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Riverwalk:
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Andover:
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William O'Brien, MD

Welcoming New Patients!

Specialties

Rheumatology

Undergraduate and Graduate Education

Tufts University
Medford, MA

Medical School

Albert Einstein College of Medicine
Yeshiva University
Bronx, NY

Internship / Residency

Bellevue-NYU Medical Center
NYU School of Medicine
New York, NY

Fellowship

Brigham and Women’s Hospital
Harvard Medical School
Boston, MA

Board Certifications

American Board of Internal Medicine

American Board of Internal Medicine, Rheumatology


Reminder: To protect all of our patients, you must wear a mask to enter any of our locations.
Public health guidance for masking related to vaccination status has NOT changed in healthcare settings.

Vaccine Appointment Scheduling

Patients age 12 and older can schedule a vaccine appointment on the State’s website. Please note, any patient under 18 needs a parent or guardian’s consent which can be found here.

COVID-19 Information