Associate Professor, Medicine-Massachusetts General Hospital, Harvard Medical School
Gastroenterology
Dr. Andrew J. Chan, MD
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Andrew J. Chan, MD is an expert in the field of Gastroenterology. He graduated from Harvard Medical School. Harvard Medical School is a one of the best medicals schools. Harvard Medical School is ranked 1 in research and 12 in primary care medicine He has 1 awards "Meaningful Use Stage 1 Certification". Andrew Chan is a published MD. He published 95 publications, including: 'Association Between Circulating Levels of C-Reactive Protein and Interleukin-6 and Risk of Inflammatory Bowel Disease.' He is registered with Medicare.
Publications
- Vitamin D Supplementation Modulates T Cell-Mediated Immunity in Humans: Results from a Randomized Control Trial.
- Association Between Circulating Levels of C-Reactive Protein and Interleukin-6 and Risk of Inflammatory Bowel Disease.
- Rosacea, Use of Tetracycline, and Risk of Incident Inflammatory Bowel Disease in Women.
- Habitual intake of flavonoid subclasses and risk of colorectal Cancer in 2 large prospective cohorts.
- A genome-wide association study for colorectal Cancer identifies a risk locus in 14q23.1.
- Postdiagnostic intake of one-carbon nutrients and alcohol in relation to colorectal Cancer survival.
- Zinc intake and risk of Crohn's disease and ulcerative colitis: a prospective cohort study.
- Association of aspirin and NSAID use with risk of colorectal Cancer according to genetic variants.
- Reproductive factors, exogenous hormone use and risk of hepatocellular carcinoma among US women: results from the Liver Cancer Pooling Project.
- Nutrients, Foods, and Colorectal Cancer Prevention.
- Aspirin and COX-2 inhibitor use in patients with stage III colon Cancer.
- Molecular Pathways: Aspirin and Wnt Signaling-A Molecularly Targeted Approach to Cancer Prevention and Treatment.
- Screening and Surveillance for Barrett Esophagus.
- Author response: oral contraceptives and Crohn's disease.
- Genome-wide meta-analysis identifies six novel loci associated with habitual coffee consumption.
- Plasma 25-hydroxyvitamin d and risk of colorectal Cancer after adjusting for inflammatory markers.
- Discovery of colorectal Cancer PIK3CA mutation as potential predictive biomarker: power and promise of molecular pathological epidemiology.
- Etiologic field effect: reappraisal of the field effect concept in Cancer predisposition and progression.
- Relating the metatranscriptome and metagenome of the human gut.
- Large-scale genetic study in East Asians identifies six new loci associated with colorectal Cancer risk.
- The vitamin B12 analog cobinamide is an effective hydrogen sulfide antidote in a lethal rabbit model.
- Measures of Adiposity Are Associated With Increased Risk of Peptic Ulcer.
- Impact of vitamin d supplementation on inflammatory markers in african americans: results of a four-arm, randomized, placebo-controlled trial.
- Estimating the Heritability of Colorectal Cancer.
- Cost-effectiveness analysis of chromoendoscopy for colorectal Cancer surveillance in patients with ulcerative colitis.
- Challenges in Designing a National Surveillance Program for Inflammatory Bowel Disease in the United States.
- A Prospective Study of Long-term Intake of Dietary Fiber and Risk of Crohn's Disease and Ulcerative Colitis.
- Pleiotropic effects of genetic risk variants for other Cancers on colorectal Cancer risk: PAGE, GECCO and CCFR consortia.
- Higher Serum Levels of Vitamin D are Associated with Reduced Risk of Diverticulitis.
- SBERIA: set-based gene-environment interaction test for rare and common variants in complex Diseases.
- No association between germline variation in catechol-O-methyltransferase and colorectal Cancer survival in postmenopausal women.
- Anatomic subsite of primary colorectal Cancer and subsequent risk and distribution of second Cancers.
- Long-term intake of dietary fat and risk of ulcerative colitis and Crohn's disease.
- Bisphosphonate Use and Risk of Colorectal Cancer.
- Physical Activity, Tumor PTGS2 Expression, and Survival in Patients with Colorectal Cancer.
- Ustekinumab for moderate-to-severe Crohn's disease.
- Effect of vitamin d supplementation on Blood pressure in blacks.
- Association between sex hormones and colorectal Cancer risk in men and women.
- A prospective study of plasma inflammatory markers and risk of colorectal Cancer in men.
- Prospective cohort studies of bowel movement frequency and laxative use and colorectal Cancer incidence in US women and men.
- Early life factors and risk of inflammatory bowel disease in adulthood.
- Psoriasis, psoriatic arthritis and increased risk of incident Crohn's disease in US women.
- Statins and colorectal Cancer.
- Genome-wide search for gene-gene interactions in colorectal Cancer.
- Prospective Study of Family History and Colorectal Cancer Risk by Tumor LINE-1 Methylation Level.
- Common Single-Nucleotide Polymorphisms in the Estrogen Receptor ? Promoter Are Associated with Colorectal Cancer Survival in Postmenopausal Women.
- Molecular pathological epidemiology of epigenetics: emerging integrative science to analyze environment, host, and disease.
- Identification of Genetic Susceptibility Loci for Colorectal Tumors in a Genome-wide Meta-analysis.
- Phenotypic and tumor molecular characterization of colorectal Cancer in relation to a susceptibility SMAD7 variant associated with survival.
- Association Between Depressive Symptoms and Incidence of Crohn's Disease and Ulcerative Colitis: Results From the Nurses' Health Study.
- Aspirin and Chemoprevention of Cancer: Reaching Beyond The Colon.
- An Emerging Role for Anti-inflammatory Agents for Chemoprevention.
- Hormone Therapy Increases Risk of Ulcerative Colitis but not Crohn's Disease.
- A Prospective Study of Cigarette Smoking and the Risk of Inflammatory Bowel Disease in Women.
- Blood donation and colorectal Cancer incidence and mortality in men.
- Oral contraceptives, reproductive factors and risk of inflammatory bowel disease.
- Postmenopausal Hormone Therapy Is Associated with a Reduced Risk of Colorectal Cancer Lacking CDKN1A Expression.
- TH-A-BRA-10: The Role of Treatment Plan Adaptation during the Course of Proton Radiotherapy for Patients with Head and Neck Cancer.
- A Prospective Study of Bisphosphonate Use and Risk of Colorectal Cancer.
- Is Diabetes a Risk Factor for Colorectal Cancer?
- Colorectal Cancer: a tale of two sides or a continuum?
- Are we ready to recommend aspirin for Cancer prevention?
- Assessment of colorectal Cancer molecular features along bowel subsites challenges the conception of distinct dichotomy of proximal versus distal colorectum.
- Geographical variation and incidence of inflammatory bowel disease among US women.
- Higher Predicted Vitamin D Status is Associated with Reduced Risk of Crohn's Cisease.
- Aspirin in the chemoprevention of colorectal neoplasia: an overview.
- Cholelithiasis and the risk of nephrolithiasis.
- Aspirin and colorectal Cancer prevention in Lynch syndrome.
- The Influence of UGT1A6 Variants and Aspirin Use in a Randomized Trial of Celecoxib for Prevention of Colorectal Adenoma.
- Relationship Between Statin Use and Colon Cancer Recurrence and Survival: Results From CALGB 89803.
- C-reactive Protein and Risk of Colorectal Adenoma According to Celecoxib Treatment.
- Missed polyps, missed opportunities.
- Meta-analysis of new genome-wide association studies of colorectal Cancer risk.
- Statin use and colorectal Cancer risk according to molecular subtypes in two large prospective cohort studies.
- Aspirin Use, Body Mass Index, Physical Activity, Plasma C-Peptide, and Colon Cancer Risk in US Health Professionals.
- Molecular Prognostic and Predictive Markers in Colorectal Cancer: Current Status.
- Fruit, Vegetables, and Folate: Cultivating the Evidence for Cancer Prevention.
- Use of Aspirin or Nonsteroidal Anti-inflammatory Drugs Increases Risk for Diverticulitis and Diverticular Bleeding.
- Circulating Levels of Vitamin D and Colon and Rectal Cancer: The Physicians' Health Study and a Meta-analysis of Prospective Studies.
- Long-term use of aspirin and the risk of gastrointestinal bleeding.
- Aspirin and familial adenomatous polyposis: coming full circle.
- ABO Blood Group and Risk of Colorectal Cancer.
- Association of CTNNB1 (beta-catenin) alterations, body mass index, and physical activity with survival in patients with colorectal Cancer.
- Reported behavior of eating anything at anytime and risk of colorectal Cancer in women.
- Phosphorylated AKT expression is associated with PIK3CA mutation, low stage, and favorable outcome in 717 colorectal Cancers.
- Inflammatory markers are associated with risk of colorectal Cancer and chemopreventive response to anti-inflammatory drugs.
- Turning up the heat on colorectal Cancer.
- Interactions between Plasma Levels of 25-Hydroxyvitamin D, Insulin-Like Growth Factor (IGF)-1 and C-Peptide with Risk of Colorectal Cancer.
- Dietary insulin load, dietary insulin index, and colorectal Cancer.
- Cathepsin B expression and survival in colon Cancer: implications for molecular detection of neoplasia.
- Role of vitamin and mineral supplementation and aspirin use in Cancer survivors.
- Treatment-associated acute myeloid leukemia in a patient with Crohn's disease on 6-mercaptopUrine.
- Primary prevention of colorectal Cancer.
- HIF1A overexpression is associated with poor prognosis in a cohort of 731 colorectal Cancers.
Schools
NEW YORK UNIV SCH OF MED
Boston Med Center
Boston University Med CtrUniv Hp
Procedures Preformed
- Cystometry
- Cystourethroscopy and Transurethral Resection of Bladder Neck
- Incontinence Sling Procedure
- Kidney Stone Removal (Percutaneous Nephrostolithotomy, PCNL)
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Conditions Treated
- Atrophic Vaginitis
- Balanoposthitis
- Bedwetting
- Bladder Atony
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Doctors Specialties
- Urology
- Gastroenterology
Accepted Insurances
Awards
- Meaningful Use Stage 1 Certification
Education
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Massachusetts General Hospital -
Harvard Medical School
Hospital
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Massachusetts General Hospital
Drug Facts
| NPI NUMBER | 1356304273 | |
| NPPES Provider LastName | CHAN | |
| NPPES Provider FirstName | ANDREW | |
| NPPES Provider ZIPCode | 117145700 | |
| NPPES Provider State | NY | |
| Specialty Description | Urology | |
| Total Claim Count | 2219.0 | |
| Distinct Opioid Count | 0.0 | |
| Opioid Claim Count | 0.0 | |
| Percent Opioid Claims | 0.0 |
Helpful Reviews
Medicare Facts
| National Provider Identifier [NPI] | 1356304273 |
| Last Name Of The Provider | CHAN |
| First Name Of The Provider | ANDREW |
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