Our Practice
Licensure
- California
1991 to current
Awards & Honors
- Physician of Excellence
Orange County Medical Association, CA
2015, 2016, 2017 - Spirit of Volunteerism Award - 2016
"One OC"/"Access OC" - A Medical Non-Profit Organization - Glaxo Fellow’s Award
Digestive Disease Week
American Gastroenterological Association
New Orleans, Louisiana - McNeil Award for Outstanding Resident Abstract
Department of Medicine
East Carolina University School of Medicine - Best Research Poster Award
American College of Physicians, North Carolina Chapter
Publications
Original Articles
- Chaurasia OP, Marcuard SP, Seidel ER. Insulin-like growth factor I in human gastrointestinal exocrine secretions. Regulatory Peptides 50:113-119, 1994.
- Chaurasia OP, Chang KJ. A novel technique for percutaneous endoscopic gastrojejunostomy tube placement. Gastrointest Endosc 42:165-168, 1995.
- Irwin FL Jr, Sarfeh IJ, Tanoue K, Chaurasia OP, Tarnawski A. The role of extracellular matrix in injury to gastric mucosa by indomethacin. J Clin Gastroenterol 21 Suppl 1:S18-23, 1995.
- Chaurasia OP, Rauws EAJ, Fockens P, Huibregtse K. Endoscopic techniques for retrieval of proximally migrated biliary stents: the Amsterdam experience. Gastrointest Endosc 50:780-785, 1999.
- Shankar U, Prasad M, Chaurasia OP. A rare case of langerhans cell histiocytosis of the gastrointestinal tract. World J Gastro enterol 2012; 18(12): 1410-1413.
Letters To The Editor
- Chaurasia OP. Percutaneous Endoscopic Gastro-jejunostomy tube placement. Gastrointest Endosc 47:433-434, 1998.
Abstracts
- Chaurasia OP, Marcuard SP, Pennington SN, Seidel ER. Characterization of Insulin-like Growth Factor I (IGF-I) in Human pancreatic juice and regulation of its secretion by secretin. Gastroenterology 100:A517, 1991.
- Chaurasia OP, Marcuard SP. Phenytoin and Histamine H2 receptor antagonist interaction: Clinical significance. Gastroenterology 100:A41, 1991.
- Chaurasia OP, Marcuard SP, Seidel ER. Absence of Insulin-like Growth Factor I (IGF-I) binding protein in Human exocrine secretions. Gastroenterology 102:A725, 1992.
- Chaurasia OP, Wyle FA, Horansky E, Tarnawski A. Helicobacter pylori cytotoxin inhibits expression of proliferating cell nuclear antigen (PCNA) in cultured gastric cells (KATO III). Gastroenterology 106:A663, 1994.
- Chang K, Chaurasia OP, Albers CG, Wuerker R. Endoscopic ultrasound guided fine needle aspiration (FNA) in the evaluation of extrinsic lesions adjacent to the lower gastrointestinal tract. Gastrointest Endosc 40:P61, 1994.
- Chaurasia OP, Wyle FA, Domek MJ, Knudsen K, Mehrabian H, Tarnawski A. Expression of ICAM-1 in cultured gastric cells (KATO III) and its upregulation by TNF-a: Flow cytometric and Northern blot analyses. Gastroenterology 108:A795, 1995.
- Chang K, Chaurasia OP, Albers CG, Wuerker R. Endoscopic ultrasound guided fine needle aspiration (FNA) in the evaluation of extrinsic lesions adjacent to the lower gastrointestinal tract. Gastrointest Endosc 40:P61, 1994.
- Chaurasia OP, Wyle FA, Domek MJ, Knudsen K, Mehrabian H, Tarnawski A. Expression of ICAM-1 in cultured gastric cells (KATO III) and its upregulation by TNF-a: Flow cytometric and Northern blot analyses. Gastroenterology 108:A795, 1995.
- Chang KJ, Erickson RA, Chaurasia OP. Preparing for ERSCP (Endo-Radio-Sono CholangioPancreatography); Training the pancreatico-biliary endoscopist in EUS. Gastrointest Endosc 41:318, 1995.
- Albers CG, Chaurasia OP. Hepatic amyloidosis mimicking intrahepatic sclerosing cholangitis on ERCP. Am J Gastroenterol 90:1669, 1995.
- Chang KJ, Amin AN, Chaurasia OP, Lin RS. A novel “thin scope” technique for percutaneous endoscopic gastrojejunostomy (PEGJ) tube placement. Gastrointest Endosc 43:349, 1996.
- Shankar, U, Prasad, M, Chaurasia, OP. A Rare Case of Langerhans Cell Histiocytosis of the
- Gastrointestinal Tract: World J Gastroenterol 2012 March 28; 18(12): 1410-1413.
- Prasad, M, Shankar, U, Chaurasia, OP. Mantle Cell Lymphoma Presenting As Multiple Colonic Polyp: Case Report and Review of the Literature. Am J Gastroenterol 106: S316; doi:10.1038/ajg.2011.336-7.
Presentations
International
- 10th World Congress of Gastroenterology, Los Angeles 1994. Poster presentation. "In vitro inhibition of the S-phase proliferating cell nuclear antigen by Helicobacter pylori cytotoxin: A flow cytometric analysis".
- 10th World Congress of Gastroenterology, Los Angeles 1994. Poster presentation. "Endoscopic ultrasound guided Fine Needle Aspiration in the evaluation of extrinsic lesions adjacent to the lower gastrointestinal tract".
National
- 92nd Meeting of the American Gastroenterological Association, New Orleans, Louisiana, May 19-22, 1991. Poster presentation: "Characterization of Insulin-like Growth Factor I (IGF-I) in human pancreatic juice and regulation of its secretion by secretin".
- 93rd Meeting of the American Gastroenterological Association, San Francisco, California, May 10-13, 1992. Poster presentation: "Absence of Insulin-like Growth Factor I (IGF-I) binding protein in human gastrointestinal secretions”.
- 95th Meeting of the American Gastroenterological Association, New Orleans, Louisiana, May 15-18, 1994. Poster presentation: "Helicobacter pylori cytotoxin inhibits expression of proliferating cell nuclear antigen (PCNA) in cultured gastric cells (KATO III)".
- Experimental Biology 95TM (FASEB), Atlanta, Georgia, April 9-13, 1995. Oral presentation at a Symposium on Helicobacter pylori and gastroduodenal ulcer disease: "Overview of pathogenesis of Helicobacter pylori-associated peptic ulcer disease".
State
- Scientific meeting of the American College of Physicians, North Carolina Chapter, Raleigh, NC, February 22-24, 1991. Poster presentation: "In vivo secretin stimulation of Insulin-like Growth Factor I from human pancreas".
- Scientific meeting of the American College of Physicians, North Carolina Chapter, Raleigh, NC, February 21-23, 1992. "Sunday School" - Chief Residents' Oral Case Presentation: "Eosinophilic pneumonia: A diagnostic dilemma".