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Curriculum Vitae

Education

B.A., summa cum laude, Yeshiva University – 1996
New York, NY

M.D., The Mount Sinai School of Medicine – 2000
New York, NY

M.B.A., Zicklin School of Business at Baruch College MBA in Healthcare – 2016
New York, NY

Post-Graduate Training & Fellowship Appointments

Intern in Medicine 2000 – 2001
Beth Israel Medical Center, New York, NY

Resident in Medicine 2001 – 2003
Beth Israel Medical Center, New York, NY

Fellow, Division of Digestive Diseases 2003 – 2006
Beth Israel Medical Center, New York, NY

Specialty Certification

Diplomate, American Board of Internal Medicine 2003
Board Certified, Gastroenterology 2006

Licensure

# 222732, New York State

Professional Experience

Associate Chief of Gastroenterology, Elmhurst Hospital Center. 2016 – Present. Elmhurst, NY

Fellowship Director, Gastroenterology Fellowship: Elmhurst Hospital Center. 2013 – Present. Elmhurst, NY.

Gastroenterology Attending, Park Avenue Medical Professionals, 2006-2007. New York, NY

Academic Appointment

Clinical Instructor in Medicine
Mount Sinai Medical Center 2006 – Present

Publications

Bansal R, Patel I, Tomaino C, Aron J, Walfish A. Acute Gastric Ischemia after Chemoembolization in a Patient with Hepatocellular Carcinoma. Am J Gastroenterol. 2016 Aug;111(8):1088.

Vyas N, Ahmad S, Bhuiyan K, Catalano C, Alkhawam H, Sogomonian R, Walfish A, Aron J. Primary squamous cell carcinoma of the rectum: a case report and literature review. J Community Hosp Intern Med Perspect. 2016 Jul 6;6(3).

Syed U, Ching Companioni RA, Alkhawam H, Walfish A. Amyloidosis of the gastrointestinal tract and the liver: clinical context, diagnosis and management. Eur J Gastroenterol Hepatol. 2016 Oct;28(10):1109-21.

Catalano C, Companioni RA, Khankhanian P, Vyas N, Patel I, Bansal R, Walfish A. Video capsule endoscopy: Is bowel preparation necessary? J Investig Med. 2016 Jun.

Syed U, Alkhawam H, Bakhit M, Companioni RA, Walfish A. Hepatic sarcoidosis: pathogenesis, clinical context, and treatment options. Scand J Gastroenterol. 2016 May 13:1-6.

Bansal R, Sikder T, Aron J, Rajnish I, Walfish A. Lung Abscess: Atypical Presentation of Achalasia. Am J Med Sci. 2016 Apr;351(4):407.

N. Vyas, RA. Companioni, M. Tiba, H. Alkhawam H, A. Walfish. “Pegaspargase Induced Hypertriglyceridemia Resulting in Severe Fatal Pancreatitis,” Case Reports in Gastrointestinal Medicine. 2015 Nov 29.

V. Gumaste, K. Bhamidimarri, R. Bansal, L. Sidhu, J. Baum, A. Walfish. “Factors predicting early discharge and mortality in post-percutaneous endoscopic gastrostomy patients.” Ann Gastroenterol. 2014;27(1):42-47.

V. Ghevariya, R. Bansal, L.Sidhu, A.Walfish. “Celiac artery compression: EUS evaluation”. Gastrointest Endosc. 2014 Apr;79(4):548.

D. Sachar, A. Walfish. “Inflammatory bowel disease: one or two diseases?”  Curr Gastroenterol Rep. 2013 Jan;15(1):298.

C. Mehta, V.  Gumaste, A. Leytin, A. Walfish. “An unusual cause of upper gastrointestinal bleeding: duodenal GIST. A case report and literature review.” Acta Gastroenterol Belg. 2011 Jun;74(2):347-51.

A. Walfish, D. Sachar. “Phenotype classification in IBD: Is there an impact on therapy?” Inflam. Bowel Dis. 2007 Dec;13(12):1573-5.

K. Gopal, TC. Johnson, S. Gopal, A. Walfish, CT. Bang, P. Suwandhi, HN. Pena-Sahdala, DJ. Clain, HC. Bodenheimer Jr, AD. Min.”Correlation between beta-lipoprotein levels and outcome of hepatitis C treatment.” Hepatology 2006;44:335-340.

A. Walfish, A Sapadin , “Fixed Drug Eruption Due to Doxycycline and Metronidazole”. Cutis, 03/2002 Vol. 69, No 3.

Textbook chapters

R. Bansal, A. Walfish, 2016 Bezoars and Foreign Bodies, The Merck Manual Diagnosis and Therapy: Merck Research Libraries.

D. Sachar , A. Walfish, 2005-present  Inflammatory Bowel Disease, The Merck Manual of Diagnosis and Therapy. Whitehouse Station, New Jersey: Merck Research Libraries.

D. Sachar, A. Walfish, 2006-present Inflammatory Bowel Disease, The Merck Manual of Medical Information- Home Edition. Whitehouse Station, New Jersey: Merck Research Libraries.

D. Sachar, A. Walfish, 2006 Antibiotic Associated Colitis, The Merck Manual of Medical Information- Home Edition. Whitehouse Station, New Jersey: Merck Research Libraries.

A.D. Min, A. Walfish  H.C. Bodenheimer, Jr. “Hepatitis B vaccination.“ Current Hepatitis Reports. Volume 5, Issue 2: May 2006.

Abstracts

C. Catalano, RA. Ching Companioni, M. Tiba, P. Khankhanian, A. Walfish. “Is Small Bowel Preparation for Video Capsule Endoscopy (VCE) Necessary? A Single-center Retrospective Study.” Endoscopy. Am J Gastroenterol. 2015;110 Suppl 1:S628-84.

RA. Ching Companioni, UM. Syed, C. Catalano, M. Tiba, L. Sidhu, C Tomaino, A. Walfish, Bansal R. “Diverticulitis in the Young Population: Reconsidering Conventional Recommendations.” Colon. Am J Gastroenterol. 2015;110 Suppl 1:S550-95.

Al-Khazraji A, Tiba M, Syed M, Ching Companioni RA, Aron J, A. Walfish, Anyadike N, Khankhanian P, Sahota C. “Factors Determining Diagnostic Yield of Wireless Capsule Endoscopy.” Outcomes Research. Am J Gastroenterol. 2015;110 Suppl 1:S919-83.

N. Vyas, RA. Ching Companioni, A. Walfish, J. Baum, H. Alkhawam, M. Tiba. “Association between Vitamin D and Gastric Cancer.” Stomach. Am J Gastroenterol. 2015;110 Suppl 1:S1014-40.

I. Patel, RA. Ching Companioni, L. Sidhu, N. Kello, Y. Liu, I. Rajnish, R. Bansal, A. Walfish, Aron J. “Acute Hepatitis E Presenting as Autoimmune Hepatitis.” Clinical Vignettes/Case Reports – Biliary/Pancreas. Am J Gastroenterol. 2015;110 Suppl 1:S40-S550.

C. Catalano, RA. Ching Companioni, M. Tiba, L Sidhu, A. Walfish. “Barium Impaction: A Rare Cause of Bowel Obstruction.” Clinical Vignettes/Case Reports – Biliary/Pancreas. Am J Gastroenterol. 2015;110 Suppl 1:S40-S550.

C. Catalano, RA. Ching Companioni, A. Walfish. “Nutmeg Liver: A Radiographic Manifestation of Non-cirrhotic Portal Hypertension Presenting as Chronic Abdominal Pain.” Clinical Vignettes/Case Reports – Biliary/Pancreas. Am J Gastroenterol. 2015;110 Suppl 1:S40-S550.

I. Salehi, S. Patel M. Tiba, J. Aron, A. Walfish. “Mesalamine- induced Cardiogenic Shock in an Ulcerative Colitis Patient” Clinical Vignettes/Case Reports –IBD. Am J Gastroenterol. 2015;110 Suppl 1:S40-S550.

N. Vyas, RA. Ching Companioni, A. Walfish, J. Baum. “Silent but Deadly Cytomegalovirus Triggering Autoimmune Hepatitis.” Clinical Vignettes/Case Reports – Biliary/Pancreas. Am J Gastroenterol. 2015;110 Suppl 1:S40-S550.

I. Patel, M. Tiba, RA. Ching Companioni, C. Tomaino, A. Walfish, Aron J, N. Anyadike. “Good History and High Suspicion of Gastric Volvulus in Patient with known Hiatal Hernia Are Key to Better Outcomes.” Clinical Vignettes/Case Reports – Biliary/Pancreas. Am J Gastroenterol. 2015;110 Suppl 1:S40-S550.

I. Salehi, S. Patel M. Tiba, J. Aron, A. Walfish. “Improving Quality of Health Maintenance Provision for Inflammatory Bowel Disease Patients”. Clinical Vignettes/Case Reports –Functional Bowel Disease -IBD. Am J Gastroenterol. 2015;110 Suppl 1:S40-S550.

R. Bansal, G. Singhvi, R. Shah, D. Gandhi, J. Baum, I. Rajnish, J. Aron, A. Walfish. “Assessment of Potential Cost Savings in Gall Stone Pnacreatitis.” Gastroenterology, 2014;146:5 Supplement 1, s880.

S. Patel, R. Bansal. A. Walfish. “Distribution and Histopathology of colorectal polyps in the Asian population in the United States.” J Clin Oncol 32, 2014 S3; A436.

R. Bansal, A. Walfish. “Gastric Cancer in Young Patients : Demographic and Clinicopathological Features in a Culturally diverse immigrant population.” Am J Gastroenterol. 2012 107: S41-S66.

V. Trivedi, J. Aron, A.Walfish.  “A Unique Case of Autoimmune Hepatitis Developing in a Patient with Kikuchi-Fujmoto’s Disease” Am J Gastroenterol. 2011: 106 S286.

V. Trivedi, J. Xie, L. Sidhu, Tomaino, C. Kaur, T. Leytin, A. Amipara, A. Walfish, V. “Differentiating Intestinal Tuberculosis from Crohn’s Disease in a Culturally Diverse Population: A Diagnostic Challenge” Am J Gastroenterol. 2011: 106 S434

R. Bansal, S. Banerjee, A. Walfish, J. Baum, V. Gumaste.  “Gallstone Disease presenting with complex fistula.”  Am J Gastroenterol. 2010; 105:S150–S388.

K. Bhamidimarri, M. Chauhan, J. Baum, A.Walfish.  “Colonoscopic Diagnosis of Polypoid Endometriosis in the Sigmoid Colon.” Am J Gastroenterol. 2010: 105 S314.

V. Trivedi, S. Banerjee, R. Peter, A. Walfish, V. Gumaste, A. Leytin “Diarrhea Due to Ileo-colonic Leukemic Infiltration.” Am J Gastroenterol. 2010: 105 S223.

S. Banerjee, R. Bansal, A. Walfish, “Esophageal Intramural Pseudodiverticulosis: A case report and review of the Literature.”  Am J Gastroenterol. 2009: 104 S203.

K. Bhamidimarri, V. Gumaste, A.Walfish. “Comparison of Outcomes of Endoscopic Management of Gastrointestinal Foreign Bodies Among Prison Inmates to That of the General Population – A New York City Hospital Experience”  Gastrointestinal Endoscopy, 2009; 69(5) AB321.

C. Mehta, R. Bansal, R. Brunner, A.Walfish.  “Endoscopic Removal of a Unique Giant Foreign Body” Am J Gastroenterol. 2009: 104 S369.

S. Banerjee, A. Walfish, V. Gumaste, M. Angelova “Rapidly growing large B-cell lymphoma of the colon” Am J Gastroenterol. 2008: 103 S254.

J. Hyun, L. Schwartz, A.Walfish. “UGI bleeding secondary to Pseudoxanthoma Elasticum”. Am J Gastroenterol. 2007: 102 S369.

A. Gingold, D. Stupak, A. Walfish, B. Bernstein, MD “Diabetes Management Prior to Endoscopy.”  Am J Gastroenterol. 2006: 101 (s2), S500.

A. Walfish, S. Augello, P. Suwandhi, A. Gingold, A. Min. “Findings on Screening Colonoscopy of Patients 75 years old and Above Compared with Patients between Age 65 and 75.”  Am J Gastroenterol. 2005: 100 (s9), S384.

T. Johnson, P. Suwandhi, M. Lieberman, A. Walfish, K.  Gopal, D. Kryszak, A. Fasano, D. Clain, D. Meyer, H. Bodenheimer, Jr, P. Brar, R. Brown, P. Green  A.  Min “Prevalence of Celiac Disease in Patients with Hepatitis C Virus in Manhattan” Am J Gastroenterol. 2005; 100 (s9), S94-95.

G. Narasimhan, A. Walfish, T. Johnson, K. Gopal, P. Suwandhi , D. Labowitz, A. Gingold, N. Theise, D. Clain, H. Bodenheimer, A. Min “Recent Trends in biopsy and treatment rates in patients with chronic  genotype 2 or 3 Hepatitis C infection”  Am J Gastroenterol. 2005; 100 (s9), S105.

A. Walfish, B. Danesh , S. Augello, G. Narasimhan, P Suwandhi , C. Bang, A. Min, “Practice Patterns and Outcomes of Simultaneous Upper and Lower Endoscopy”  Gastrointestinal Endoscopy, 2005; 61(5) pAB157.

B. Danesh, J. Kim, D. Labowitz, A. Davatgarzadeh, P. Suwandhi, A. Walfish, I. Grosman, D. Clain, H. Bodenheimer, and A. Min. “Accuracy of APRI in predicting significant hepatic fibrosis and cirrhosis in patients with chronic hepatitis C and HIV co-infection.” Gastroenterology, 2005; 128:4, Supplement 2: (A) M1219

K. Gopal, T. Johnson, S.  Gopal, A. Walfish, C. Bang, P. Suwandhi , N Pena, D. Clain, H. Bodenheimer Jr, A. Min. “Correlation between lipid profile and outcome of hepatitis C treatment”. Gastroenterology, 2005; 128:4, Supplement 2: (A) S1545

P. Audia , A. Sheikh, A. Walfish,  R. Amerling, Y Chang , A. Fleckman, “Calciphylaxis Without Renal Failure in the Setting of Hyperparathyroidism”. Endocr Pract. 2003; 9 Supplement 1 (A)52

A. Walfish, A Sapadin, “Gastrointestinal manifestations of Pseudoxanthoma Elasticum”, National Assoc. for Pseudoxanthoma Elasticum, 01/1998 Volume: 6, Issue 3.