Dr. Martyak has one office in California where she specializes in Gastroenterology. Learn more.
Dr. Lenna Martyak, who specializes in gastroenterology, diagnoses and treats patients struggling with issues of the gastrointestinal tract, or the digestive system. Dr. Martyak is also trained to understand the effects of diet & nutrition on your general well-being. She may treat conditions such as gastroesophageal reflux disease (GERD), irritable bowel syndrome (IBS) or heartburn, among others.