Leading the way in the field
of Gastroenterology in Los Angeles

Our team of experts provide comprehensive and compassionate digestive diagnostic and therapeutic services to the Santa Monica and Greater Los Angeles area using the latest minimally invasive techniques and innovative treatments for digestive problems. We understand you have a choice. You can rely on us to deliver the care you deserve.

Meet Our Doctors
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Contact Us

844-943-1063

7 DAYS A WEEK
7AM-7PM

Treatments

We’re committed to providing individualized, compassionate treatment for every patient.

Colonoscopy

A colonoscopy is an exam that your doctor uses to look inside your large intestines. Using a flexible tube with a small camera at the…

Endoscopic Retrograde Choangiopancreatography (ERCP)

Endoscopic Retrograde Choangiopancreatography (ERCP) is a procedure used to diagnose and treat problems that may involve the liver, gall bladder, bile ducts and/or pancreas.

Endoscopic Ultrasound

Endoscopic ultrasound (EUS) is a minimally invasive procedure used to find the cause of symptoms such as abdominal or chest pain, to assess digestive diseases…

Esophageal and Anorectal Manometry Testing

Manometry testing is a procedure that measures the force and coordination of smooth muscles within the body.

Conditions

We provide world renowned expert care for the diagnosis and treatment of digestive health conditions and diseases.

Acid Reflux and
Indigestion / Heartburn (GERD)

Acid reflux is a common medical condition that can range from mild severity to serious. Gastroesophageal reflux disease (GERD) is the chronic more severe form…

Belching, Bloating, Flatulence/Gas

Belching (burping), bloating and flatulence (gas) are common and natural and can occur in normal healthy state to some degree. However if these symptoms become…

Colon Cancer and Screening

Colon cancer is the third leading cause of cancer death in the United States.

Constipation and Defecation Problems

Occasional constipation is very common; however, some people may have chronic constipation that can interfere with their daily lives.

Diarrheal Illnesses (Acute and Chronic)

A diarrheal illness is defined as having more than three loose liquid and watery stools per day.

Lenna Martyak, M.D

Our Physicians

1301 20th St., Suite 280,
Santa Monica, CA 90404

James Sul

Our Physicians

1301 20th St., Suite 280,
Santa Monica, CA 90404

Shahedi

Our Physicians

1301 20th St., Suite 280,
Santa Monica, CA 90404

Rudolph Bedford

Our Physicians

1301 20th St., Suite 280,
Santa Monica, CA 90404

Rahul Dixit

Our Physicians

1301 20th St., Suite 280,
Santa Monica, CA 90404

Claudia Sanmiguel

Our Physicians

1301 20th St., Suite 280,
Santa Monica, CA 90404

Child at the pediatrician's office

Patient Stories

“To know that Providence Saint John’s is there and that they are taking every precaution to keep us well makes me feel very secure.”