


Dr. Andrew Chan, MD
Dr. Andrew Chan, MD is a gastroenterologist in Boston, MA and has over 25 years of experience in the medical field. He graduated from HARVARD Medical School in 1997. He is affiliated with Massachusetts General Hospital. He is accepting telehealth appointments.
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55 Fruit St Fl 4 Boston, MA 02114Make an Appointment
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About Me
biography
Dr. Andrew Chan, MD is a gastroenterologist in Boston, MA and has over 25 years of experience in the medical field. He graduated from HARVARD Medical School in 1997. He is affiliated with Massachusetts General Hospital. He is accepting telehealth appointments.Gastroenterology
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Massachusetts General Hospital
Fellowship HospitalMassachusetts General Hospital
Residency HospitalHarvard Medical School
Medical School, 1997
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
Learn more about medical license public record checkOral Contraceptive Use and Risk of Ulcerative Colitis Progression: A Nationwide Study, 2016-10-11
Treatment Associated Acute Myeloid Leukemia in a Patient with Crohn's Disease on 6-MP, 2010-08-05
Leptin gene variants and colorectal cancer risk: Sex-specific associations, 2018-10-31
A Model to Determine Colorectal Cancer Risk Using Common Genetic Susceptibility Loci, 2015-02-13
Utility of inverse probability weighting in molecular pathological epidemiology, 2017-12-20
Metabolomics as a Tool for Biomarker Discovery in Gastric Cancer, 2021-09-24
ROTATING NIGHT SHIFT WORK, SLEEP, AND COLORECTAL ADENOMA IN WOMEN, 2017-01-17
Aspirin in the Prevention of Colorectal Neoplasia, 2020-10-09
Obesity and Risk of Young-Onset Colorectal Cancer among Women, 2019-01-01
Sleep Duration Affects Risk for Ulcerative Colitis: A Prospective Cohort Study, 2014-04-26
Plasma metabolomic profiles for colorectal cancer precursors in women, 2022-01-15
Aspirin and colorectal cancer: the promise of precision chemoprevention, 2016-02-12
DNA repair and cancer in colon and rectum: novel players in genetic susceptibility, 2019-07-04
Long-term use of antibiotics and risk of colorectal adenoma, 2017-04-04
Real-time tracking of self-reported symptoms to predict potential COVID-19, 2020-05-11
Author Correction: Symptoms and syndromes associated with SARS-CoV-2 infection and severity in pregnant women from two community cohorts, 2022-04-12
Desmoplastic Reaction, Immune Cell Response, and Prognosis in Colorectal Cancer, 2022-03-22
Molecular Prognostic and Predictive Markers in Colorectal Cancer: Current Status, 2011-06-01
Identifying colorectal cancer caused by biallelicMUTYHpathogenic variants using tumor mutational signatures, 2022-06-06
The COronavirus Pandemic Epidemiology (COPE) Consortium: A Call to Action, 2020-05-05
Rapid implementation of mobile technology for real-time epidemiology of COVID-19, 2020-05-05
Aspirin exerts high anti-cancer activity inPIK3CA-mutant colon cancer cells, 2017-09-18
TFF2-CXCR4 Axis is Associated withBRAFV600E Colon Cancer, 2015-04-21
Higher Serum Levels of Vitamin D are Associated with Reduced Risk of Diverticulitis, 2013-08-15
Calcium intake and colon cancer risk subtypes by tumor molecular characteristics, 2019-04-08
Measures of Obesity and Risk of Crohn's Disease and Ulcerative Colitis, 2014-11-05
Menopausal Hormone Therapy and Risk of Diverticulitis, 2020-05-19
Human Postprandial Responses to Food and Potential for Precision Nutrition, 2020-06-11
Continuity of transcriptomes among colorectal cancer subtypes based on meta-analysis, 2018-09-25
Genetic variants of adiponectin and risk of colorectal cancer, 2014-12-08
Rosacea, Use of Tetracycline, and Risk of Incident Inflammatory Bowel Disease in Women, 2015-09-25
A Summary of the 2020 Gastric Cancer Summit at Stanford University, 2020-07-21
Plasma inflammatory markers and risk of advanced colorectal adenoma in women, 2015-10-28
Meat intake and risk of diverticulitis among men, 2017-01-09
A Statistical Method for Association Analysis of Cell Type Compositions, 2021-09-15
Mendelian randomization study of body mass index and colorectal cancer risk, 2015-05-14
Association Between Obesity and Weight Change and Risk of Diverticulitis in Women, 2018-04-01
Genomic Correlates of Immune-Cell Infiltrates in Colorectal Carcinoma, 2016-04-14
Statistical Methods for Studying Disease Subtype Heterogeneity, 2015-12-01
Geographic and seasonal variation is associated with diverticulitis admissions, 2015-06-17
Trends in Prescription Drug Use among Adults in the United States from 1999-2012, 2015-11-03
"Fecal microbiome in epidemiologic studies” - Letter, 2016-03-09
The prognostic role of macrophage polarization in the colorectal cancer microenvironment, 2020-10-06
Aspirin and Familial Adenomatous Polyposis: Coming Full Circle, 2011-04-25
Genetic obesity variants and risk of conventional adenomas and serrated polyps, 2021-08-17
Host Genetics Predict Clinical Deterioration in HCV-Related Cirrhosis, 2014-12-12
Prognostic role of inflammatory diets in colorectal cancer overall and in strata of tumor-infiltrating lymphocyte levels, 2022-11-27
A comprehensive survey of genetic variation in 20,691 subjects from four large cohorts, 2017-03-16
Hormone Therapy Increases Risk of Ulcerative Colitis but not Crohn's Disease, 2012-07-27
Inverse relationship betweenFusobacterium nucleatumamount and tumor CD274 ( PD-L1 ) expression in colorectal carcinoma T Ugaiet al., 2023-08-02
Endoscopic screening and risk of colorectal cancer according to type 2 diabetes status, 2022-12-01
Pre-existing type 2 diabetes and survival among patients with colorectal cancer, 2021-02-02
MicroRNAMIR21(miR-21) and PTGS2 expression in colorectal cancer and patient survival, 2016-03-08
Intake of dietary fiber, fruits, and vegetables, and risk of diverticulitis, 2019-07-18
Adiposity, metabolites, and colorectal cancer risk: Mendelian randomization study, 2020-12-17
COX-2 expression in adenoma: an imperfect marker for chemoprevention, 2010-09-09
Higher Predicted Vitamin D Status Is Associated With Reduced Risk of Crohn's Disease, 2011-12-09
Calcium Intake and Risk of Colorectal Cancer According to Tumor-infiltrating T Cells, 2019-02-13
Blood Donation and Colorectal Cancer Incidence and Mortality in Men, 2012-06-22
Association between Sex Hormones and Colorectal Cancer Risk in Men and Women, 2012-11-28
Dietary patterns and risk of hepatocellular carcinoma among US men and women, 2019-03-05
Risk Factors for Incident Inflammatory Bowel Disease According to Disease Phenotype, 2022-01-12
Salicylic Acid and Risk of Colorectal Cancer: A Two-Sample Mendelian Randomization Study, 2021-11-21
Association of Proton Pump Inhibitor Use With All-cause and Cause-specific Mortality, 2022-07-01
Television Watching and Colorectal Cancer Survival in Men, 2015-08-21
MicroRNAlet-7, T cells, and patient survival in colorectal cancer, 2016-10-13
The role of diet in the etiopathogenesis of inflammatory bowel disease, 2018-10-11
Yogurt consumption and risk of conventional and serrated precursors of colorectal cancer, 2019-06-17
Body Fatness over the Life Course and Risk of Serrated Polyps and Conventional Adenomas, 2020-03-31
Meta-analysis of New Genome-wide Association Studies of Colorectal Cancer Risk, 2011-07-15
Knowledge barriers in a national symptomatic-COVID-19 testing programme, 2022-01-19
The mental health burden of racial and ethnic minorities during the COVID-19 pandemic, 2022-08-10
Unrestrained eating behavior and risk of mortality: a prospective cohort study, 2021-09-17
Shared heritability and functional enrichment across six solid cancers, 2019-01-25
Physical activity and risk of hepatocellular carcinoma among U.S. men and women, 2020-04-20
Changes in lifestyle factors after endoscopic screening: a prospective study in the US, 2021-07-10
Metatranscriptome of human fecal microbial communities in a cohort of adult men, 2018-01-15
A Prospective Study of Aspirin Use and the Risk of Gastrointestinal Bleeding in Men, 2010-12-29
Dairy intake during adolescence and risk of colorectal adenoma later in life, 2021-01-04
Association Between Proton Pump Inhibitor Use and Cognitive Function in Women, 2017-07-18
Dietary insulin load, dietary insulin index, and colorectal cancer, 2010-10-05
A genome-wide association study for colorectal cancer identifies a risk locus in 14q23.1, 2015-09-24
Genomic Risk Prediction for Breast Cancer in Older Women, 2021-07-14
Trajectory of body shape across the lifespan and cancer risk, 2016-02-08
Genome-Wide Search for Gene-Gene Interactions in Colorectal Cancer, 2012-12-26
Prediagnostic Plasma Adiponectin and Survival among Patients with Colorectal Cancer, 2015-09-17
Endogenous sex hormones and colorectal cancer survival among men and women, 2020-01-11
Effect of Vitamin D Supplementation on Blood Pressure in African-Americans, 2013-08-27
Long Term Use of Aspirin and the Risk of Gastrointestinal Bleeding, 2011-02-28
Nutrients, Foods, and Colorectal Cancer Prevention, 2015-01-06
Seasonal Variation in Diverticulitis: Evidence From Both Hemispheres, 2018-07-25
Risk Factors and Incidence of Colorectal Cancer According to Major Molecular Subtypes, 2020-10-07
Periodontal Disease, Tooth Loss, and Risk of Serrated Polyps and Conventional Adenomas, 2020-06-07
Measures of Adiposity Are Associated with Increased Risk of Peptic Ulcer, 2014-03-26
Fusobacterium nucleatumin colorectal carcinoma tissue and patient prognosis, 2015-08-26
Early Life Factors and Risk of Inflammatory Bowel Disease in Adulthood, 2013-06-17
Physical activity and survival in male colorectal cancer survivors, 2009-12-14
Association between Aspirin Use and Gastric Adenocarcinoma: A Prospective Cohort Study, 2022-04-01
Geographical variation and incidence of inflammatory bowel disease among US women, 2012-01-11
A Cohort Study of STMN1 Expression in Colorectal Cancer: Body Mass Index and Prognosis, 2009-06-09
Environmental factors, gut microbiota, and colorectal cancer prevention, 2018-07-18
Total vitamin D intake and risks of early-onset colorectal cancer and precursors, 2021-07-07
Discovery of common and rare genetic risk variants for colorectal cancer, 2018-12-03
Dietary intake of branched-chain amino acids and risk of colorectal cancer, 2019-11-07
Tumour CD274 (PD-L1) expression and T cells in colorectal cancer, 2016-05-05
Risk Factor Profiles Differ for Cancers of Different Regions of the Colorectum, 2020-04-01
Diet quality and risk and severity of COVID-19: a prospective cohort study, 2021-09-06
EFFECT OF INITIATING ASPIRIN ON CANCER EVENTS IN THE HEALTHY ELDERLY, 2019-11-08
Association of midlife antibiotic use with subsequent cognitive function in women, 2022-03-23
Long-term Intake of Dietary Fat and Risk of Ulcerative Colitis and Crohn's Disease, 2013-07-04
Type 2 diabetes and risk of colorectal cancer in two large U.S. prospective cohorts, 2018-11-07
A Prospective Study of Oral Contraceptive Use and Colorectal Adenomas, 2016-04-28
Aspirin and colorectal cancer prevention in the Lynch syndrome, 2011-10-27
Aspirin in the Chemoprevention of Colorectal Neoplasia: An Overview, 2011-11-14
Fiber intake and survival after colorectal cancer diagnosis, 2018-01-01
Stability of the human faecal microbiome in a cohort of adult men, 2018-01-15
Aspirin Modulation of the Colorectal Cancer-Associated Microbe Fusobacterium nucleatum, 2021-04-06
Nongenetic Determinants of Risk for Early-Onset Colorectal Cancer, 2021-05-20
Red meat intake, NAT2, and risk of colorectal cancer: A pooled analysis of 11 studies, 2014-10-23
Influence of the Gut Microbiome, Diet, and Environment on Risk of Colorectal Cancer, 2019-10-03
Colorectal cancer: a tale of two sides, or a continuum?, 2012-04-05
Oral contraceptives, reproductive factors and risk of inflammatory bowel disease, 2012-05-22
Cancer and Risk of COVID -19 Through a General Community Survey Lee, Ma, Sikavi et al., 2020-09-07
Calcium Intake and Survival after Colorectal Cancer Diagnosis, 2018-12-13
Accessible data curation and analytics for international-scale citizen science datasets, 2021-11-22
High School Diet and Risk of Crohn's Disease and Ulcerative Colitis, 2015-05-15
Dietary Inflammatory Potential and Risk of Crohn's Disease and Ulcerative Colitis, 2020-05-07
Antibiotic Use Associated With Risk of Colorectal Polyps in a Nationwide Study, 2020-05-23
Fusobacterium nucleatumand T-cells in Colorectal Carcinoma, 2015-08-01
A Prospective Study of Smoking and Risk of Synchronous Colorectal Cancers, 2017-01-24
Pre-Diagnostic Telomere Length and Colorectal Cancer Risk, 2022-01-13
Postprandial glycaemic dips predict appetite and energy intake in healthy individuals, 2021-04-12
Genome-Wide Diet-Gene Interaction Analyses for Risk of Colorectal Cancer, 2014-04-17
Genetic Variant Associated with Survival of Patients with Stage II-III Colon Cancer, 2019-12-04
Association of social distancing and face mask use with risk of COVID-19, 2021-06-18
Adiposity, Adulthood Weight Change and Risk of Incident Hepatocellular Carcinoma, 2021-07-15
Genetic Predictors of Circulating 25-Hydroxyvitamin D and Risk of Colorectal Cancer, 2013-08-27
Biomarker correlation network in colorectal carcinoma by tumor anatomic location, 2017-06-17
Type 2 diabetes prevention diet and hepatocellular carcinoma risk in U.S. men and women, 2019-10-19
Dietary lignans, plasma enterolactone levels, and metabolic risk in men: exploring the role of the gut microbiome, 2022-03-29
Metagenomic assessment of gut microbial communities and risk of severe COVID-19, 2023-07-12
Frequency of Bowel Movements and Risk of Diverticulitis, 2021-01-05
Risk of Hypercalcemia in Blacks Taking Hydrochlorothiazide and Vitamin D, 2014-03-20
Antibioticuse and colorectal cancer: A causal association?, 2019-12-24
Tumor PDCD1LG2 (PD-L2) expression and the lymphocytic reaction to colorectal cancer, 2017-10-16
Structure of the mucosal and stool microbiome in Lynch syndrome, 2020-04-01
Telomere structure and maintenance gene variants and risk of five cancer types, 2016-09-08
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Affiliated Hospitals
- Recipient of 31
hospital awardsAmerica’s 100 Best Hospitals for Gastrointestinal Care Award™ (2025, 2024)
Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery
View all awardsAmerica’s 100 Best Hospitals for Gastrointestinal Surgery Award™ (2025, 2024, 2023)
Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery
View all patient feedbackHow patients felt about the care they received at this hospital.
90%Patients said they were given information about recovering at home6% higher than the national average
86%Patients would recommend the hospital to friends and family21% higher than the national average
Compare with other Gastroenterologists
Compare Dr. Chan with our nearby Gastroenterologists at Tufts Medical Center.
Make an appointment at Tufts Medical Center today at
(617) 263-8322.