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Dr. John Marshall, MD

Hematology & Oncology* Age 63
Dr. John Marshall, MD
4.8 (25 Ratings)

Offers telehealth

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Dr. John Marshall, MD is a Hematologist Oncologist in Washington, DC.
Dr. John Marshall, MD
4.8 (25 Ratings)
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Dr. John Marshall, MD

Hematology & Oncology* Age 63
Washington, DC
Accepting new patients
36 years of experience

Offers telehealth

Dr. John Marshall, MD is a Hematologist Oncologist in Washington, DC.

About

Dr. Marshall graduated from University of Louisville School of Medicine. Dr. John Marshall, MD is a Hematologist Oncologist in Washington, DC and has 36 years experience. Dr. Marshall currently practices at MedStar Georgetown University Hospital and are affiliated with MedStar Georgetown University Hospital. Dr. Marshall has experience treating conditions like Nausea, Vomiting Disorders and Cholangiocarcinoma among other conditions at varying frequencies. At present, Dr. Marshall received an average rating of 4.8/5 from patients and has been reviewed 25 times. Dr. Marshall's office accepts new patients and telehealth appointments. Dr. Marshall is board certified in Medical Oncology and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Friendly Staff

Patients said the staff was friendly.

Easy Scheduling

Patients said scheduling was easy.

Compare with other Hematologist Oncologists

Compare Dr. Marshall with our nearby Hematologist Oncologists at Cleveland Clinic
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These providers are on the medical staff of Cleveland Clinic
These providers are on the medical staff of Cleveland Clinic.
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Experience Check

Enter a condition or procedure
Nausea
Vomiting Disorders
Cholangiocarcinoma
Nausea
Vomiting Disorders
Cholangiocarcinoma
Nausea
  • View other providers who treat Nausea
Vomiting Disorders
Cholangiocarcinoma
Stomach Cancer
Abdominal Pain
Anal and Rectal Cancer
Constipation
Liver Cancer
Upper Digestive Tract Cancer
Acute Leukemia
Acute Myeloid Leukemia
Adrenal Gland Cancer
Anal or Rectal Pain
Anemia
  • View other providers who treat Anemia
Ascites
  • View other providers who treat Ascites
Bone Cancer
Brain Cancer
Breast Cancer
Breast Lump
Colorectal Cancer
Dehydration
Diarrhea
  • View other providers who treat Diarrhea
Dysphagia
Esophageal Cancer
Gas-Bloat Syndrome
Gastroesophageal Reflux Disease (GERD)
Heartburn
Leukocytosis
Lung Cancer
Metastatic Respiratory System Cancer
Neuroendocrine Tumors
Non-Hodgkin's Lymphoma
Pancreatic Cancer
Peritoneal Cancer
Pineal Region Tumors
Retroperitoneum Cancer
Small Intestine Cancer
Soft Tissue Sarcoma
Thyroid Cancer
Unexplained Weight Loss
Uterine Cancer
Vitamin_Deficiency
Flexible Sigmoidoscopy
Manometry
Rigid Proctosigmoidoscopy
Acute Lymphoid Leukemia
Aortic Embolism and Thrombosis
Barrett's Esophagus
Benign Neoplasm of Brain
Bile Duct Obstruction
Biliary Tract Cancer
Bladder Cancer
Bleeding Disorders
Breast Carcinoma
Carcinoid Syndrome
Celiac Disease
Cervical Cancer
Cholangitis
Chronic Lymphocytic Leukemia
Chronic Myelomonocytic Leukemia
Cirrhosis
Coagulation Disorders
Coccygeal Pain
Colon Cancer
Colorectal Polyp
Cutaneous T-Cell Lymphoma
Deep Vein Thrombosis (DVT)
Diaphragmatic and Hiatal Hernia
Diffuse Large B-Cell Lymphoma
Duodenal Cancer
Gallbladder and Biliary Tract Cancer
Gallbladder Cancer
Gallstones
Gastrointestinal Bleeding
Gastrointestinal Malabsorption
Gastroptosis
Gynecologic Cancer
Hemochromatosis
Hemorrhoids
Hodgkin's Disease
Hypercoagulable State
Illeum Cancer
Indigestion
Intestinal Diverticulosis
Intestinal Obstruction
Intestinal Ulcer
Kidney Cancer
Leukocytopenia
Liver Abscess
Lobular Carcinoma
Lymphocytosis
Lymphoma, Large-Cell
Macroglobulinemia (incl. Waldenstrom's )
Male Breast Carcinoma
Malignant Mediastinal Tumor
Malignant Pleura Secondary
Malnutrition
Marginal Zone Lymphoma
Melanoma
  • View other providers who treat Melanoma
Meningiomas
Multiple Endocrine Neoplasia
Multiple Endocrine Neoplasia, Type 2A (MEN 2A)
Mycosis Fungoides
Myelodysplastic Syndromes
Myeloma
  • View other providers who treat Myeloma
Myeloproliferative Disorders
Neoplasm of Gastrointestinal Tract
Neutropenia
Nodular Lymphoma
Nodular Sclerosis Hodgkins Lymphoma
Non-Alcoholic Fatty Liver Disease
Osteosarcoma
Ovarian Cancer
Pancytopenia
Peripheral T-Cell Lymphoma
Pheochromocytoma
Pituitary Gland Cancer
Pituitary Tumor
Pleura Cancer
Pleural Cancer
Polycythemia Rubra Vera
Primary Hypercoagulable State
Prolymphocytic Leukemia
Prostate Cancer
Rectal Ulcer
Secondary Malignancies
Skin Cancer
Splenomegaly
Squamous Cell Carcinoma of Skin
Stomach and Small Intestine Cancer
T-Cell Prolymphocytic Leukemia
Thrombocytosis
Venous Embolism and Thrombosis
Liver Biopsy
Thoracentesis

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Choice Care PPO
  • Cigna PPO
  • Aetna
    Choice Plus POS II
  • First Health (Coventry Health Care) PPO
  • Blue Card PPO
  • National (BlueCard) PPO
  • Curative EPO
    Curative PPO Plus
    Curative PPO
  • HealthyBlue 2.0
    HealthyBlue Advantage
  • MultiPlan PPO

Locations

  1. 1 MedStar Georgetown University Hospital
    3800 Reservoir Rd NW, Washington, DC 20007
    Icon Directions Right Arrow Directions Phone Icon (202) 444-2000
    Monday
    07:30 - 18:00
    Tuesday
    07:30 - 18:00
    Wednesday
    07:30 - 18:00
    Thursday
    07:30 - 18:00
    Friday
    07:30 - 18:00

Patient Satisfaction

Likelihood to recommend Dr. Marshall
4.8
Based on 25 Reviews
5 Stars (24)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (1)

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Patient Reviews
Aug 29, 2024
I love when Dr Marshall asked me if I had one wish- what would it be it immediately cut to my priority to address. He's a national treasure!!
— Aug 29, 2024
See more reviews on Healthgrades
Photo: Dr. John Marshall, MD
How would you rate your experience with Dr. John Marshall, MD?
  • Likelihood of recommending Dr. Marshall to family and friends

Dr. Marshall's Office & Staff

  • Ease of scheduling urgent appointments
  • Office environment, cleanliness, comfort, etc.
  • Staff friendliness and courteousness
  • Total wait time (waiting & exam rooms)

Experience with Dr. Marshall

  • Level of trust in provider's decisions
  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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Telehealth Options
This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Marshall?
Call now to make an appointment
(202) 444-2000

About Me

Specialties*
Hematology & Oncology
Gastroenterology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Education

Medical Education
  • University of Louisville School of Medicine
    1988
Medical Education

Board Certifications

Board Certifications
  • Medical Oncology
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

Fellowship

Fellowship Hospital
  • Medstar-Georgetown University Medical Center
Fellowship Hospital
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Marshall communicate via email?
No users said yes.
Yes
(0)
No
(1)
Does Dr. Marshall offer telehealth services or virtual visits?
1 user said yes.
Yes
(1)
No
(0)
Does Dr. Marshall offer an online patient portal?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Marshall have free onsite parking?
No users said yes.
Yes
(0)
No
(1)
Does Dr. Marshall offer weekend visits?
No users said yes.
Yes
(0)
No
(1)
Does Dr. Marshall offer evening visits?
No users said yes.
Yes
(0)
No
(1)
Does Dr. Marshall specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Marshall specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Marshall specialize in couples therapy?
No responses yet.
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(0)
No
(0)
Does Dr. Marshall specialize in working with LGBTQ+ community?
No responses yet.
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(0)
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(0)
Does Dr. Marshall accept insurance?
No responses yet.
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(0)
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(0)

Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. John Marshall, MD. To arrange an appointment, call the number on Dr. Marshall's profile.

Dr. Marshall frequently treats the following conditions: Nausea, Vomiting Disorders and Cholangiocarcinoma. See more on Sharecare.

Dr. John Marshall, MD is affiliated with MedStar Georgetown University Hospital.

Yes, Dr. John Marshall, MD holds board certification in Medical Oncology.

Hospital Affiliations

  • MedStar Georgetown University Hospital

    3800 Reservoir Rd NW, Washington, DC