A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Learn more about Dr. John Marshall:
View the full profile to get information on:
- What's important to you
View full profile
The overall average patient rating of Dr. John Marshall is Good.
|Ease of Appointment||
|Spends Time with Me||
|Follows Up After Visit||
Prepare before visiting Dr. Marshall
Skin Cancer Patient Education Read about Melanoma, basal cell and squamous cell carcinoma types in our skin cancer patient education guide.Before Visiting Dr. Marshall Learn More
Specialties & Research
Dr. John Marshall, MD is board certified in Medical Oncology.
- He has special expertise in 6 areas:
- Biological Therapy (Immunotherapy)
- Clinical Research
- Gastrointestinal Cancer
- Hepatocellular Carcinoma
Education & Awards
Dr. Marshall graduated from University of Louisville . He has 2 awards.
Dr. Marshall has 2 hospital affiliations:
- Georgetown University Hospital
- Georgetown Univ.
Similar doctors nearby
- Additional Information
- Dr. John Lindsay Marshall MD is a male Oncologist , has 24 years of experience and practices in Medical Oncology.
- Where does Dr. John L. Marshall practice?
- Dr. John Marshall has 1 office location.
Dr. John Marshall practices Medical Oncology near Washington, DC.
See Washington Oncologists.