4.5
41 Ratings with 23 written Reviews
Summary
Dr. John Marshall is a gastroenterologist with additional specialization in hematology and oncology who earned his medical degree from the University of Louisville School of Medicine. He completed his residency training at Georgetown University Hospital, building a foundation that has supported nearly four decades of medical practice. With 38 years of experience treating complex digestive and cancer-related conditions, Dr. Marshall brings extensive expertise to patient care. He is fluent in English.
Dr. Marshall practices at MedStar Georgetown University Hospital in Washington, DC, where he focuses on treating patients with colorectal cancers, including advanced and recurrent cases. His clinical work includes performing specialized diagnostic procedures such as CT scans and CT enterography to help evaluate digestive tract conditions. Patients have given him an average rating of 4.5 out of 5, reflecting their confidence in his comprehensive approach to complex medical conditions.
Dr. Marshall practices at MedStar Georgetown University Hospital in Washington, DC, where he focuses on treating patients with colorectal cancers, including advanced and recurrent cases. His clinical work includes performing specialized diagnostic procedures such as CT scans and CT enterography to help evaluate digestive tract conditions. Patients have given him an average rating of 4.5 out of 5, reflecting their confidence in his comprehensive approach to complex medical conditions.
AI-generated from data on this provider profile.
Quick Facts
- accepting new patients
- 38 years of experience
- 23 insurance plans accepted
- speaks English
- Georgetown University Hospital
- 23 written reviews
- 1 award
- 3 specialties
- 16 areas of expertise
- 1 board certification
- 1 hospital affiliation
- 1 office location
- Male
Awards
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Office Location
MedStar Georgetown University Hospital
3800 Reservoir Rd NwWashington, DC 20007 Tel: (202) 444-2000
Mon12:01 am - 11:59 pm
Tue12:01 am - 11:59 pm
Wed12:01 am - 11:59 pm
Thu12:01 am - 11:59 pm
Fri12:01 am - 11:59 pm
Sat12:01 am - 11:59 pm
Sun12:01 am - 11:59 pm
Compare with Similar Doctors
 |  |  | |
| Dr. John L. Marshall, MD | Ji Soo Choi, APRN | Dr. Andre Chenglung Liem, MD | Dr. Edward Leroy Lee, MD |
| Gastroenterology | Gastroenterology | Physical Medicine & Rehabilitation | Pathology |
| Accepts New Patients | Accepts New Patients | ||
| 38 Years of Experience | 13 Years of Experience | 59 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English | ||
| Washington , DC | SACRAMENTO , CA | Fort Belvoir , VA | Washington , DC |
| Med School: University of Louisville School of Medicine | Med School: New York University | Med School: Uniformed Services Univ Of The Health Sciences F E Hebert Schl Of Medicine | Med School: HOWARD UNIVERSITY COLLEGE OF MEDICINE |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John L. Marshall
Medical Specialties
Dr. John L. Marshall has the following 3 specialties
Specialty Expertise
Dr. John L. Marshall has the following 16 areas of expertise
Certifications, License, & Education
38 Years Experience
MEDICAL LICENSE
Medical Doctor, District Of Columbia, 2027, Active
EDUCATION & TRAINING
Residency
Georgetown University Hospital
Medical School
University of Louisville School of MedicineGraduated in 1988
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Frequently Asked Questions
- How can I make an appointment with Dr. John Marshall?
- You can find contact information for Dr. John Marshall here on Vitals.
- Is Dr. John Marshall accepting new patients?
- Dr. John Marshall is accepting new patients on Vitals. View Dr. John Marshall's profile on Vitals to make an appointment.
- What languages does Dr. John Marshall speak?
- Dr. John Marshall speaks English.
- Does Dr. John Marshall accept my insurance?
- You can see the insurance plans that Dr. John Marshall accepts on their Vitals profile.
- Which hospitals is Dr. John Marshall affiliated with?
- Dr. John Marshall is affiliated with Medstar Georgetown University Hospital.
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