Jason Zell DO MPH

Gastrointestinal Cancer

Professor, Dept of Medicine, University of California, Irvine School of Medicine

Division of Hematology/Oncology, UC Irvine Med Center101 The City Dr SouthOrange, CA 92868
Phone+1 714-456-5153
Fax+1 714-456-2242

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Summary

Dr. Jason Zell is an oncologist in Orange, CA and is affiliated with UCI Medical Center. He received his medical degree from Nova Southeastern University - College of Osteopathic Medicine and has been in practice 16 years. He specializes in gastrointestinal cancer and hematologic oncology and is experienced in hematologic oncology, clinical research, gastrointestinal oncology, and clinical trials.

Education & Training

University of California (Irvine)Fellowship, Hematology and Medical Oncology, 2003 - 2007
University of California (Irvine)Residency, Internal Medicine, 2001 - 2003
Nova Southeastern University College of Osteopathic MedicineClass of 2001

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Certifications & Licensure

CA State License 2002 - 2026
American Board of Internal Medicine Medical Oncology

Awards, Honors, & Recognition

Physician of Excellence Orange County Medical Association, 2014-2023
Super Doctors, Rising Star - Los Angeles www.superdoctors.com
Cancer Clinical Investigator Team Leadership Award National Institutes of Health, National Cancer Institute

Clinical Trials

Erlotinib Hydrochloride in Treating Patients With Pancreatic Cancer That Can Be Removed by Surgery
TERMINATED
PHASE2
Trial of Aspirin and Arginine Restriction in Colorectal Cancer Start of enrollment: 2008 Sep 24
COMPLETED
PHASE2
Erlotinib Hydrochloride in Treating Patients With Stage I-III Colorectal Cancer or Adenoma
COMPLETED
PHASE2

Publications & Presentations

PubMed

Potential Impact of the Medicare Prescription Payment Plan for Medicare Part D Beneficiaries With a Cancer Diagnosis.
Aryana Sepassi, Scott D Ramsey, A Mark Fendrick, Nico Gabriel, Jason A Zell
Journal of Clinical Oncology. 2026-03-01
The evolving role of ctDNA in colorectal cancer: guidance of adjuvant therapy or surveillance strategies?
Laura G Barrett, Alexandra Gangi, Andrew Hendifar, Arsen Osipov, Katelyn Atkins
Translational Gastroenterology and Hepatology. 2026-01-01
1 citations
Estimated True Out-of-Pocket Cost Changes From the Inflation Reduction Act on Medicare Part D Beneficiaries With Cancer.
Aryana Sepassi, Nico Gabriel, Sean D Sullivan, A Mark Fendrick, Jason A Zell
Value in Health. 2025-10-01

Books/Book Chapters

Textbook of Gastrointestinal Oncology
Chapter: Chapter 29: Gastrointestinal Cancer Prevention: Diet, Lifestyle, and Therapeutic Prevention.
Page 509 - 532Tran, PN, and Zell, JAEditors: Yalcin, S, and Philip, P.Springer Nature, GenevaEdition 1st,2019
Chapter 27, Abeloff's Clinical Oncology, 4th ed.
Chapter: Chapter 27: Cancer Prevention, Screening, and Early Detection.
Zell, JA, and Meyskens, FLChurchill Livingstone, An Imprint of Elsevier2008
Encyclopedia of Cancer, Second Edition
Chapter: Arginine and Cancer
Zell, JASpringer-Verlag2008

Press Mentions

Decades-Long Standard of Care in Head and Neck Cancer Set to Change?June 3rd, 2025
Beating Cancer – One Patient at a TimeFebruary 23rd, 2020
University of California (Irvine) Hematology Oncology FellowshipMay 5th, 2017

Grant Support

Advancing novel cancer preventive and therapeutic strategies across the modern NCI clinical trial networksUNIVERSITY OF CALIFORNIA-IRVINE2024–2029
Risk Reduction Through Polyamine Inhibition Among Colorectal Carcinoma PatientsNational Cancer Institute2009–2011
Phase IIA Clinical Biomarker Trial Of Aspirin And Arginine Restriction In ColonNational Center For Research Resources2010

Committees

Chair, The Hope Foundation/Dr. Charles Coltman Fellowship Award Committee 2013 - Present
Section Editor, Gastrointestinal Oncology, Editorial Board, Journal of Adolescent and Young Adult Oncology 2010 - Present
Associate Editor, Editorial Board, Journal of Carcinogenesis 2010 - 2013