Our Team

Adult GI motility testing

Jeffrey L. Conklin, MD
Medical Director, Robert G. Kardashian Center for Esophageal Health
Director, GI Motility

Kevin Ghassemi, MD
Associate Director, Clinical Programs, Robert G. Kardashian Center for Esophageal Health

Craig Gluckman, MD
Gastroenterology & Motility Testing

Lisa D. Lin, MD, MS
Gastroenterology & Motility Testing

Pediatric GI motility testing

Jorge H. Vargas, MD
Pediatric GI Motility

GI motility testing care team

Sonia Divakaran, RN-BC, BSN

Michael Harris, RN

Obie Veloso, RN

Gastroenterologists for clinic visits

Our general gastroenterologists are located across Los Angeles county and are also available by telemedicine.

Interventional endoscopy - Advanced procedures for motility disorders

Alireza Sedarat, MD
Interventional Endoscopy
Per-Oral Endoscopic Myotomy (POEM)

Adarsh M. Thaker, MD
Interventional Endoscopy
Transoral Incisionless Fundoplication (TIF)

GI health psychologist, GI nutrition and GI integrative health & wellness

Christina T. Gentile, PsyD, MA, ABPP
Clinical Health Psychologist - Westwood

Nancee Jaffe, MS, RDN
Registered Dietitian - Westwood

Natalie Manitius, MPH, RDN
Registered Dietitian - Century City

Janelle Smith, MS, RDN, CEDRD
Registered Dietitian - Santa Monica

Suzanne Smith, MSN, NP, CMT-P
Integrative Health Practitioner - Westwood

Clinician scientists

Wael El-Nachef, MD, PhD

Elizabeth J. Videlock, MD, PhD