visits to go over results and next steps. Dr. Hamnvik is a great doctor.
- Reviewed on 11/1/2025
He is thoughtful, thorough and always treats me with respect. He is a good listener and explains things in a way that is easy to understand and makes sense.
- Reviewed on 10/31/2025
Excellent, Understands all the other medical issues besides what I see him for. Works with other doctors in terms of providing needed labs and tests.
- Reviewed on 10/31/2025
I am most grateful to be a patient of Dr. Hamnvik. As always he is friendly, knowledgeable, and fully prepared for the visit. I have complete trust in his care. He typically has a medical student observing the visit. Dr. Hamnvik is an outstanding role model.
- Reviewed on 10/25/2025
He is the best doctor I have ever met.
- Reviewed on 10/25/2025
Dr. Hamnvik is thorough and organized.
- Reviewed on 10/1/2025
Very convincing
- Reviewed on 9/20/2025
Great comprehensive meeting. Thank You
- Reviewed on 9/13/2025
If only Dr. Hamnvik could teach other doctors to improve their bedside manners.
- Reviewed on 9/8/2025
He is one of the kindest doctors I've ever had.
- Reviewed on 9/5/2025
He is an amazing doctor. He explains everything and listens to any patient concerns and questions. Very thorough.
- Reviewed on 8/3/2025
Great eye doctor and assistant
- Reviewed on 6/30/2025
It's always a pleasure to see Dr. Hamnvick. He spends time, explains all very well and is extremely courteous. I feel very comfortable to recommend him to my family and friends.
- Reviewed on 6/25/2025
Dr Hamnvik is a great provider. He truly cares about his patients. Haven't blood work for him since last summer. He is great a follow. Doing blood work tomorrow and know that I will hear from him. A great doctor.
- Reviewed on 6/16/2025
Was exactly what I needed.
- Reviewed on 6/7/2025
Excellent-My visits are always informative and Dr. Hamnvik takes the time to listen.
- Reviewed on 4/5/2025
Good Communicator