Dr. Barnajian is a board-certified colorectal and general surgeon currently affiliated with Marina Del Rey Hospital. He earned his medical degree from Drexel University College of Medicine and completed his residency program at Cedars-Sinai Medical Center. Dr. Barnajian is a member of The Surgery Group of Los Angeles, specializing in minimally invasive and advanced surgical techniques. He is a nationally recognized expert in all aspects of colon and rectal surgery. Dr. Barnajian is a member of the American Society of Colon and Rectal Surgeons and the American College of Surgeons. He is also a member of the European Association of Endoscopic Surgery.

Procedures Dr. Moshe Barnajian Performs at Marina Del Rey Hospital

Insurance Accepted

  • Aetna Choice POS II
  • Blue Cross of California
  • Blue Shield of California
  • Cigna
  • HealthNet
  • First Health PPO
  • LA Care Health Plan
  • Molina Healthcare

Languages Spoken

  • English
  • Farsi
  • Hebrew

Education & Training

Medical Degree

Drexel University College of Medicine

Internship(s)
Residency(ies)

Cedars-Sinai Medical Center

Fellowship(s)

SUNY Stony Brook University Hospital & Medical Center



Memberships & Affiliations

  • American College of Surgeons American College of Surgeons
  • American Society of Colon and Rectal Surgeons American Society of Colon and Rectal Surgeons
  • Publications & Media

    • Laparoscopic right colon resection with intracorporeal anastomosis.

      Chang K, Fakhoury M, Barnajian M, Tarta C, Bergamaschi R

    • Response to Zhuo et al. (2013): experience of a specialist centre in the management of anastomotic sinus following leaks after low rectal or ileal pouch-anal anastomosis with diverting stoma.

      Barnajian, M., Garza, A. M., Beart, R. W.

    • Mucormycosis-induced colon perforation after renal transplantation.

      Barnajian M, Gioia W, Iordache F, Bergamaschi R

    • Emergency department crystalloid resuscitation of 1.5 L or more is associated with increased mortality in elderly and nonelderly trauma patients.

      Ley, E. J., Clond, M. A., Srour, M. K., Barnajian, M., Mirocha, J., Margulies, D. R., Salim, A.

    • Anthrax toxin receptor 2 mediates Bacillus anthracis killing of macrophages following spore challenge.

      Banks, D. J., Barnajian, M., Maldonado-Arocho, F. J., Sanchez, A. M., Bradley, K. A.

    • Quality of total mesorectal excision and depth of circumferential resection margin in rectal cancer: a matched comparison of the first 20 robotic cases.

    • Diabetic patients with traumatic brain injury: insulin deficiency is associated with increased mortality.

      Ley, E. J., Srour, M. K., Clond, M. A., Barnajian, M., Tillou, A., Mirocha, J., Salim, A.