4.5
41 Ratings with 23 written Reviews
Summary
Dr. John Marshall brings extensive expertise in gastroenterology, hematology, and oncology to his practice at MedStar Georgetown University Hospital. A graduate of the University of Louisville School of Medicine, he completed his residency at Georgetown University Hospital, where he has built a distinguished career spanning 38 years. His comprehensive training in these interconnected specialties allows him to provide integrated care for patients with complex digestive and cancer-related conditions. Dr. Marshall communicates with patients in English.
Based at MedStar Georgetown University Hospital in Washington, DC, Dr. Marshall specializes in treating colorectal cancer, including advanced metastatic cases. He performs detailed imaging studies such as CT scans and CT enterography to help diagnose and monitor various conditions. Patients consistently rate his care highly, giving him an average rating of 4.5 out of 5 stars.
Based at MedStar Georgetown University Hospital in Washington, DC, Dr. Marshall specializes in treating colorectal cancer, including advanced metastatic cases. He performs detailed imaging studies such as CT scans and CT enterography to help diagnose and monitor various conditions. Patients consistently rate his care highly, giving him an average rating of 4.5 out of 5 stars.
Overview based on verified provider data
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. Ukeme Aniekut Ukoh, MD | Dr. Robert Judson Cates, MD |
| Gastroenterology | Gastroenterology | Pediatrics | Emergency Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 38 Years of Experience | 18 Years of Experience | 55 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 | Washington , DC | Falls Church , VA |
| Med School: University of Louisville School of Medicine | Med School: New York University | Med School: Morehouse School Of Medicine | Med School: Indiana University School 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
- 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.
- Where is Dr. John Marshall's office located?
- Dr. John Marshall's office is located at 3800 Reservoir Rd Nw, Washington, DC, 20007.
- Does Dr. John Marshall accept virtual/telehealth appointments?
- Dr. John Marshall has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Dr. John Marshall accept my insurance?
- You can see the insurance plans that Dr. John Marshall accepts on their Vitals profile.
- What languages does Dr. John Marshall speak?
- Dr. John Marshall speaks English.
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