Our physicians are skilled in the evaluation and treatment of all aspects of digestive disorders and liver disease.  West GI's physicians are experts in the performance of endoscopic procedures.  

Nurse practitioners are available to evaluate and treat most varieties of urgent medical problems on an immediate basis, under the supervision of our physicians.  Her presence will enhance medical care but will not replace care provided by your physician. 

Click on the links for more information on our providers.


TIMOTHY C. SIMMONS, MD
Gastroenterology

ADEBAMBO OJURI, MD
Gastroenterology

ROBERT FAN, MD
Gastroenterology

CYRIL ANYADIKE, MD
Gastroenterology

FRED GLETTEN, MD
Gastroenterology

MARIAN ROSENTHAL, MD
Gastroenterology

HOWARD SCHECTER, MD

Gastroenterology

CHRISTHAM WHITE-WINDROSS, NP
Nurse Practitioner

EUNICE IM, NP
Nurse Practitioner

CHIZOMAM ABANOBI, NP
Nurse Practitioner

JESSICA MAZIN, PA
Physician Assistant


Affiliates: Airport Endoscopy, Temecula Valley Day Surgery Center, Conejo Valley Surgery Center,& Southern California Research Institute Medical Group