Dr. John Marshall, MD

Dr. John Marshall, MD

Oncology  ·  
Male  ·  
Age 57
(6)
Save
Dr. John Marshall, MD is an oncology specialist in Olney, MD and has been practicing for 28 years. He graduated from University Of Louisville School Of Medicine in 1988 and specializes in oncology and medical oncology.

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
  • Coventry Health Care
  • First Health (Coventry Health Care)
  • Humana
  • MultiPlan

*Please verify this information when scheduling an appointment.

Background Check

Healthgrades does not collect malpractice claims information for Maryland
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
Learn more about background checks

Experience Check

Check Dr. Marshall's experience treating your condition or procedure

Dr. Marshall's Top Procedures and Conditions

Treatment Frequency
Pancreatic Cancer
very high
very high

Treatment Frequency

Dr. Marshall treats Pancreatic Cancer more than 95% of his peers

Dr. Marshall treats this condition more than 95% of his peers

Rating Includes other areas of care:

  • Familial Pancreatic Cancer
  • Pancreatic Islet Cell Cancer
Colorectal Cancer
very high
very high

Treatment Frequency

Dr. Marshall treats Colorectal Cancer more than 93% of his peers

Dr. Marshall treats this condition more than 93% of his peers

Rating Includes other areas of care:

  • Distal Colorectal Cancer
  • Familial Colorectal Cancer
  • Hamartomatous Colorectal Cancer
  • MSI-H Colorectal Cancer
  • MSI-L Colorectal Cancer
  • MSS Colorectal Cancer
  • Nonpolyposis Colorectal Cancer, Familial
  • Rectal Cancer
  • Sporadic Colorectal Cancer
Secondary Malignancies
high
high

Treatment Frequency

Dr. Marshall treats Secondary Malignancies more than 86% of his peers

Dr. Marshall treats this condition more than 86% of his peers

Dr. Marshall's conditions and procedures:

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

About Me

Biography

Dr. John Marshall, MD is an oncology specialist in Olney, MD and has been practicing for 28 years. He graduated from University Of Louisville School Of Medicine in 1988 and specializes in oncology and medical oncology.

Specialties

  • Oncology
  • Medical Oncology

Board Certifications

Education

Medstar-Georgetown University Medical Center
Fellowship Hospital
1991
Medstar-Georgetown University Medical Center
Residency Hospital
1988
University Of Louisville School Of Medicine
Medical School
1991
1988

Awards

Dr. Marshall's Reviews

Likelihood to recommend Dr. Marshall

4.3

Based on 6 reviews

5 Stars
83.33333333333333%
(5)
4 Stars
0%
(0)
3 Stars
0%
(0)
2 Stars
0%
(0)
1 Star
16.666666666666668%
(1)

Leave a review

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Dr. Marshall?
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Average Wait Time
  • 16 – 30 minutes
Dr. Marshall's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. John Marshall, MD
Reply
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...Read More
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Locations

Insurance accepted

Accepted insurance can change. Please double-check when making an appointment.

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
Coventry Health Care
Southern Health PPO
First Health (Coventry Health Care)
First Health (Coventry Health Care) PPO
Humana
Choice Care PPO
MultiPlan
MultiPlan PPO
PHCS Network PPO

Affiliated Hospitals

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