Education & Training

Medical School

Aga Khan University Medical School


Internal Medicine

  • Rutgers New Jersey Medical School - Internal Medicine



  • Rutgers University - Newark


American Board of Internal Medicine
American Board of Internal Medicine/Gastroenterology


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Academic Information

Assistant Professor of Clinical Medicine
Chair, GI Quality and Safety Committee

Research Interests

  • Advanced Endoscopy
  • General Gastroenterology

Areas of Expertise

  • Endoscopic Retrograde Cholangiopancreatography (ERCP)
  • Endoscopic Ultrasound (EUS)
  • Endoscopic Ablation of Barrett’s Esophagus with Radiofrequency Ablation (RFA)
  • Single balloon assisted deep Enteroscopy
  • Luminal stenting
  • Upper Endoscopy and Colonoscopy

Awards & Honors

  • 2018: Video Abstract “Endoscopic Full Thickness Resection (EFTR) of an Inverted Appendix” chosen as Honorable Mention at Digestive Diseases Week 2017.
  • 2009: Distinguished House Staff Award. Rutgers – New Jersey Medical School, Newark, NJ.

Journal Editor/ Editorial Board Member

  • Gastroenterology and Hepatology International Journal
  • Journal of Medical Students
  • Journal of Academic Hospital Medicine
  • Gastroenterology, Liver & Pancreatic diseases
  • World Journal of Gastrointestinal Endoscopy
  • EC Gastroenterology and Digestive System

Journal Reviewer

  • Gastrointestinal Endoscopy
  • World Journal of Gastroenterology.
  • World Journal of Gastrointestinal Endoscopy.
  • World Journal of Methodology.
  • World Journal of Gastrointestinal Surgery
  • World Journal of Gastrointestinal Oncology
  • World Journal of Gastrointestinal Pathophysiology
  • Journal of Medical Students
  • EC Gastroenterology & Digestive System
  • Video GIE Journal


Peer Reviewed Publications

  • Rao S, Ashraf I, Mir F, Samiullah S, Ibdah JA, Tahan Dual infection with Hepatitis B and Epstein Barr Virus presenting with severe jaundice, coagulopathy and Hepatitis B virus chronicity outcome. American Journal of Case Reports: In Press
  • Chaudhary M, Bhurgri H, Samiullah S, Ahlawat All that glitters is not gold: Gastric Adenocarcinoma with medullary pattern presenting as submucosal lesion. Endoscopic Ultrasound: In Press
  • Samiullah, Bhurgri H, Sohail U. Eosinophilic Disorders of the Gastrointestinal Tract. Prim Care. 2016 Sep;43(3):495-504. PubMed PMID: 27545738.
  • Churrango G, Deutsch J, Dinneen H, Churrango J, Samiullah S, Ahlawat Minimizing radiation exposure during ERCP by avoiding live or continuous fluoroscopy . J Clin Gastroenterol. 2015 Nov-­‐Dec: 49 (10): e96 – e100 PMID:26191644
  • Okoronkwo, Samiullah S, Churrango G, Wang Multiple duodenal diverticula: A rare cause of massive upper gastrointestinal bleeding and hemodynamic instability. J Med Cases 2015. June (10): 444-­‐446
  • Samiullah S, Kim K, Yoon E, Wang What goes in should not always come out: Migration of a prosthetic mesocaval shunt via erosion through the duodenum. Gastrointest Endosc. 2015. May;81(5):1298-­‐9 PMID: 25864900
  • Bhurgri H, Samiullah S, Klein K, Ahlawat Chasing zebras: Large hyperplastic gastric polyp with inflammatory fibroid change. Gastrointest Endosc 2015. Apr;81 (4):1051-­‐2. PMID: 25805482
  • Samiullah S, Bhurgri H, Razvi R, Ahlawat “Salvaging a sticky situation”: a stuck PolyLoop. Gastrointest Endosc. 2014 Apr;79(4):695-­‐6. PMID: 24630088.
  • Bhurgri H, Samiullah S, Dave V, Lenza “Hard to swallow” Colon adenocarcinoma in esophagus. Gastrointest Endosc. 2014 Gastrointest Endosc. 2014 Apr;79(4):696-­‐8. PMID: 24630089
  • Samiullah S, Bhurgri H, Tufail M et Metastatic Gastric MALT lymphoma masquerading as pulmonary infiltrates with a dramatic response to chemotherapy. J Gastrointest Cancer. 2014 Dec;45 Suppl 1:151-­‐4 PMID:24699985
  • Samiullah S, Samad F, Tang YM et Double lumen esophagus: A rare complication of gastroesophageal reflux disease. Dig Endosc. 2014 Mar;26(2):282-­‐4. Epub 2013 Mar 5. PMID: 23461771. Cited by 5
  • Dinneen HS, Samiullah S, Lenza Cryptogenic organizing pneumonia: A rare extra-­‐intestinal manifestation of Crohn's disease. J Crohns Colitis. 2014 Feb;8(2):177-­‐8. Epub 2013 Oct 3. PMID: 24090908
  • Samiullah S, Dinneen HS, Klein KM, Demyen Endoscopic appearance of duodenal mucosa in GI leishmaniasis. Gastrointest Endosc. 2013 Dec; 78(6):962-­‐3. PMID: 24237951.

Book Chapters

  • 2016: “Eosinophilic Gastrointestinal Disorders”. Primary Care: Clinics in Office Publisher: ELSEVEIR

Scientific Presentations/Published Abstracts

  • American College of Gastroenterology Annual Scientific Meeting 2016: Abstracts published in American Journal of Gastroenterology October 2016 Volume 111: Supplementary
  • Mir F, Ashraf I, Tahan V, SamiullahAn infected duodenal peri-­‐ampullary diverticulum mimicking a pancreatic head
  • Sirish R, Ashraf I, Mir F, Samiullah, Ibdah JA, Tahan Dual infection with hepatitis B and Ebstein-­‐Barr virus presenting with severe jaundice, coagulopathy and hepatitis B virus chronicity outcome
  • American College of Gastroenterology Annual Scientific Meeting 2015: Abstracts published in American Journal of Gastroenterology October 2015 Volume 110: Supplementary
  • Churrango G, Deutsch J, Dineen H, Churrango J, Samiullah S, Ahlawat Fluoroscopic Technique in ERCP Matters More Than Experience for Radiation Exposure.
  • Babar A, Choudhary M, Churrango, Samiullah S, Wang Triple Lumen Esophagus
  • Choudhary M, Bhurgri H, Samiullah S, Galan M, Ahlawat All That Glitters Is Not Gold: Gastric Adenocarcinoma With Medullary Pattern Presenting as Submucosal Lesion
  • Bhurgri H, Samiullah S, Ahlawat Gastric Calcifying Fibrous Tumor Mimicking Gastro-­‐intestinal Stromal Tumor
  • Bhurgri H, Lenza C, Samiullah S, Arrigo R ,Vossough Hematemesis in a Patient With a Bariatric Intragastric Balloon
  • Churrango G, Churrango J, Samiullah S, Brelvi Diverticular Disease in a Transposed Colon
  • American College of Gastroenterology Annual Scientific Meeting 2014: Abstracts published in American Journal of Gastroenterology October 2014 Volume 109: Supplementary
  • Samiullah, Dineen S, Churrango G et Outcomes of unsuccessful ERCPs at a tertiary care center.
  • American College of Gastroenterology Annual Scientific Meeting 2013: Abstracts published in American Journal of Gastroenterology October 2013. Volume 108: Supplementary
  • Patel N, Ahuja N, Samiullah S, Samatha A Case of CMV hepatitis in a post liver transplant recipient presenting with tacrolimus toxicity.
  • Samiullah, Bhurgri H, Samad F et Gastric & Duodenal Pseudomelanois: A rare entity – Report of 5 cases.
  • Samiullah, Dinneen S, Marium et Endoscopic appearance of duodenum in GI leishmaniasis.
  • Samad F, Samiullah, Bhurgri H et Mediastinitis mimicking Esophageal Perforation after Esophageal Botulinum Toxin Injection.
  • Churrango J, Samiullah, Samad F et No Going Back: Noncirrhotic Portal Hypertension in HIV-­‐Infected Patient, 15 Years after Exposure to Didanosine.
  • Samiullah, Bhurgri H, Churrango J et Prevalence of prior Helicobacter Pylori infection in patients with delayed gastric emptying and functional dyspepsia.
  • Bhurgri H, Samiullah, Brelvi Gastric Reprogramming: Using Erythromycin as pulse treatment for gastroparesis.
  • Protopapas G, Samiullah, Klein Micropapillary Adenocarcinoma of the Colon: An Uncommon Variant and Location.
  • Bhurgri H, Kern J, SamiullahPrimary colorectal Non-­‐Hodgkin’s lymphoma in the setting of Ulcerative Colitis: a rare occurrence with an unusual presentation.
  • Okoronkwo N, Samiullah, Chauhan Rectal foreign body: A case of voluntary insertion of a perfume bottle after intoxication.
  • Dave V, Bhurgri H, Samiullah S et al Esophageal Metastasis from Colonic Adenocarcinoma: A Rare Occurrence Presenting As a Fungating Mass with Dysphagia