Associate Professor, Medicine-Massachusetts General Hospital, Harvard Medical School
Gastroenterology
Dr. Andrew S. Chan, MD
|
|
Give Review
Andrew S. Chan, MD works in the field of Gastroenterology. He studied medicine at Harvard Medical School. Harvard Medical School is a top medical college. Harvard Medical School has a rank of 1 in research and a 12 in primary care He received awards:"Meaningful Use Stage 1 Certification". Andrew Chan is a published doctor and has 95 publications published. The lastest was: 'Association Between Circulating Levels of C-Reactive Protein and Interleukin-6 and Risk of Inflammatory Bowel Disease.' He accepts 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
Medical College of Wisconsin
White Meml Med Center
White Memorial Med Center
VaUCLA Geri Program
Doctors Specialties
- Geriatric Medicine
- Gastroenterology
Accepted Insurances
- Aetna HMO
- Choice Plus POS II
- Power Select HMO
- Blue Card PPO
- CaliforniaCare HMO
- Advantage Preferred DirectAccess Plus PPO
- Blue Cross Blue Shield of California PPO
- Pathway X Direct Access PPO
- Pathway X Tiered Direct Access
- Priority Select HMO
- Select Plus HMO
- Select PPO
- Access Plus Savenet
- Enhanced Exclusive for Small Business HMO
- Local Access Plus HMO
- Cigna HMO
- Cigna PPO
- Great West Healthcare-Cigna PPO
- LocalPlus
- Open Access Plus
- Commercial Insurance Company
- Coventry Health Care
- First Health (Coventry Health Care) PPO
- Community Care Network HMO
- Employer Group HMO
- SmartCare HMO
- WholeCare Network HMO
- LACare
- Medicaid
- Medicare MCR
- Kaiser PHCS Network PPO
- MultiPlan PPO
- PHCS Network PPO
- Heritage Signature
- Tricare
- Choice Plus POS
- Navigate HMO
- Navigate POS
- Options PPO
- PacifiCare HMO
- United Healthcare
Awards
- Meaningful Use Stage 1 Certification
Education
-
Massachusetts General Hospital -
Harvard Medical School
Hospital
-
Massachusetts General Hospital
Drug Facts
| NPI NUMBER | 1104975507 | |
| NPPES Provider LastName | CHAN | |
| NPPES Provider FirstName | ANDREW | |
| NPPES Provider ZIPCode | 900332464 | |
| NPPES Provider State | CA | |
| Specialty Description | Family Practice | |
| Total Claim Count | 1535.0 | |
| Distinct Opioid Count | 0.0 | |
| Opioid Claim Count | 0.0 | |
| Percent Opioid Claims | 0.0 |
Helpful Reviews
Medicare Facts
| National Provider Identifier [NPI] | 1104975507 |
| Last Name Of The Provider | CHAN |
| First Name Of The Provider | ANDREW |
| View All |
Similar Doctors
|
|
Dr. Alan C. Lee, DPT |
|
|
Dr. Peifeng Hu, MD
 This Doctor is OpenDoctor Recommended.
|
|
|
Dr. Abbasi M. Akhtar, MD
This Doctor is OpenDoctor Recommended.
|
|
|
Dr. Alan A. Silver, MD |
|
|
Dr. David A. Ganz, MD
This Doctor is OpenDoctor Recommended.
|
|
|
Dr. Wesley S. Woo, MD |
|
|
Dr. John T. Liu, MD
This Doctor is OpenDoctor Recommended.
|
|
|
Dr. Neil A. Chatterjee, MD
This Doctor is OpenDoctor Recommended.
|
|
|
Dr. Linda Sohn, MD
This Doctor is OpenDoctor Recommended.
|
|
|
Dr. Eun J. Yoon, MD
This Doctor is OpenDoctor Recommended.
|
|
|
Dr. Matthew G. Lefferman, DO
This Doctor is OpenDoctor Recommended.
|
|
Dr. Rabindra R. Watson, MD
This Doctor is OpenDoctor Recommended.
|
|
|
Dr. Ara Sahakian, MD
This Doctor is OpenDoctor Recommended.
|
|
|
Dr. Thomas Zarchy, MD
This Doctor is OpenDoctor Recommended.
|
|
|
Dr. Nabeel F. Adham, MD |
|
|
Dr. Kirsten H. Tillisch, MD
This Doctor is OpenDoctor Recommended.
|