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Joined Kelsey-Seybold

June 2016

Accepting New Patients?


​​​​​Professional Backgr​ound 

Dr. Mittal graduated from medical school in December 2000 and subsequently completed an Internal Medicine residency at the Postgraduate Institute of Medical Education and Research in Chandigarh, India. He pursued further training in the United States with a residency and fellowship at The University of Texas Medical Branch, Galveston. He also received his Master’s degree in Clinical Science in clinical research. Before joining Kelsey-Seybold, Dr. Mittal served as an Assistant Professor at Baylor College of Medicine in the field of Gastroenterology and Hepatology from 2012-2016.

Professional Associ​​ations 

Dr. Mittal is a member of the American Gastroenterology Association (AGA), the American Porphyria Foundation and the American College of Gastroenterology. He serves on the editorial board of “Clinical Gastroenterology and Hepatology.”​​

​Life is about choices - and so is healthcare. My job is to help patients decide what is best for them using my expertise and their beliefs.​


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Awards & Recognitions

  • ACG Clinical Research Award, 2014
  • Comparative Effectiveness Research on Cancer in Texas (CERCIT) Scholar
  • ACG Travel Award, 2011
  • Herzog Scholarship Award, 2009
  • ACP Texas Chapter Travel grant, 2008
  • AGA Travel Grant of outcomes research workshop, 2007​


  • Mittal S, Sada YH, El-Serag HB, Kanwal F, Duan Z, Temple S, May SB, Kramer JR, Richardson PA, Davila JA. “Temporal trends of nonalcoholic fatty liver disease-related hepatocellular carcinoma in the veteran affairs population.” Clin Gastroenterol Hepatol. 2015 Mar;13(3):594-601.
  • Khalaf N, Mittal S. “Hepatic portal venous gas: an ominous sign of mesenteric ischemia.” Clin Gastroenterol Hepatol. 2014 Jun;12(6).
  • Mittal S, Lin YL, Tan A, Kuo YF, El-Serag HB, Goodwin JS. “Limited Life Expectancy Among a Subgroup of Medicare Beneficiaries Receiving Screening Colonoscopies.” Clin Gastroenterol Hepatol. 2014 Mar;12(3):443-450.
  • Raza Ali, Mittal S, Sood G. “Interferon-associated retinopathy during the treatment of chronic hepatitis C: a systematic review.” Journal of Viral Hepatitis. 2013 Sep;20(9):593-9.
  • Mittal, Sahil, El-Serag HB. “Epidemiology of Hepatocellular Carcinoma: Consider the Population.” J Clin Gastroenterol. 2013 Jul;47 Suppl:S2-6.
  • Sagi SV, Mittal Sahil, Kasturi KS, Sood GK. “Terlipressin therapy for reversal of type 1 Hepatorenal syndrome: A metaanalysis of randomized controlled trials.” J Gastroenterol Hepatol. 2010 May; 25(5): 880-5.
  • Mittal Sahil. “The Boston bowel preparation scale: Reliable not only for colonoscopy-oriented research but clinical practice also.” Gastrointest Endosc. 2010 Jan; 71(1):221.
  • Mittal Sahil, Mifflin R, Powell DW. “Cancer stem cells: The other face of Janus.” Am J Med Sci. 2009 Aug; 338(2): 107-12.
  • Mittal Sahil, Sagi SV, and Hawari R. “Strongyloidiasis: Endoscopic diagnosis.” Clin Gastroenterol Hepatol. 2009 Feb; 7(2): e8.
  • Xu G, Shenoy M, Winston JW, Mittal Sahil, Pasricha PJ. “P2X receptor-mediated visceral Hyperalgesia in a rat model of chronic visceral hypersensitivity.” Gut. 2008 Sep; 57(9):1230-7.
  • Dutta U, Mittal Sahil, Ratho RK, “Das A. infection.”  Indian J Gastroenterol. 2005 May-Jun; 24(3): 118-9.

Online Chap​​​ters

  • Mittal Sahil, Hawari Rami, Raju GS. “Esophageal papilloma – Review of Literature.” Dave Project.​
  • Mittal, Sahil. Anderson, Karl. “Erythropoietic Protoporphyria.” Up to date​