Amorosino, Mark S., MD, M.A.
Newburyport Gastroenterology LLC
37 1/2 Forrester Street
Newburyport, MA 01950
978-465-4622
Medical School: Boston University School of Medicine
Residency: Boston Medical Center & Boston Veterans Administration
Fellowship: Boston Medical Center & Boston Veterans Administration Gastroenterology
Board Certification: American Board of Internal Medicine
American Board of Internal Medicine, Gastroenterology

Hassan, Brett, MD
Newburyport Gastroenterology LLC
37 1/2 Forrester Street
Newburyport, MA 01950
978-465-4622
Medical School: University of Massachusetts School of Medicine
Internship: University of Massachusetts Medical Center, Internal Medicine
Residency: University of Massachusetts Medical Center, Internal Medicine
Fellowship: University of Massachusetts Medical Center, Gastroenterology
Board Certification: American Board of Internal Medicine

Ibrahim, Ahmer, MD
Pentucket Medical Associates
260 Merrimac Street
Newburyport, MA 01950
978-499-7200
Medical School: Drexel University College of Medicine, Philadelphia, PA
Internship: Tufts New England Medical Center, Internal Medicine
Residency: Tufts New England Medical Center, Internal Medicine
Fellowship: Tufts New England Medical Center, Gastroenterology
Board Certification: American Board of Internal Medicine, Internal Medicine
American Board of Internal Medicine, Gastroenterology

Jackson, William, G., MD
Coastal Medical Associates
Newburyport Medical Center
One Wallace Bashaw Jr. Way, Suite 2003
978-465-0635
www.coastalmedical.net
Medical School: Hahnemann Medical College, PA
Internship: Mercy Hospital, PA
Residency: Mercy Hospital
Board Certification: American Board of Internal Medicine

MacMillan, Francis P., Jr., MD
Merrimack Valley GI
62 Brown Street, Suite 207
Haverhill, MA 01830
978-521-3681
Medical School:Boston University School of Medicine
Internship: New England Deaconess Hospial
Residency: Beth Israel Deaconess Medical Center
Board Certification: American Board of Internal Medicine
American Board of Gastroenterology

Seymour, Bridget J., MD
Merrimack Valley GI
62 Brown Street, Suite 207
Haverhill, MA 01830
978-521-3681
Medical School: Albany Medical College, Albany, NY
Board Certification: American Board of Internal Medicine

Zirin, Richard, MD
Newburyport Gastroenterology LLC
37 1/2 Forrester Street
Newburyport, MA 01950
978-465-4622
Medical School: Boston University
Internship: George Washington University Hospital, DC
Residency: George Washington University Hospital
Fellowship: University of Connecticut
Board Certification: American Board of Internal Medicine
American Board of Internal Medicine, Gastroenterology