Back to Index
Adrian E. Ortega, MD
Clinical Professor of Surgery (Clinician Educator)
GNH 10900 Off Campus Los Angeles
+1 323 226 7792


Dr. Ortega graduated from the Harvard Medical School in Boston, MA and completed his surgical training here at the University of Southern California. After a time in private practice, he went on to complete his training in colorectal surgery at USC, then joined the faculty. Dr. Ortega works primarily out of the LAC+USC Medical Center, serving as a mentor, teacher, and supervisor of fellows, residents, and medical students in training.

Dr. Ortega's major areas of research interests include Diverticular disease, Anorectal Conditions, and Colon and Rectal Cancer.


Treatment-Based Three-Dimensional Classification and Management of Anorectal Infections. World J Surg. 2016 Oct 20. View in: PubMed

Factors Associated with a Short (<2 Days) or Long (>10 Days) Length of Stay after Colectomy: A Multivariate Analysis of over 400 Patients. Am Surg. 2016 Oct; 82(10):960-963. View in: PubMed

Operative management of diverticulitis in a tertiary care center. Am J Surg. 2016 Aug 3. View in: PubMed

Requiem on the Deep Postanal Space and Supralevator Abscesses. Dis Colon Rectum. 2016 Jul; 59(7):e409. View in: PubMed

The Author Replies. Dis Colon Rectum. 2016 May; 59(5):e42. View in: PubMed

Elective versus emergency surgery for ulcerative colitis: a National Surgical Quality Improvement Program analysis. Am J Surg. 2013 Mar; 205(3):333-7; discussion 337-8. View in: PubMed

Recurrent drug-induced ANCA vasculitis in a patient with Crohn's colitis treated with infliximab: a potential contraindication to immunosuppressive therapy. Am Surg. 2012 Dec; 78(12):1406-8. View in: PubMed

Laparoscopic versus Open Colon Resections in California: A Cross-Sectional Analysis. Am Surg. 2012 Oct; 78(10):1063-5. View in: PubMed

Current controversies in the management of colon cancer. Curr Probl Surg. 2012 Jul; 49(7):398-460. View in: PubMed

Perineal injuries at a large urban trauma center: injury patterns and outcomes. Am Surg. 2009 Apr; 75(4):317-20. View in: PubMed

The prevalence of colorectal neoplasia in patients with end-stage renal disease: a case-control study. Int J Colorectal Dis. 2008 Jan; 23(1):47-51. View in: PubMed

Assessing the teaching of procedural skills: can cognitive task analysis add to our traditional teaching methods? Am J Surg. Assessing the teaching of procedural skills: can cognitive task analysis add to our traditional teaching methods? Am J Surg. 2008 Jan; 195(1):20-3. View in: PubMed

Pseudoaneurysm of the inferior gluteal artery: an unusual complication after abdominoperineal resection for rectal cancer. Report of a case. Dis Colon Rectum. 2007 Jan; 50(1):115-7. View in: PubMed

Intraoperative physical diagnosis in the management of anal fistula. Am Surg. 2006 Jan; 72(1):11-5. View in: PubMed

Internet use by colorectal surgery patients: a surgeon's tool for education and marketing. Am Surg. 2004 Jun; 70(6):553-8. View in: PubMed

Sequential compression devices as prophylaxis for venous thromboembolism in high-risk colorectal surgery patients: reconsidering American Society of Colorectal Surgeons parameters. Am Surg. 2003 Nov; 69(11):941-5. View in: PubMed

Use of high-dose-rate brachytherapy in the management of locally recurrent rectal cancer. Dis Colon Rectum. 2003 Jul; 46(7):895-9. View in: PubMed

Anorectal anatomy. Surg Clin North Am. 2002 Dec; 82(6):1125-38, v. View in: PubMed

Powered bySC CTSI