Dr. Martyak is a board certified internist specializing in gastroenterology. Her areas of interest include luminal diseases of the GI tract. She is a dedicated educator and trains medical students and residents. Dr. Martyak has a passion for community service and spends a good deal of time volunteering with community organizations.

Conditions Dr. Lenna Martyak Treats at Marina del Rey Hospital

Insurance Accepted

  • Aetna
  • Blue Cross of California
  • Blue Shield of California
  • Cigna
  • First Health PPO
  • Great West PPO
  • Pacificare HMO
  • United Healthcare

Languages Spoken

  • English
  • French
  • Spanish

Education & Training

Medical Degree

Georgetown University Medical Center


University of California, Los Angeles


University of California, Los Angeles


University of California, Los Angeles

Publications & Media

  • Anti-ifn-gamma Autoantibodies in Disseminated Nontuberculous Mycobacterial Infections

    November 2005 - Journal of Immunology (baltimore, Md. : 1950)

  • Treatment with Infliximab is Associated with Increased Markers of Bone Formation in Patients with Crohn's Disease

    March 2006 - Journal of Clinical Gastroenterology

  • Lamivudine Prophylaxis is Effective in Reducing Hepatitis B Reactivation and Reactivation-related Mortality in Chemotherapy Patients: a Meta-analysis

    March 2008 - Journal Liver International: Official Journal of the International Association for the Study of the Liver