Dr. John Marshall, MD

Dr. John Marshall, MD

Oncology  |  
Male  |  
Age 56
(6)
Insurances AcceptedSave
Dr. John Marshall, MD is an oncology doctor who practices in Olney, MD. He is 56 years old and has been practicing for 27 years.

18109 Prince Philip Dr Ste B100

Olney, MD 20832

Contact Information

(301) 774-8962

Insurance Accepted

  • Aetna
  • Anthem Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • Humana
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Marshall

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

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See how frequently Dr. Marshall performs your care needs compared to other doctors.

Colorectal Cancer
very high
more than 99% of peers
Pancreatic Cancer
very high
more than 96% of peers
Cholangiocarcinoma
very high
more than 95% of peers

Dr. Marshall's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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2

Specialties

  • Oncology
  • Medical Oncology
1

Board Certifications

  • Medical Oncology
    Accredited by: American Board of Internal Medicine*
53

Conditions Treated

  • Adrenal Gland Cancer
  • All Lymphoma
  • Anal Disorders
  • Anal and Rectal Cancer
  • Anemia
  • Autoimmune Diseases
  • Bladder Cancer
  • Bleeding Disorders
  • Blood Disorders
  • Bone Cancer
  • Bone Disorders
  • Brain Disorders
  • Breast Cancer
  • Breast Diseases
  • Cancer
  • Cholangiocarcinoma
  • Colorectal Cancer
  • Esophageal Cancer
  • Esophageal Diseases
  • Gallbladder Cancer
  • Gallbladder and Biliary Tract Cancer
  • Gastrointestinal Diseases
  • Gynecologic Cancer
  • Head and Neck Cancer
  • Hypercoagulable State
  • Kidney Cancer
  • Liver Cancer
  • Lung Cancer
  • Lymphoma, Large-Cell
  • Marginal Zone Lymphoma
  • Mediastinal Tumors, Malignant
  • Meningiomas
  • Multiple Myeloma
  • Neuroendocrine Tumors
  • Neutropenia
  • Nodular Lymphoma
  • Non-Hodgkin's Lymphoma
  • Pancreatic Cancer
  • Pleural Cancer
  • Primary Hypercoagulable State (incl. Factor V Leiden Disease)
  • Prostate Cancer
  • Pulmonary Disease
  • Secondary Malignancies
  • Skin Cancer
  • Small Intestine Cancer
  • Soft Tissue Sarcoma
  • Squamous Cell Carcinoma
  • Stomach Cancer
  • Stomach Diseases
  • Stomach and Small Intestine Cancer
  • Urinary Disorders
  • Uterine Diseases
  • Vascular Disease

More

Read More
1

Procedures

  • Thoracentesis

Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for Maryland.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • Univ Of Louisville Sch Of Med
    Medical School | Graduated 1988
  • Medstar-Georgetown University Medical Center
    Residency Hospital | Completed 1991
  • Medstar-Georgetown University Medical Center
    Fellowship Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Marshall has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Marshall does not have any memberships or affiliations listed. If you are Dr. Marshall and would like to add memberships or affiliations, please update your profile.

Dr. Marshall's Reviews

Likelihood of recommending Dr. Marshall to family and friends
4.3
based on 6 total reviews (1 with a comment)

Likelihood to Recommend (6)

  • 5
    (5)
  • 4
    (0)
  • 3
    (0)
  • 2
    (0)
  • 1
    (1)

Dr. Marshall's Performance

Trustworthiness
EXCELLENT
Explains condition(s) well
EXCELLENT
Answers Questions
EXCELLENT
Time well spent
EXCELLENT

Office & Staff Performance

Scheduling
EXCELLENT
Office environment
VERY GOOD
Staff friendliness
EXCELLENT
Average wait time
16 to 30 minutes

Patient Comments (1)

|
NOT TRUSTWORTHY. He is a marketing agent for Medstar/Georgetown's Lombardi Cancer center & the chemo producing pharmaceuticals. He sweet talks you in during the 1st visit & later he uses the patients to train his fellows & residents. He gets you started with the fellows & residents, then he will...more
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Visit Dr. Marshall

Now Accepting New Patients
Dr. Marshall accepts 7 insurance carriers
  • Aetna
    Aetna HMO
    Choice Plus POS II
    Select
  • Anthem Blue Cross Blue Shield
    KeyCare PPO
  • CareFirst Blue Cross Blue Shield
    Blue Choice Advantage
    Blue Preferred PPO
    CareFirst Maryland POS
  • Cigna
    Cigna HMO
    Cigna PPO
    Open Access Plus
  • First Health (Coventry Health Care)
    First Health (Coventry Health Care) PPO
  • Humana
    Choice Care PPO
  • MultiPlan
    MultiPlan PPO
    PHCS Network PPO

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Marshall has admitting privileges

Medstar Georgetown University Hospital
3800 Reservoir Rd NW
Washington, DC 20007
View Hospital Profile
Medstar Montgomery Medical Center
18101 Prince Philip Dr
Olney, MD 20832
View Hospital Profile

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