Gastroenterology Hepatology Expert Witness

Provides Opinion & Testimony In:

Gastroenterology, Hepatology, Endoscopy, Colonoscopy, Acid Reflux, Abdominal Pain, Hemorroids, Perforation, Colon Cancer, Delayed Diagnosis, Board Certified


Gastroenterology Solo Practice-
Los Angeles Gastroenterology Clinic

Gastroenterology Group Practice- Hertz, Frankel, Katkov, Wishingrad

Fellowship in Gastroenterology LAC-USC Medical Center Keck School of Medicine- USC
Division of Gastroenterology and Hepatology

Cedars-Sinai Medical Center Internship/Residency Internal Medicine

University of California, Irvine College of Medicine
Medical Doctorate


University of California, Los Angeles Bachelor of Arts- Anthropology Bachelor of Science- Biology

Cum Lade
Honors and Awards:

UCLA Alumni Association Distinguished Scholar of the Year, 1993
UCLA College of Honors, Letters and Science
Department Honors in Anthropology

Professional Background

UCAL Flying Samaritans-
A volunteer organization providing medical care to remote Mexican villages.
1997-2000 Member
1994-1997 Graduate Student Liaison
1991-1993 President
1990-1991 Vice-President and Co-Founder

Society Memberships

Local: Southern California Society of Gastroenterology (SCSG)

National: American College of Gastroenterology (ACG)
American Gastroenterology Association (AGA)

Research Activities

The Effects of Creatine Supplemenation in the Stable Cirrhotic Patient.
Runyon, BA; Shamski, SR, (2001-present)
Central Effects of Corticotropin Releasing Factor in Small Intestine Motility in Rats. Lin HC; Shamsi, SR (1998-1999)

Medical School:
The Efficacy of Image Analysis for Diagnosis of Molar Gestations
Monk, B; Burger, R; Cosin, J; Shamsi, SR (1995-1996)

Immunohistochemical Analysis and Activity of NK Cells in Cervical Carcinoma. Burker, R; Monk, B; Di Saia, PJ; Lin, Shamsi, SR. (1994-1995)

Menstral Synchrony: A Quantitative Analysis.
Senior Honors’ Thesis for the college of Letter and Science, UCLA
Research director, N. Peacock, Ph.D. (1990-1992)
Published: UCLA Undergraduate Science Journal (1993)