Overview
Christopher Keir is a primary care provider, practicing in Internal Medicine in Boston, Massachusetts. Dr. Keir is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Gastrointestinal Stromal Tumor, Chronic Myelogenous Leukemia (CML), Leukemia, and X-Linked Severe Combined Immunodeficiency.
His clinical research consists of co-authoring 14 peer reviewed articles. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 4 articles in the study of Gastrointestinal Stromal Tumor.
Insurance
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Locations
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Beth Israel Deaconess Medical Center - GI Medical Oncology
Jessica Zerillo is an Internal Medicine specialist and an Oncologist in Boston, Massachusetts. Dr. Zerillo has been practicing medicine for over 17 years and is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. Her top areas of expertise are Anal Cancer, Familial Colorectal Cancer, Cholangiocarcinoma (Bile Duct Cancer), and Pancreatic Cancer.
Thomas Decker is a primary care provider, practicing in Internal Medicine in Dover, New Hampshire. Dr. Decker is rated as a Distinguished provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Breast Cancer, Colorectal Cancer, Hyperlipidemia Type 3, and Pulmonary Arteriovenous Malformation (PAVM).
BIDMC - Division Of Gastroenterology/GI West
Tyler Berzin is an Internal Medicine provider in Boston, Massachusetts. Dr. Berzin is rated as an Elite provider by MediFind in the treatment of Gastrointestinal Stromal Tumor. His top areas of expertise are Choledocholithiasis, Barrett Esophagus, Watermelon Stomach, Endoscopy, and Colonoscopy.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- Gastrointestinal Stromal TumorDr. Keir isDistinguished. Learn about Gastrointestinal Stromal Tumor.
- Experienced
- Acute Lymphoblastic Leukemia (ALL)Dr. Keir isExperienced. Learn about Acute Lymphoblastic Leukemia (ALL).
- Chronic Myelogenous Leukemia (CML)Dr. Keir isExperienced. Learn about Chronic Myelogenous Leukemia (CML).
- Colorectal CancerDr. Keir isExperienced. Learn about Colorectal Cancer.
- LeukemiaDr. Keir isExperienced. Learn about Leukemia.
- X-Linked Severe Combined Immunodeficiency

