Physicians

Our USC Digestive Health Center team of specialists provides state-of-the-art diagnoses, management and treatment for the full spectrum of disorders of the esophagus, stomach, gallbladder, pancreas, liver, intestines, colon, rectum and anus. Whenever possible, our experts choose minimally invasive or non-surgical options to minimize complications and reduce your recovery time. A sampling of the disorders we treat and procedures in which we specialize include:

Bariatric Surgery
Barrett’s Esophagus
Capsule Endoscopy
Cirrhosis
Colitis
Colon Cancer
Complex Polyectomy
Crohn’s Disease
Defecatory Dysfunction
Endoscopic Mucosal Resection (EMR)
Endoscopic Retrograde Cholangio Pancreatography (ERCP)
Endoscopic Ultrasound (UES)
Esophageal Cancer
Fatty Liver
Gallbladder Disease
Gastro Esophageal Reflux Disease (GERD)

Gastric Cancer
Gastro Paresis
Hemorrhoids
Ileal Pouch
Incontinence
Inflammatory Bowel Disease
Liver Cancer
Liver Transplantation (conventional, living-donor, transfusion-free)
Nonalcoholic Steatohepatitis (NASH)
Pancreatic Cancer
Pancreatitis
Polyposis
Radiofrequency Ablation
Rectal Prolapse
Small Bowel Bleeding
Sphincter-sparing and Re-operative Procedures for the Rectum and Colon

Our Physicians

Afsaneh Barzi, MD, PhD

Appointment Request

Practicing Locations

Keck Medicine of USC - Pasadena

Shelly X. Bian, MD

Appointment Request

Specializing In

Radiation Oncology

Nikolai A. Bildzukewicz, MD

Appointment Request

Practicing Locations

Keck Hospital of USC
USC Healthcare Center 4
USC Verdugo Hills Hospital

James L. Buxbaum, MD

Appointment Request

Practicing Locations

Keck Hospital of USC
USC Healthcare Center 2

Kyle G. Cologne, MD, FACS, FASCRS

Appointment Request

Practicing Locations

Keck Hospital of USC
Keck Medicine of USC - Pasadena
Keck Medicine of USC – Glendale
LAC+USC Medical Center
USC Healthcare Center 4
USC Norris Comprehensive Cancer Center and Hospital

Specializing In

Colorectal Surgery
Anal Fissure
Anorectal Diseases
Colon, Rectal, and Anal Cancer
Colonoscopy
Crohn's Disease
Diverticulitis
Endoscopic Polyp Removal
Familial adenomatous polyposis (FAP)
Fistula
Hemorrhoids
Hereditary Polyposis Syndromes
Inflammatory Bowel Disease
Laparoscopic Colon Surgery
Minimally Invasive Colon Surgery
Pilondial Disease
Pouch Surgery
Transanal Polyp Excision of Rectal Masses (TEMS/TAMIS)
Ulcerative Colitis

Adrian Dobrowolsky, MD

Appointment Request

Anthony B. El-Khoueiry, MD

Appointment Request

Practicing Locations

USC Norris Comprehensive Cancer Center and Hospital

Yuri Genyk, MD

Appointment Request

Practicing Locations

USC Healthcare Center 4

Kurt Hong, MD, PhD, FACN

Appointment Request

Practicing Locations

Faculty/Staff Health Clinic at USC Engemann Student Health Center
Keck Medicine of USC - Pasadena
USC Healthcare Center 2

Caroline Hwang, MD

Appointment Request

Practicing Locations

Keck Hospital of USC
USC Healthcare Center 2

Andrew Ippoliti, MD

Appointment Request

Practicing Locations

Keck Medicine of USC - Beverly Hills
USC Healthcare Center 2

Syma Iqbal, MD

Appointment Request

Practicing Locations

USC Norris Comprehensive Cancer Center and Hospital

Jeffrey A. Kahn, MD

Appointment Request

Practicing Locations

Keck Hospital of USC
USC Healthcare Center 2

Andreas M. Kaiser, MD, FACS, FASCRS

Appointment Request

Practicing Locations

Keck Hospital of USC
USC Healthcare Center 4
USC Norris Comprehensive Cancer Center and Hospital

Specializing In

Colorectal Surgery
Anal Fissure
Anal Manometry
Anorectal Diseases
Colon, Rectal, and Anal Cancer
Colonoscopy
Continent Ileostomy
Crohn's Disease
Diverticulitis
Endoscopic Polyp Removal
Familial adenomatous polyposis (FAP)
Fecal Incontinence
Fistula
Hemorrhoids
Hereditary Polyposis Syndromes
HIPEC
Inflammatory Bowel Disease
Laparoscopic Colon Surgery
Minimally Invasive Colon Surgery
Pilondial Disease
Pouch Surgery
Sacral Nerve Stimulation
Transanal Polyp Excision of Rectal Masses (TEMS/TAMIS)
Ulcerative Colitis

Namir Katkhouda, MD

Appointment Request

Practicing Locations

USC Healthcare Center 4
USC Verdugo Hills Hospital

Saro Khemichian, MD

Appointment Request

Practicing Locations

Keck Hospital of USC
USC Healthcare Center 2

Michael M. Kline, MD

Appointment Request

Practicing Locations

Keck Hospital of USC
USC Healthcare Center 2

Heinz-Josef Lenz, MD

Appointment Request

Practicing Locations

USC Norris Comprehensive Cancer Center and Hospital

John C. Lipham, MD

Appointment Request

Practicing Locations

Keck Hospital of USC
USC Healthcare Center 4

Dilip Parekh, MD

Appointment Request

Practicing Locations

Keck Hospital of USC
Keck Medicine of USC - Pasadena
USC Healthcare Center 4

Omar Ragab, MD

Appointment Request

Practicing Locations

Keck Hospital of USC
LAC+USC Medical Center
USC Norris Comprehensive Cancer Center and Hospital

Ara Sahakian, MD

Appointment Request

Practicing Locations

Keck Hospital of USC
USC Healthcare Center 2

Kamran Samakar, MD, MA

Appointment Request

Practicing Locations

Keck Medicine of USC – Glendale
LAC+USC Medical Center
USC Healthcare Center 4
USC Verdugo Hills Hospital

Kulmeet Sandhu, MD

Appointment Request

Practicing Locations

Keck Hospital of USC
Keck Medicine of USC – Glendale
USC Healthcare Center 4
USC Surgery - Glendale
USC Verdugo Hills Hospital

Robert R. Selby, MD

Appointment Request

Practicing Locations

Keck Medicine of USC - Pasadena
USC Healthcare Center 4

Anisa Shaker, MD

Appointment Request

Practicing Locations

Keck Hospital of USC
USC Healthcare Center 2

Sarah Sheibani, MD

Appointment Request

Practicing Locations

Keck Hospital of USC
USC Healthcare Center 2

Edy Soffer, MD

Appointment Request

Practicing Locations

Keck Hospital of USC
USC Healthcare Center 2

Maria Stapfer, MD

Appointment Request

Practicing Locations

USC Healthcare Center 1

Jacques Van Dam, MD, PhD

Appointment Request

Practicing Locations

Keck Hospital of USC
USC Healthcare Center 2