Monica El-Masry

Clinical Assistant Professor of Medicine (Practitioner)

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Monica El-Masry, MD is assistant clinical professor at Norris Comprehensive Cancer Center at Keck Medicine of USC. She is triple board certified in internal medicine, medical oncology and hematology. She is a general hematologist and oncologist and treats patients with all cancer types and hematologic conditions. She has a particular interest in benign and malignant hematology, breast cancer, head and neck cancer, and cancer prevention.

Dr. El-Masry is an avid proponent of integrative oncology. She incorporates psychosocial support, nutrition counseling and lifestyle modifications, such as exercise and healthy eating habits, into her patient’s treatment plans. She regularly combines these therapies with conventional treatments to provide a personalized and holistic approach to cancer care.

Her research interests include cancer prevention and clinical trials assessing potential new treatments. A passionate educator, Dr. El-Masry has been recognized for her teaching excellence, and she routinely volunteers in the community as a physician mentor.

Dr. El-Masry grew up in California’s San Fernando Valley. She attended medical school at the David Geffen School of Medicine at UCLA. She completed post-graduate medical training at UCLA- Olive View and fellowship training in medical oncology and hematology at the Chao Comprehensive Cancer center at UC Irvine and the Long Beach Veteran’s Affairs Medical center. In her free time, she enjoys going to the beach, hiking, and spending time with family and friends.

Dr. El-Masry’s Philosophy of Care

“I treat every patient as my own family member and am considerate of each patient’s cultural, religious, and personal values and needs. My goal is to provide a personalized and holistic approach to cancer care and provide comfort and hope for every patient and their family. We are a team and we will work together to find the most advanced and innovative treatment which is right for you.”


  • David Geffen School of Medicine at UCLA: UCLA Hematology/Oncology Fellowship Teacher of the Year, 2020-2021
  • Pasadena : Pasadena Top Doctors, 2014-2014
  • Pasadena: Pasadena Top Doctors, 2013-2013
  • Patient’s Choice Award: America’s Most Compassionate Doctors, 2012-2012
  • Kaiser Permanente Foundation: Honorable Recognition for Advancing Culturally Competent Care, 2007-2007
  • UCLA: Phi Beta Kappa, 2005-2005
  • UCLA: Distinguished Chancellor’s Service Award, 2005-2005


  • Acute hypoxic respiratory failure due to Lenalidomide-induced interstitial pneumonitis in a patient with multiple myeloma BMC Pulm Med. 2024 Jul 04; 24(1):321. . View in PubMed
  • Numerous gastric nodules in a leukaemia patient Gut. 2024 Jan 05; 73(2):281-337. . View in PubMed
  • Secondary B-cell acute lymphoblastic leukaemia in a patient with multiple myeloma BMJ Case Rep. 2022 Jun 22; 15(6). . View in PubMed
  • Mimic of malignancy: delineating IgG4-related disease and lymphoma BMJ Case Rep. 2021 Mar 03; 14(3). . View in PubMed
  • Reassessing the role of chemoimmunotherapy in chronic lymphocytic leukemia Expert Rev Hematol. 2020 01; 13(1):31-38. . View in PubMed
  • Phase II study of pazopanib in combination with paclitaxel in patients with metastatic melanoma Cancer Chemother Pharmacol. 2018 08; 82(2):353-360. . View in PubMed
  • Secondary hemophagocytic lymphohistiocytosis in the setting of metastatic renal cell carcinoma: a case report J Med Case Rep. 2017 Mar 02; 11(1):56. . View in PubMed
  • Circumscribed palmar hypokeratosis Int J Dermatol. 2012 Apr; 51(4):486-8. . View in PubMed
  • Recurrence of non-viral liver disease after orthotopic liver transplantation Liver Int. 2011 Mar; 31(3):291-302. . View in PubMed
  • Cecal varices presenting as anemia: case report and review of the literature Case Rep Gastroenterol. 2010 Dec 04; 4(3):524-7. . View in PubMed
  • Early cholecystectomy for mild to moderate gallstone pancreatitis shortens hospital stay J Am Coll Surg. 2007 Dec; 205(6):762-6. . View in PubMed
  • Cholangitis: analysis of admission prognostic indicators and outcomes Am Surg. 2007 Oct; 73(10):949-54. . View in PubMed
  • Gallstone pancreatitis: a benign disease in Hispanics Am Surg. 2007 Oct; 73(10):1071-4. . View in PubMed