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Physician Profile

John Kasher, MD, FACP, FACG

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(818) 845-3773

Recent News

inSite Digestive Health Care is proud to announce its newest location in Lancaster, CA with Dr. Jatinder Pruthi!

About Dr. John Kasher

Dr. John Kasher completed his undergraduate training at UCLA where he graduated with Cum Laude honors. He moved to Boston and received his MD degree from Boston University School of Medicine. Dr. Kasher then continued his training at the UCLA-Olive View Internal Medicine Residency program where he completed internship and residency training and became Board Certified in Internal Medicine. He subsequently attended the University of Arizona for fellowship and received further subspecialty education in areas of gastroenterology, hepatology, and endoscopy – including training in advanced endoscopic procedures such as EUS and ERCP.

He became Board Certified in Gastroenterology following his completion of fellowship training in 2009. Dr. Kasher has received several awards and recognition for his scholastic achievements including being recognized as a Fellow of American College of Gastroenterology as well as a Fellow of American College of Physicians. He has had several publications and has given presentations at regional and national physician meetings. His contribution was recognized with a “Best Clinical Presentation” award for his talk at the American College of Physicians national conference. His humanistic attributes were recognized with a nomination for the “Most Humanistic Intern” award during his internship training.

Treatment Philosophy

To treat each individual with utmost respect and dignity. To provide patient-centered care with compassion and with emphasis on patient education and informed decision making. To practice the art and science of medicine with providing most effective treatments with emphasis on health maintenance and prevention.

Specialties and Services

Evaluation and treatment of gastrointestinal, liver, pancreas and bile duct disorders.

Screening and evaluation of gastrointestinal cancers.

Upper endoscopy

Colonoscopy including screening colonoscopies and removal of polyps.

Small bowel evaluation, enteroscopy and capsule endoscopy.

Feeding tube placements, management and exchanges including PEG tubes and Gastrojejunostomy tubes.

Diagnostic and therapeutic endoscopic retrograde cholangiopancreatography (ERCP) including management of bile duct stones, cancers and strictures.


Endoscopic Ultrasound (EUS) evaluation of intestinal and pancreato-biliary tumors and other relevant conditions including fine needle aspiration.

Therapeutic endoscopic procedures such as removal of foreign bodies/ management of GI bleeding/ dilation of strictures/ stent placement.

Advanced endoscopic procedures including endoscopic mucosal resection of superficial intestinal lesions/ radiofrequency ablation.

Professional Affiliations

American College of Physicians (ACP; Fellowship FACP status)

American College of Gastroenterology (ACG; Fellowship FACG status)

American Society for Gastrointestinal Endoscopy (ASGE membership)

Massachusetts Medical Society (membership)

Active medical staff at Providence Saint Joseph hospital

Professional Publications and Presentations

Kasher JA, Corasanti JG, Tarnasky PR, McHenry L, Fogel E, Cunningham J. A multicenter analysis of safety and outcome of removal of a fully covered self-expandable metal stent during endoscopic retrograde cholangiopancreatography. Gastrointestinal Endoscopy. 2011 Jun;73(6):1292-7.

Kasher JA, Chuang K, Cunningham J, Boyer T. An Uncommon Cause for a Common Scenario: A Case of Hematochezia Caused by a Massive Cavernous Hemangioma. Gastroenterology and Hepatology. August 2009; 5(8): 560-562.

Miller S, Gasiorowska A, Kasher JA, Fass R. An Ulcer Negative for Helicobacter pylori and Nonsteroidal Anti-Inflammatory Drugs? Consider Herbal Treatment as a Culprit! Clinical Journal of
Gastroenterology. August 2009; 2(4): 266-267.

Leon LR, Mills JL, Psalms SB, Kasher J, Kim J, Ihnat DM. Aortic paraprosthetic-colonic fistulae: A
review of the literature. European Journal of Vascular and Endovascular Surgery. Dec 2007; 34(6): 682-92.

Kasher JA and Mathisen G. Acquiring Tetanus After Hemorrhoid Banding and Other Gastrointestinal Procedures. J Gastrointest Surg. April 2007; 11(4): 515–519.

Kasher JA, El-Bialy A, Balingit PP. Aortic Dissection: A dreaded Disease with Many Faces. Journal of Cardiovascular Pharmacology and Therapeutics. October 2004; 9(3): 211-218.

CME lecture: “Colorectal Cancer Screening”. October 2, 2014. Providence Saint Joseph Hospital. Burbank, CA.

CME lecture: “ The Role of EUS and ERCP in Diagnosis and Management of Pancreas Cancer”. October 2, 2012. Providence Saint Joseph Hospital. Burbank, CA.

CME lecture: “Indications for Albumin in Hepatology”. February 8, 2010. Valley Presbyterian Hospital, Van Nuys, CA.

Digestive Disease Week National Conference 2009. Chicago, IL. June, 3 2009: “A multicenter analysis of safety and outcome of removal of covered self-expandable metal stents (CSEMS) during Endoscopic Retrograde CholangioPancreatography (ERCP).”

American College of Physicians National Conference 2006. Philadelphia, Pennsylvania, April 2006. (Winner best clinical presentation): “An Ancient Disease in a New Era: A Forgotten Case of Tetanus.”

Society General Internal Medicine National Conference 2004; Chicago, IL. May 2004: “Hepatic Sarcoidosis.”

Office Location

Digestive Health Consultants
201 S. Buena Vista St., Suite 410
Burbank, CA 91505
Phone: (818) 845-3773