Rimma Shaposhnikov, MD

Rimma Shaposhnikov, MD

Average rating: 4.9
(255 ratings)  
Accepting new patients
Primary Location
Thousand Oaks Digestive Diseases
248 Hampshire Road
Suite 200
Thousand Oaks, California 91361


Dr. Shaposhnikov completed her undergraduate work at Yale University, earning a bachelor of science in molecular biochemistry. She obtained her medical degree from State University of New York at Buffalo. During that time, Dr. Shaposhnikov was one of six people selected by the Centers for Disease Control and Prevention (CDC) to investigate an outbreak of hepatitis B in Brazil. Her training in internal medicine and subsequently gastroenterology was done at LAC+USC. Her research centered on UGI bleeding, as well as molecular markers found in colon polyps. After completing fellowship, Dr. Shaposhnikov joined a multi-specialty group in the San Fernando Valley. During her tenure there, she established an esophageal lab at Providence St. Joseph’s Medical Center to address and evaluate esophageal disorders and to provide esophageal manometry testing.

Dr. Shaposhnikov joined UCLA in 2012 and spearheaded the opening of GI practices in Westlake Village and Thousand Oaks. She is the co-director of UCLA northwest (Westlake, Thousand Oaks, and West Hills). In addition, she is a director of the newly established UCLA Surgical Center in West Hills and will also be the director of the UCLA Surgical Center in Westlake Village starting in 2023.  She practices general gastroenterology in all its aspects, with particular interests in inflammatory bowel disease, esophageal disorders, irritable bowel syndrome and colon cancer screening. She is board certified in internal medicine and gastroenterology. She is a member of the American College of Gastroenterology and the American Gastroenterology Association.


English, Spanish, Russian


Medical Board Certification

Gastroenterology, American Board of Internal Medicine, 2018


Gastroenterology, LAC + USC Medical Center, 2007


Internal Medicine, LAC + USC Medical Center, 2004


Internal Medicine, LAC + USC Medical Center, 2002


MD, University at Buffalo Jacobs School of Medicine, 2001

Hospital Affiliations

Ronald Reagan UCLA Medical Center

Areas of Focus

General gi


Colon Cancer Prevention and Screening Update
Anorectal Disorders
The Role of High Resolution Esophageal Manometry in Your Practice