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John Marshall, MD, Oncology, Washington, DC, MedStar Georgetown University Hospital

JohnLindsayMarshallMDcoAuthor, Off Our Chests

Oncology • Washington, DC

Gastrointestinal Cancer, Hematologic Oncology

CHIEF, DIVISION OF HEMATOLOGY/ONCOLOGY, MEDSTAR GEORGETOWN UNIVERSITY HOSPITAL; Chief, Division of Hematology/Oncology, Georgetown University Hospital; Associate Director, Clinical Research, Lombardi Comprehensive Cancer Center, Lombardi Comprehensive Cancer Center (LCCC), Georgetown University Hospital

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Overview of Dr. Marshall

Dr. Marshall received his training at Duke University, the University of Louisville, and Georgetown University. Dr. Marshall is an internationally recognized expert in new drug development for GI cancer, with expertise in phase I, II, and III trial design, and has served as Principal Investigator for more than one hundred clinical trials throughout his career. While he has an interest in many areas of cancer research, his primary focus is on the use of precision medicine in treating cancer. Dr. Marshall has become an outspoken advocate for GI cancer patients and the importance of clinical research participation. In 2009, he established the Otto J Ruesch Center for the Cure of GI Cancers, an organization solely focused on improving the lives of GI cancer patients through innovative research, personalized medicine, and focused advocacy. In 2015, Dr. Marshall both established and directed the Precision Oncology Alliance, a national alliance established to study the impact of molecular profiling on cancer research, value and outcomes. He currently is serving as the Oncology CMO for Indivumed, creating a global precision medicine research network.

Education & Training

  • Georgetown University Hospital
    Georgetown University HospitalFellowship, Medical Oncology, 1991 - 1993
  • MedStar Health/Georgetown-Washington Hospital Center
    MedStar Health/Georgetown-Washington Hospital CenterFellowship, Hematology and Medical Oncology, 1993
  • University of Louisville School of Medicine
    University of Louisville School of MedicineClass of 1988

Certifications & Licensure

  • MD State Medical License
    MD State Medical License 1995 - 2025
  • VA State Medical License
    VA State Medical License 1989 - 2024
  • DC State Medical License
    DC State Medical License 1992 - 2024
  • American Board of Internal Medicine Medical Oncology

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification ARIA Medical Oncology EMR, Varian Medical Systems, 2013
  • Super Doctor SuperDoctors.com

Clinical Trials

Publications & Presentations

PubMed

Journal Articles

  • Five-Fraction Stereotactic Body Radiation Therapy (SBRT) and Chemotherapy for the Local Management of Metastatic Pancreatic Cancer  
    John Marshall, Sean Collins, Keith Unger, Aidan Burke, Marie Gurka, Michael Pishvaian, Journal of Gastrointestinal Cancer

Press Mentions

  • Colorectal Cancer in Young People
    Colorectal Cancer in Young PeopleMarch 21st, 2023
  • The New Law That Could Stealthily Transform Biomedical Innovation
    The New Law That Could Stealthily Transform Biomedical InnovationOctober 6th, 2022
  • CytoDyn Announces FDA Clearance to Proceed with Phase 2 Study of Leronlimab (PRO 140) and Regorafenib as a Combination Therapy for Metastatic Colorectal Cancer
    CytoDyn Announces FDA Clearance to Proceed with Phase 2 Study of Leronlimab (PRO 140) and Regorafenib as a Combination Therapy for Metastatic Colorectal CancerSeptember 9th, 2019
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Hospital Affiliations

Insurance Accepted

  • Aetna Choice POS II
    Aetna HMO
    Anthem Blue Access PPO
    Anthem Blue Preferred HMO
    Anthem Blue Preferred Plus POS
    Anthem KeyCare PPO
    BCBS Blue Card PPO
    BCBS Illinois PPO
    CareFirst BCBS Maryland POS
    CareFirst BlueChoice Advantage
    CareFirst BlueChoice Network POS
    CareFirst BluePreferred PPO
    CIGNA HMO
    CIGNA Open Access
    CIGNA PPO
    First Health PPO
    Great West PPO
    Humana ChoiceCare Network PPO
    Multiplan PHCS PPO
    Multiplan PPO
    United Healthcare - Direct Choice Plus POS
    United Healthcare - Direct Options PPO
    WEA Trust Preferred Provider Plan - Trust Pref
  • Please verify your coverage with the provider's office directly when scheduling an appointment

Dr. John Marshall, Dr. John Marshall, MD, Dr. J Marshall, Dr. John Lindsay Marshall